AP2145/AP2155
0.5A SINGLE CHANNEL CURRENT-LIMITED POWER
SWITCH WITH OUTPUT DISCHARGE
AP2145/AP2155
Document number: DS32031 Rev. 2 - 2 1 of 13
www.diodes.com September 2010
© Diodes Incorporated
NEW PRODUCT
Description
The AP2145 and AP2155 are integrated high-side power
switches optimized for Universal Serial Bus (USB) and other
hot-swap applications. The family of devices complies with
USB 2.0 and available with both polarities of Enable input.
They offer current and thermal limiting and short circuit
protection as well as controlled rise time and under-voltage
lockout functionality. A 7ms deglitch capability on the
open-drain Flag output prevents false over-current reporting
and does not require any external components.
All devices are available in SO-8 and MSOP-8EP packages.
Features
• Single USB port power switches
• Over-current and thermal protection
• 0.8A accurate current limiting
• Reverse Current Blocking
• 90m on-resistance
• Input voltage range: 2.7V – 5.5V
• 0.6ms typical rise time
• Very low shutdown current: 1uA (max)
• Fault report (FLG) with blanking time (7ms typ)
• ESD protection: 6KV HBM, 400V MM
• Active high (AP2155) or active low (AP2145) enable
• Ambient temperature range -40ºC to 85°C
• SO-8 and MSOP-8EP (Exposed Pad): Available in
“Green” Molding Compound (No Br, Sb)
• Lead Free Finish/ RoHS Com pliant (Note 1)
• UL Recognized, File Number E322375
• IEC60950-1 CB Scheme Certified
Pin Assignments
SO-
8
1
2
3
4
8
7
6
5
OUT
IN
NC
OUT
EN
NC
GND
FLG
(Top View)
MSOP-8EP
1
2
3
4
8
7
6
5
OUT
IN
NC
OUT
EN
NC
GND
FLG
(Top View)
Applications
• Consumer electronics – LCD TV & Monitor, Game Machines
• Communications – Set-Top-Box, GPS, Smartphone
• Computing – Laptop, Desktop, Servers, Printers, Docking
Station, HUB
Notes: 1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at
http://www.diodes.com/products/lead_free.html.
Typical Application Circuit
0.1uF
IN
GND
EN
OUT
ON
120uF
Powe r Supp ly
2.7V t o 5. 5V
0.1uF
OFF
FLG
Load
10k 10uF
Available Options
Part Number Channel Enable pin (EN) Current limit (typical) Recommended maximum
continuous loa d current
AP2145 1 Active Low 0.8A 0.5A
AP2155 1 Active High 0.8A 0.5A
AP2145/AP2155
0.5A SINGLE CHANNEL CURRENT-LIMITED POWER
SWITCH WITH OUTPUT DISCHARGE
AP2145/AP2155
Document number: DS32031 Rev. 2 - 2 2 of 13
www.diodes.com September 2010
© Diodes Incorporated
NEW PRODUCT
Pin Descriptions
Pin Name Pin Number Descriptions
EN 1 Enable input, active low (AP2145) or active high (AP2155)
FLG 2 Over-current and over-temperature fault report; open-drain flag i s active low when triggered
GND 3 Ground
NC 4, 5 No internal connection
OUT 6, 8 Voltage output pin (all OUT pins mu st be tied together externally)
IN 7 Voltage input pin
Functional Block Diagram
AP2145, AP2155
Thermal
Sense
Driver FLG
OUT
GND
IN
EN
UVLO
Current
Limit
Current
Sense
Deglitch
Absolute Maximum Ratings
Symbol Parameter Ratings Unit
ESD HBM Human Body Model ESD Protection 6 KV
ESD MM Machine Model ESD Protection 400 V
VIN Input Voltage 6.5 V
VOUT Output Voltage VIN + 0.3 V
VEN , VFLG Enable Voltage 6.5 V
Iload Maximum Co ntinuous Load Current Internal Limited A
TJmax Maximum Junction Temperatu r e 150 °C
TST Storage Temperature Range (Note 2) -65 to 150 °C
Notes: 2. UL Recognized Rating from -30°C to 70°C (Diodes qualified TST from -65°C to 150 °C)
AP2145/AP2155
0.5A SINGLE CHANNEL CURRENT-LIMITED POWER
SWITCH WITH OUTPUT DISCHARGE
AP2145/AP2155
Document number: DS32031 Rev. 2 - 2 3 of 13
www.diodes.com September 2010
© Diodes Incorporated
NEW PRODUCT
Recommended Operating Conditions
Symbol Parameter Min Max Unit
VIN Input voltage 2.7 5.5 V
IOUT Output Current 0 500 mA
TA Operating Ambient Temperature -40 85 °C
Electrical Characteristics (TA = 25oC, VIN = +5.0V, unless otherwise stated )
Symbol Parameter Test Conditions Min Typ. Max Unit
VUVLO Input UVLO Rload=1k 1.6 1.9 2.5 V
ISHDN Input Shutdown Current Disabled, OUT = open 0.5 1 μA
IQ Input Quiescent Current Enabled, OUT = open 45 70 μA
ILEAK Input Leakage Current Disabled, OUT grounded -1 1 μA
IREV Reverse Leakage Current Disabled, VIN= 0V, VOUT= 5V, IREV at VIN 1
μA
RDS(ON) Switch on-resistance VIN = 5V, IOUT= 0.5A, -
40oC TA 85oC MSO-8-EP 90 140 m
SO-8 95 140 m
VIN = 3.3V, IOUT= 0.5A, -40oC TA 85oC 120 160 m
ISHORT Short-Circuit Current Limit Enabled into short circuit, CIN=10μF, CL=100μF 0.7 A
ILIMIT Over-Load Current Limit VIN= 5V, VOUT= 4.5V, CIN=10μF, CL=100μF, -
40oC TA 85oC 0.6 0.8 1.0 A
ITrig Current limiting trigger
threshold Output Current Slew rate (<100A/s), CIN=10μF,
CL=22μF 1.0 A
TSHORT Short-Circuit Response Time VOUT = 0V to IOUT = ILIMIT (short applied to output),
CL=100μF 10 μs
VIL EN Input Logic Low Voltage VIN = 2.7V to 5.5V 0.8 V
VIH EN Input Logic High Voltage VIN = 2.7V to 5.5V 2 V
ISINK EN Input leakage VEN = 5V 1 μA
IO-LEAK Output Leakage Current Disabled 1 μA
TD(ON) Output turn-on delay time CL=1μF, Rload=10 0.05 ms
TR Output turn-on rise time CL=1μF, Rload=10 0.6 1.5 ms
TD(OFF) Output turn-off delay time CL=1μF, Rload=10 0.01 ms
TF Output turn-off fall time CL=1μF, Rload=10 0.05 0.1 ms
RFLG FLG output FET on-resistance VIN = 3.3V or 5V, CIN=10μF, IFLG =10mA 20 40
IFLG FLG Leakage Current VFLG = 5V 1 μA
TBlank FLG blanking time VIN = 3.3V or 5V, CIN=10μF, CL=100μF 4 7 15 ms
TSHDN Thermal Shutdown Threshold Enabled, Rload=1k 135
°C
THYS Thermal Shutdown Hysteresis 25 °C
θJA Thermal Resistance Junction-
to-Ambient SO-8 (Note 3) 110 oC/W
MSO-8-EP (Note 4) 60 oC/W
Notes: 3. Test condition for SO-8: Device mounted on FR-4, 2oz copper, with minimum recommended pad layout.
4. Test condition for MSO-8-EP: Device mounted on 2” x 2” FR-4 substrate PC board, 2oz copper, with minimum recommended pad on top layer
and thermal vias to bottom layer ground plane.
AP2145/AP2155
0.5A SINGLE CHANNEL CURRENT-LIMITED POWER
SWITCH WITH OUTPUT DISCHARGE
AP2145/AP2155
Document number: DS32031 Rev. 2 - 2 4 of 13
www.diodes.com September 2010
© Diodes Incorporated
NEW PRODUCT
Typical Performance Characteristics
VEN
90%
VOUT
TD(ON)
10%
TD(OFF)
50% 50%
TR
10%
90%
TF
VEN
90%
VOUT
TD(ON)
10%
TD(OFF)
50% 50%
TR
10%
90%
TF
Figure 1. Voltage Waveforms: AP2145 (left), AP2155 (right)
All Enable Plots are for AP2155 Active High
Turn-On Delay and Rise Time
500us/div
Turn-Off Delay and Fall Time
500us/div
Turn-On Delay and Rise Time
500us/div
Turn-Off Delay and Fall Time
500us/div
Vout
2V/div
Ven
5V/div
CL=1uF
TA=25°C
RL=10
Vout
2V/div
Ven
5V/div
CL=1uF
TA=25°C
RL=10
Vout
2V/div
Ven
5V/div
CL=100uF
TA=25°C
RL=10
Vout
2V/div
Ven
5V/div
CL=100uF
TA=25°C
RL=10
AP2145/AP2155
0.5A SINGLE CHANNEL CURRENT-LIMITED POWER
SWITCH WITH OUTPUT DISCHARGE
AP2145/AP2155
Document number: DS32031 Rev. 2 - 2 5 of 13
www.diodes.com September 2010
© Diodes Incorporated
NEW PRODUCT
Typical Performance Characteristics (Continued)
Short Circuit Current,
Device Enabled Into Short
500us/div
Inrush Current
1ms/div
3 Ω Load Connected to Enabled Device
2ms/div
2 Ω Load Connected to Enabled Device
2ms/div
Short Circuit with Blanking Time and Recovery
50ms/div
Power On
1ms/div
Iout
200mA/div
Ven
5V/div
Iin
200mA/div
VIN=5V
TA=25°C
CL=100uF
Ven
5V/div VIN=5V
TA=25°C
RL=10
CL=470uF
CL=220uF
CL=100uF
Iout
500mA/div
Vflag
2V/div
VIN=5V
TA=25°C
C
L
=100uF
Iout
500mA/div
Vflag
2V/div
VIN=5V
TA=25°C
C
L
=100uF
Iout
1A/div
Vout
5V/div Vflag
5V/div
TA=25°C
CL=100uF
RL=10
VIN=5V
TA=25°C
CL=100uF
Vflag
5V/div Iout
200mA/div
Vin
5V/div
Vout
5V/div
AP2145/AP2155
0.5A SINGLE CHANNEL CURRENT-LIMITED POWER
SWITCH WITH OUTPUT DISCHARGE
AP2145/AP2155
Document number: DS32031 Rev. 2 - 2 6 of 13
www.diodes.com September 2010
© Diodes Incorporated
NEW PRODUCT
Typical Performance Characteristics (Continued)
Power Off
10ms/div
Device Enabled
1ms/div
Device Disabled
1ms/div
UVLO Increasing
1ms/div
UVLO Decreasing
10ms/div
Iout
200mA/div
Vin
2V/div
TA=25°C
CL=100uF
RL=10
Iout
200mA/div
Ven
5V/div
Vin
2V/div
Iout
200mA/div
TA=25°C
CL=100uF
RL=10
TA=25°C
CL=100uF
RL=10
Iout
200mA/div
Vin
5V/div Ven
5V/div
Iout
200mA/div
TA=25°C
CL=100uF
RL=10
TA=25°C
CL=100uF
RL=10
Vout
5V/div
Vflag
5V/div
Vout
5V/div
Vflag
5V/div
Vflag
5V/div
Vout
5V/div
AP2145/AP2155
0.5A SINGLE CHANNEL CURRENT-LIMITED POWER
SWITCH WITH OUTPUT DISCHARGE
AP2145/AP2155
Document number: DS32031 Rev. 2 - 2 7 of 13
www.diodes.com September 2010
© Diodes Incorporated
NEW PRODUCT
Typical Performance Characteristics (Continued)
Turn-On Time vs Input Voltage
0
100
200
300
400
500
600
700
800
1.522.533.544.555.56
Inpu t Voltage (V )
Turn-On Time (us)
Turn- Off Ti m e vs I nput Voltage
28
28
29
29
30
30
31
31
1.5 2 2.5 3 3.5 4 4.5 5 5.5 6
Input Voltage (V )
Turn-Off Time (us)
Rise Ti m e vs I nput Vol t age
0
100
200
300
400
500
600
1.522.533.544.555.56
Inpu t Voltage (V )
Rise Time (us)
Fal l Time vs I nput Vol tage
19
20
21
22
23
24
25
1.5 2 2.5 3 3.5 4 4.5 5 5.5 6
Input Voltage (V )
Fall Time (us)
Suppl y Cur r en t , Output Di sa bl e d vs A m bient T em peratur e
0.00
0.20
0.40
0.60
0.80
1.00
1.20
1.40
1.60
-45 -25 -5 15 35 55 75 95
Ambient Te mperature (°C )
Supply Current, Output Disabled (uA)
Vin=5.0V
Vin=3.3V
Vin=5.0V
Vin=5.5V Vin=5.5V
Vin=3.3V
Vin=2.7V
CL=1uF
RL=10
T
A
=25°C
CL=1uF
RL=10
TA=25°C
CL=1uF
RL=10
T
A
=25°C
CL=1uF
RL=10
T
A
=25°C
AP2145/AP2155
0.5A SINGLE CHANNEL CURRENT-LIMITED POWER
SWITCH WITH OUTPUT DISCHARGE
AP2145/AP2155
Document number: DS32031 Rev. 2 - 2 8 of 13
www.diodes.com September 2010
© Diodes Incorporated
NEW PRODUCT
Typical Performance Characteristics (Continued)
Static Drain- Source O n- State Resi st ance vs Ambient
Temperature
65
75
85
95
105
115
125
135
145
-60 -40 -20 0 20 40 60 80 100
Ambient Temperature (°C )
Static Drain-Source On-State
Resistance (mΩ)
Short - Ci r c ui t Output Curr ent v s Ambient Tem per at ure
720
725
730
735
740
745
750
-60 -40 -20 0 20 40 60 80 100
Ambient Temp er ature (°C)
Short-Circuit Output Current (A)
Undervolt age Lockout vs A m bi ent Tem per at ure
1.95
1.96
1.97
1.98
1.99
2.00
2.01
2.02
2.03
2.04
2.05
-60 -40 -20 0 20 40 60 80 100
Ambient Temp eratur e (°C)
Undervoltage Lockout (V)
Threshol d Tr i p Cur r ent vs Input Volt age
1.10
1.11
1.12
1.13
1.14
1.15
2.8 3.3 3.8 4.3 4.8 5.3
Input V oltage (V)
Threshold Trip Current (A)
Current Li m it Response vs Peak Current
0
5
10
15
20
25
30
35
40
45
2345678910
Peak Current (A)
Current Limit Response (us)
VIN=5V
TA=25°C
C
L
=
22uF
Vin=3.3V
Vin=5V
Vin=3.3V
Vin=5V
UVLO Falling
UVLO Rising
TA=25°C
CL=22uF
AP2145/AP2155
0.5A SINGLE CHANNEL CURRENT-LIMITED POWER
SWITCH WITH OUTPUT DISCHARGE
AP2145/AP2155
Document number: DS32031 Rev. 2 - 2 9 of 13
www.diodes.com September 2010
© Diodes Incorporated
NEW PRODUCT
Application Note
Power Supply Considerations
A 0.1-F to 1-F X7R or X5R ceramic bypass capacitor
between IN and GND, close to the device, is
recommended. Placing a high-value electrolytic capacitor
on the input and output pin(s) is recommended when the
output load is heavy. This precaution reduces power-
supply transients that may cause ringing on the input.
Additionally, bypassi ng the output with a 0.01-F to 0.1-F
ceramic capacitor improves the immunity of the device to
short-circuit transients.
Over-current and Short Circuit Protection
An internal sensing FET is employed to check for over-
current conditions. Unlike current-sense resistors, sense
FETs do not increase the series resistance of the current
path. When an overcurrent condition is detected, the
device maintains a constant output current and reduces
the output voltage accordingly. Compl ete shutdown occurs
only if the fault stays long enough to activate thermal
limiting.
Three possible overload conditions can occur. In the first
condition, the output has been shorted to GND before the
device is enabled or before VIN has been applied. The
AP2145/AP2155 senses the short circuit and immediately
clamps output current to a certain safe level namely ILIMIT.
In the second condition, an output short or an overload
occurs while the device is enabled. At the instance the
overload occurs, higher current may flow for a very short
period of time before the current limit function can react.
After the current limit function has tripped (reached the
over-current trip threshold), the device switches into
current limiting mode and the current is clamped at ILIMIT.
In the third condition, the load has been gradually
increased beyond the recommended operating current.
The current is permitted to rise until the current-limit
threshold (ITRIG) is reached or until the thermal limit of the
device is exceeded. The AP2145/AP2155 is capable of
delivering current up to the current-limit threshold without
damaging the device. Once the threshold has been
reached, the device switches into its current limiting mode
and is set at ILIMIT.
To protect against short circuit to GND at extremely low
temperature (< -30oC), a minimum 120-F electrolytic
capacitor on the output pin is recommended. A correct
capacitor type with capacitor voltage rating and
temperature characteristics must be properly chosen so
that capacitance value do es not drop too low at the
extremely low temperature operation. A recommended
capacitor should have temper ature characteristics of less
than 10% variation of capacita nce cha nge when op erated
at extremely low temp. Our recommended aluminum
electrolytic capacitor type is Panasonic FC series.
FLG Response
When an over-current or over-temperature shutdown
condition is encountered, the FLG open-drain output
goes active low after a nominal 7-ms deglitch timeout.
The FLG output remains low until both over-current and
over-temperature conditions are removed. Connecting a
heavy capacitive load to the output of the device can
cause a momentary over-current condition, which does
not trigger the FLG due to the 7-ms deglitch timeout. The
AP2145/AP2155 is designed to eliminate false over-
current reporting without the need of external
components to remove unwanted pulses.
Power Dissipation and Junction Temperature
The low on-resistance of the internal MOSFET allo ws the
small surface-mount packages to pass large current.
Using the maximum operating ambient temperature (TA)
and RDS(ON), the power dissipation can be calculated
by: PD = RDS(ON)× I2
Finally, calculate the junction temperature:
TJ = PD x RθJA + TA
Where:
TA= Ambient temperature °C
RθJA = Thermal resistance
PD = Total power dissipation
Thermal Protection
Thermal protection prevents the IC from damage when
heavy-overload or short-circuit faults are present for
extended periods of time. The AP2145/AP2155
implements a thermal sensing to monitor the operating
junction temperature of the power distribution switch.
Once the die temperature rises to approximately 140°C
due to excessive power dissipation in an over-current or
short-circuit condition the internal thermal sense circuitry
turns the power switch off, thus preventing the power
switch from damage. Hysteresis is built into the thermal
sense circuit allowing the device to cool down
approximately 25°C before the s witch turns back on. The
switch continues to cycle in this manner until the load
fault or input power is removed. The FLG open-drain
output is asserted when an over-temperature shutdown
or over-current occurs with 7-ms deglitch.
AP2145/AP2155
0.5A SINGLE CHANNEL CURRENT-LIMITED POWER
SWITCH WITH OUTPUT DISCHARGE
AP2145/AP2155
Document number: DS32031 Rev. 2 - 2 10 of 13
www.diodes.com September 2010
© Diodes Incorporated
NEW PRODUCT
Application Note (Continued)
Under-voltage Lockout (UVLO )
Under-voltage lockout function (UVLO) keeps the internal
power switch from being turned on until the power supply
has reached at least 1.9V, even if the switch is enabled.
Whenever the input voltage falls below approximately
1.9V, the power switch is quickly turned off. This facilitates
the design of hot-insertion s ystems where it is not possible
to turn off the power switch before input power is removed.
Generic Hot-Plug Applications
In many applications it may be necessary to remove
modules or pc boards while the main unit is still operating.
These are considered hot-plug applications. Such
implementations require the control of current surges seen
by the main power suppl y and the card bein g inserted. The
most effective way to control these surges is to limit and
slowly ramp the current and voltag e being applied to the
card, similar to the way in which a power supply normall y
turns on. Due to the controlled rise times and fall times of
the AP2145/AP2155, these devices can be used to
provide a softer start-up to devices being hot-plugged
into a powered system. The UVLO feature of the
AP2145/AP2155 also ensures that the switch is off after
the card has been removed, and that the switch is off
during the next insertion.
By placing the AP2145/AP2155 between the VCC input
and the rest of the circuitry, the input power reaches
these devices first after insertion. The typical rise time of
the switch is approximately 1 ms, providing a slo w voltage
ramp at the output of the device. This implementation
controls s ystem surge current and provides a
hot-plugging mechanism for any device.
Ordering Information
AP 21
X
5
X
XG-1
3
4 : Active Low
5 : Active High G : Green 13 : Tape & Reel5 : 1 Channel
Channel Green
PackageEnable Packing
S : SO-8
MP : MSOP-8EP
Device Package
Code Packaging
(Note 5) 13” Tape and Reel
Quantity Part Number Suffix
AP21X5SG-13 S SO-8 2500/Tape & Reel -13
AP21X5MPG-13 MP MSOP-8EP 2500/Tape & Reel -13
Notes: 5. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at
http://www.diodes.com/datasheets/ap02001.pdf.
AP2145/AP2155
0.5A SINGLE CHANNEL CURRENT-LIMITED POWER
SWITCH WITH OUTPUT DISCHARGE
AP2145/AP2155
Document number: DS32031 Rev. 2 - 2 11 of 13
www.diodes.com September 2010
© Diodes Incorporated
NEW PRODUCT
Marking Information
(1) SO-8
AP21X X
( Top view )
YY WW X X
Part Number
Logo
WW : Week : 01~52; 52
YY : Year : 08, 09,10~
G : Green
X : Internal Code
8765
1234
4 : Active Low
5 : Active High
5 : 1 Channel
represents 52 and 53 week
(2) MSOP-8EP
AP21X X
( Top view )
Y W X E
Part Number
Logo Y : Year : 0~9
A~Z : Green
8765
1234
4 : Active Low
5 : Active High 5 : 1 Channel
a~z : 27~52 week; z represents
W : Week : A~ Z : 1~26 week;
52 and 53 week
MSOP-8L-EP
AP2145/AP2155
0.5A SINGLE CHANNEL CURRENT-LIMITED POWER
SWITCH WITH OUTPUT DISCHARGE
AP2145/AP2155
Document number: DS32031 Rev. 2 - 2 12 of 13
www.diodes.com September 2010
© Diodes Incorporated
NEW PRODUCT
Package Outline Dimensions (All Dimensions in mm)
(1) Package type: SO-8
1.27typ 0.3/0.5
7°~9°
4.85/4.95
3.85/3.95
5.90/6.10
0.15/0.25
7°~9°
0.62/0.82
0.10/0.20
Gauge Plane
0.254
Seating Plane
0.35max. 45°
Detail "A"
Detail "A"
1.30/1.50
1.75max.
Land Pattern Recommendation
(Unit: mm)
6x-1.27
8x-1.55
8x-0.60
5.4
0°/8°
(2) Package type: MSOP-8EP
2.9/3.1
0.75/0.95 2.9/3.1
4.7/5.1
0.65Bsc. 0.22/0.38
0.05
0.4/0.8
0.25
0.95Ref.
Gauge plane
0°/8°
"A"
DETAIL "A"
1.35/1.65
1.65/1.95
EXPOSED PAD
(BOTTOM)
8x-0.45
8x-1.4
6x-0.65
EXPOSED PAD
(BOTTOM)
1
1
1
Land Pattern Recommendation
(Unit:mm)
4.4
1.10Max.
0.15Typ.
0.05/0.15
AP2145/AP2155
0.5A SINGLE CHANNEL CURRENT-LIMITED POWER
SWITCH WITH OUTPUT DISCHARGE
AP2145/AP2155
Document number: DS32031 Rev. 2 - 2 13 of 13
www.diodes.com September 2010
© Diodes Incorporated
NEW PRODUCT
IMPORTANT NOTICE
DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS
DOCUMENT, INCLUDING, BUT N OT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhanc ements, improvements, corrections or other
changes without further notice to this document and any product described herein. Diodes Incorporat ed does not assume an y liability
arising out of the application or use of this docum ent or any product described herein; neither does Diodes Incorporated convey an y
license under its patent or trademark rights, nor the rights of others. Any Customer or user of this document or p roducts described
herein in such applications shall assume all risks of such use and will agree to hold Diodes Incorporated and all the companies
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and markings noted herein may also be covered by one or more United States, international or foreign trademarks.
LIFE SUPPORT
Diodes Incorporated products are specifically not authorized for use as critical components in life support devic es or systems without
the express written approval of the Chief Executive Officer of Diodes Incorporated. As used herein:
A. Life support devices or systems are devices or systems which:
1. are intended to implant into the body, or
2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided
in the labeling can be reasonably expected to result in significant injury to the user.
B. A critical component is any com ponent in a life support device or system whose failure to pe rform can be reasonably expected
to cause the failure of the life support device or to affect its safety or effectiveness.
Customers represent that they ha ve all necessary expertise in the safety and regulatory ramifications of their life support dev ices or
systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements
concerning their products and any use of Diodes Incorporated products in such safety-critical, life support devices or systems,
notwithstanding any devices- or systems-related information or support that may be provided by Diodes Incorporated. Further,
Customers must fully indemnify Diodes Incorporated and its representatives against any damages arising out of the use of Diodes
Incorporated products in such safety-critical, life support devices or systems.
Copyright © 2010, Diodes Incorporated
www.diodes.com
