HI-SINCERITY
MICROELECTRONICS CORP.
Spec. No. : HE200112
Issued Date : 1998.07.01
Revised Date : 2001.12.17
Page No. : 1/4
H7912AE, H7912BE HSMC Product Specification
H7912AE
H7912BE
3-TERMINAL NEGATIVE VOLTAGE REGULATOR
Description
The H7912_E series of three-terminal negative regulators are avail-
able in the TO-220AB package. They can provide local on-card
regulation, eliminating the distribution problems associated with single point regulation;
furthermore, having the same voltage options as the H7912_E positive standard series, they are
particularly suited for split power supplies. If adequate heat sinking is provided, the H7912_E
series can deliver an output current in excess of 1A although designed primarily as fixed voltage
regulators, these devices can be used with external components to obtain adjust able volt age and
currents.
Absolute Maximum Ratings (Ta=25°C)
Input Voltage...................................................................................................................... -35 V
Total Power Dissipation..................................................................................... Internally limited
Operating Junction Temperature........................................................................ 0 °C to +125 °C
Maximum Junction Temperature...................................................................................... 125 °C
Storage Temperature Range........................................................................... -55 °C to +150 °C
Lead Temperature (Soldering 10S).................................................................................. 230 °C
Schematic DiagramT ypical Application
1.4k
7K
15K
Vin
750 1K 6K 20K 20K 20K
20pF
5K
10pF 600 15K 20K
3K
10K 6.2V
150
0.2
Vout
5K4K
GND
TO-220
H7912_E VoutVin
3
2
1
C1 C2
Note:
By pass Capacitors are
recommended for optimum st ability
and transient respo nse and should
be locate as close as possible to the
regulator.
HI-SINCERITY
MICROELECTRONICS CORP.
Spec. No. : HE200112
Issued Date : 1998.07.01
Revised Date : 2001.12.17
Page No. : 2/4
H7912AE, H7912BE HSMC Product Specification
Electrical Characteristics
Vin=-19V, Io=500mA, Cin=2.2uF, Cout=1uF, 0°CTj125°C (unless otherwise noted)
H7912AE
Symbol Parameter Conditions Min Typ Max Units
Tj=25°C-11.64 -12 -12.36
Vo Output Voltage PD15W, 5mAIo1A
Vi=-14.5V to -27V -11.58 -12 -12.42 V
Tj=25°C, -14.5VVin-30V - - 120
Vo Line Regulation Tj=25°C, -16VVin22V --30
mV
5mAIo1.5A - - 150
Vo Load Regulation 250mAIo750mA --75
mV
IQ Quiescent Current Io1A, Tj=25°C-38mA
5mAIo1A --0.5
IQ Quiescent Current
Change -14.5VVin-30V --1.3
mA
Vo / TOutput Voltage Drift Io=5mA - -0.4 - mV/°C
Vn Output Noise Voltage Ta=25°C, 10Hz to 100KHz - 100 - uV
RR Ripple Rejection Vi=10V, f=120Hz 54 68 - dB
VD Dropout Voltage Tj=25°C, Io=1A -2- V
Isc Short Circuit Current Tj=25°C, Vi=-35V -2.2- A
Ipk Peak Output Current Tj=25°C1.3 2.2 - A
H7912BE
Symbol Parameter Conditions Min Typ Max Units
Tj=25°C-11.5 -12 -12.5
Vo Output Voltage PD15W, 5mAIo1A
Vi=-14.5V to -27V -11.4 -12 -12.6 V
Tj=25°C, -14.5VVin-30V - 10 240
Vo Line Regulation Tj=25°C, -16VVin22V - 5 120 mV
5mAIo1.5A - - 240
Vo Load Regulation 250mAIo750mA - - 120 mV
IQ Quiescent Current Io1A, Tj=25°C-38mA
5mAIo1A --0.5
IQ Quiescent Current
Change -14.5VVin-30V --1.3
mA
Vo / TOutput Voltage Drift Io=5mA - -0.4 - mV/°C
Vn Output Noise Voltage Ta=25°C, 10Hz to 100KHz - 100 - uV
RR Ripple Rejection Vi=10V, f=120Hz 54 68 - dB
VD Dropout Voltage Tj=25°C, Io=1A -2- V
Isc Short Circuit Current Tj=25°C, Vi=-35V -2.2- A
Ipk Peak Output Current Tj=25°C1.3 2.2 - A
HI-SINCERITY
MICROELECTRONICS CORP.
Spec. No. : HE200112
Issued Date : 1998.07.01
Revised Date : 2001.12.17
Page No. : 3/4
H7912AE, H7912BE HSMC Product Specification
Characteristics Curve
Aver age C ase Power Dissipation as A Function
of Ambient Temperauture
0.1
1
10
100
25 50 75 100 125 150
Ambient Tem per atu r e ( ºC)
Power Dissipation
Peak Output Current as A Function of Input-
Output Differentail Voltage
0
0.5
1
1.5
2
2.5
0 3 6 9 12 15 18 21 24 27 30
Input-Output Voltage Differential
Output Current
Ripple Rejection as A Function of Frequency
0
20
40
60
80
100
10 100 1000 10000 100000
Frequency
Ripple Rejection (dB)
Ripple Rejection as A Function of Output
Voltage
40
50
60
70
80
2 4 6 8 10 12 14 16 18 20 22
Output Voltage
Ripple Rejection (dB)
Out p ut Vo ltage as A Fun cti on of Ju nction
Temperature
6.06
6.1
6.14
6.18
6.22
6.26
-25 0 25 50 75 100 125 175
Jun c t ion T em p er at ur e ( ºC)
Output Voltage (Volts)
HI-SINCERITY
MICROELECTRONICS CORP.
Spec. No. : HE200112
Issued Date : 1998.07.01
Revised Date : 2001.12.17
Page No. : 4/4
H7912AE, H7912BE HSMC Product Specification
TO-220AB Dimension
*: Typical
Inches Millimeters Inches Millimeters
DIM Min. Max. Min. Max. DIM Min. Max. Min. Max.
A 0.2197 0.2949 5.58 7.49 I - *0.1508 - *3.83
B 0.3299 0.3504 8.38 8.90 K 0.0295 0.0374 0.75 0.95
C 0.1732 0.185 4.40 4.70 M 0.0449 0.0551 1.14 1.40
D 0.0453 0.0547 1.15 1.39 N - *0.1000 - *2.54
E 0.0138 0.0236 0.35 0.60 O 0.5000 0.5618 12.70 14.27
G 0.3803 0.4047 9.66 10.28 P 0.5701 0.6248 14.48 15.87
H-*0.6398 - *16.25
Notes: 1.Dimension and tolerance based on our Spec. dated Sep. 07,1997.
2.Controlling dimension: millimeters.
3.Maximum lead thickness includes lead finish thickness, and minimum lead thickness is the minimum thickness of base material.
4.If there is any question with packing specification or packing method, please contact your local HSMC sales office.
Material:
Lead: 42 Alloy ; solder plating
Mold Compound: Epoxy resin family, flammability solid burning class: UL94V-0
Important Notice:
All rights are reserved. Reproduction in whole or in part is prohibited without the prior written approval of HSMC.
HSMC reserves the right to make changes to its products without notice.
HSMC semiconductor products are not warranted to be suitable for use in Life-Support Applications, or systems.
HSMC assumes no liability for any consequence of customer product design, infringement of patents, or application assistance.
Head Office And Factory:
Head Office (Hi-Sincerity Microelectronics Corp.): 10F.,No. 61, Sec. 2, Chung-Shan N. Rd. Taipei Taiwan R.O.C.
Tel: 886-2-252 12056 Fax: 886-2-25632712, 25368454
Factory 1: No. 38, Kuang Fu S. Rd., Fu-Kou Hsin-Chu Industrial Park Hsin-Chu Taiwan. R.O.C
Tel: 886-3-598 3621~5 Fax: 886-3-5982931
A B
E
G
IK
M
O
P
3
2
1
C
N
H
D
4
Style: Pin 1.Vin 2.Ground 3.Vout
4.Ground
3-Lead TO-220AB Plastic Package
HSMC Package Code: E
Marking:
Date Code Control Code
HE
7912 Rank