KA75330M - Fairchild Semiconductor Corporation

www.fairchildsemi.com

Rev. 1.0.3

Features

• Detecting Against Error Operations At The Power On/off.

• Resetting Function For The Low Voltage Microprocessor.

• Checking Low Battery

Description

The KA75250/KA75270/KA75290/KA75310/KA75330/

KA75360/KA75390/KA75420/KA75450 prevents the error

of syst em from supply vo ltage belo w no rma l vol tage l evel at

the time the power on and instantaneous power off in

systems.

Internal Block Diagram

INPUT

1:TO-92

3:SOT-89

GND

2:TO-92

2:SOT-89

OUT

3:TO-92

1:SOT-89

VREF

INPUT

1:TO-92

3:SOT-89

GND

2:TO-92

2:SOT-89

OUT

3:TO-92

1:SOT-89

VREF

KA75XXX

Voltage Detector

TO-92

1. Input 2. GND 3. Outpu t

SOT-89

KA75XXX

Absolute Maximum Rating (TA=25°

°°

°C)

Electrical Characteristics (TA=25°

°°

°C)

Characteristic Symbol Value Unit

Supply Voltage Vcc 0.3 ~ +15.0 V

Detecting Voltage VDET 2.5/2.7/2.9/3.1

3.3/3.6/3.9/4.2/4.5 V

Hysteresis Voltage VHYS 50 mV

Operating Temperature TOPR -25 ~ +85 °C

Storage Temperature TSTG -50 ~ +150 °C

Power Dissipation

TO-92

SOT-89 PD200

500 mW

Detecting Voltage Temperature Coefficient ∆VDET/∆TR

L = 200Ω, +0.01 %/°C

Characteristic Symbol Test Conditions Min Typ Max Unit

Detecting Voltage VDET

KA75250

KA75270

KA75290

KA75310

KA75330

KA75360

KA75390

KA75420

KA75450

2.35

2.55

2.75

2.95

3.15

3.45

3.75

4.05

4.35

2.5

2.7

2.9

3.1

3.3

3.6

3.9

4.2

4.5

2.65

2.85

3.05

3.25

3.45

3.75

4.05

4.35

4.65

Low Output Voltage VOL RL = 200Ω--0.4V

Output Leakage Current ILKG VCC = 15V - - 0.1 uA

Hysteresis Voltage VHYS RL = 200Ω30 50 100 mV

Detecting Voltage Temperature

Coefficient ∆VDET/∆TR

L = 200Ω- ±0.01 - %/°C

Circuit Current(At On Time) ICCL VCC = VDET(MIN) -0.05V - 300 500 uA

Circuit Current(At Off Time) ICCH VCC = 5.25V - 30 50 uA

Threshold Operating Voltage VTH(OPR) RL = 200Ω, VOL ≤ 0.4V - 0.8 1.0 V

" L"± Transmission Delay Time TOL RL = 1.0kΩ, CL= 100pF 0.6 10 - us

" H"± Transmission Delay Time TOH RL = 1.0kΩ, CL = 100pF - 15 20 us

Output Current (At On Time) IOLI VCC = VDET(MIN) -0.05V,

TA = 25°C10 20 30 mA

Output Current (At On Time) IOLII VCC = VDET(MIN) - 0.05V

TA = -25 ~ +85°C81630mA

RL= 200Ω

VOL ≤ 0.4V

KA75XXX

Test Circuit 1.

Test Circuit 2.

Test Circuit 3.

KA75XXX

INPUT

10u

10V

GND

OUTPUT

KA75XXX

INPUT

10u

10V

GND

OUTPUT

0.1u

50V 10u

50V

INPUT PULSE

KA75XXX

INPUT

GND

OUTPUT

0.1u

50V 10u

50V

INPUT PULSE

KA75XXX

INPUT

GND

OUTPUT

VCC

LED

KA75XXX

INPUT

GND

OUTPUT

VCC

LED

KA75XXX

INPUT

GND

OUTPUT

KA75XXX

Applica tion Cir cuit

VCC

KA75XXX

INPUT

GND

OUTPUT

Vcc

CPU

GND

RESET

VCC

KA75XXX

INPUT

GND

OUTPUT

Vcc

CPU

GND

RESET

KA75XXX

Mechanical Dimensions

Package Dimensions in millimeters

TO-92

0.46

±0.10

1.27TYP

(R2.29)

3.86MAX

[1.27

±0.20

]1.27TYP

[1.27

±0.20

]

3.60

±0.20

14.47

±0.40

1.02

±0.10

(0.25) 4.58

±0.20

4.58

+0.25

–0.15

0.38

+0.10

–0.05

0.38

+0.10

–0.05

KA75XXX

Mechanical Dimensions (Continued)

Package Dimensions in millimeters

SOT-89

0.40

±0.10

2.50

±0.20

(0.50)

(0.40)

4.10

±0.20

0.40

+0.10

–0.05

0.50

±0.10

1.65

±0.10

4.50

±0.20

1.50

±0.20

C0.2

1.50 TYP 1.50 TYP

(1.10)

KA75XXX

Ordering Information

Product Number Package Operating Temperature

KA75250Z

TO-92

-25 ~ +85°C

KA75270Z

KA75290Z

KA75310Z

KA75330Z

KA75360Z

KA75390Z

KA75420Z

KA75450Z

KA75250M

SOT-89

KA75270M

KA75290M

KA75310M

KA75330M

KA75360M

KA75390M

KA75420M

KA75450M

KA75XXX

9/10/02 0.0m 001

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CORPORA TION. As used he rein :

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which, (a) are intended for surgical implant into the body,

or (b) support or sustain life, and (c) whose failure to

perform when properly used in accordance with

instructions for use provided in the labeling, can be

reasonably expected to result in a significant injury of the

user.

2. A critical component in any component of a life support

device or syst em who se failure to perform can be

reasonably expected to cause the failure of the life support

device or system, or to affect its safety or effec tiv ene ss.

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Product status/pricing/packaging

KA75450M

Voltage Detector (4.5V)

General description

Features

Contents

•General description

•Features

•Product status/pricing/packaging

•Order Samples

•Qualification Support

The

KA75250/KA75270/KA75290/KA75310/KA75330/KA75360/KA75390/KA75420/KA75450

prevents error of system from supply voltage below normal voltage level at the time the

power on and instantaneous powe

off in systems.

zDetecting against error operations at the power ON/OFF.

zResetting function for the low voltage microprocessor.

zChecking low battery

Datasheet

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datasheet

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datasheet

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Print version

Product Product status Pb-free Status Pricing* Package type Leads Packing method

KA75450MTF Full Production $0.355 SOT-89 3TAPE REEL

* Fairchild 1,000 piece Budgetary Pricing

** A sample button will appear if the part is available through Fairchild's on-line samples program. If there is no sample button, please

contact a Fairchild distributor to obtain samples