APL3512 datasheet(4/21 Pages) ANPEC

4 / 21 page

Rev. A.6 - Aug., 2012

APL3512

www.anpec.com.tw

Electrical Characteristics

Unless otherwise specified, these specifications apply over V

IN=5V, VEN=5V or VENB=0V and TA=-40~85

oC. Typical values are at

A=25

oC.

APL3512A/B

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

SUPPLY CURRENT

No load, VEN=0V or VENB=5V

µA

VIN Supply Current

No load, VEN=5V or VENB=0V

100

µA

Leakage Current

VOUT=GND, VEN=0V or VENB=5V

µA

Reverse Leakage Current

VIN=GND, VOUT=5V, VEN=0V or VENB=5V

µA

POWER SWITCH

IOUT=1.5A, TA=25

110

Ω

RDS(ON)

Power Switch On Resistance

IOUT=1.5A, TA=-40~85

140

Ω

UNDER-VOLTAGE LOCKOUT

VIN UVLO Threshold Voltage

VIN rising, TA=-40~85

2.3

2.65

VIN UVLO Hysteresis

0.2

CURRENT-LIMIT AND SHORT-CIRCUIT PROTECTIONS

ILIM

Current-Limit Threshold

VIN=2.7V to 5.5V, TA=-40~85

2.5

3.1

4.22

ISHORT

Short-Circuit Output Current

VIN=2.7V to 5.5V

0.8

SOFT-START CONTROL PIN

SS Current

VIN=5V, TA=-40~85

µA

VIN=5V, No load, COUT=1

µF, C

SS=10nF,

TA=-40~85

VIN=3.3V, No load, COUT=1

µF, C

SS=10nF,

TA=-40~85

6.6

tSS

Soft-Start Time

VIN=3.3V, No load, COUT=1

µF, No C

SS or SS

tied to VIN, TA=-40~85

EN OR ENB INPUT PIN

VIH

Input Logic HIGH

VIN=2.7V to 5V

VIL

Input Logic LOW

VIN=2.7V to 5V

0.8

Input Current

µA

VOUT Discharge Resistance

VEN=0V or VENB=5V

150

Ω

OVER-TEMPERATURE PROTECTION (OTP)

TOTP

Over-Temperature Threshold

TJ rising

140

°C

Over-Temperature Hysteresis

°C

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