Copyright

© ANPEC Electronics Corp.

Rev. A.1 - Aug., 2012

APL3521

www.anpec.com.tw

3

Symbol

Parameter

Range

Unit

VIN Input Voltage

2.7 ~ 5.5

V

OUT Output Current

0 ~2

A

Ambient Temperature

-40 ~ 85

Junction Temperature

-40 ~ 125

Note 3: Refer to the typical application circuit.

Electrical Characteristics

Unless otherwise specified, these specifications apply over V

T

APL3521

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

SUPPLY CURRENT

-

-

1

µA

VIN Supply Current

-

60

100

µA

Leakage Current

-

-

1

µA

Reverse Leakage Current

-

-

1

µA

POWER SWITCH

-

90

110

m

Ω

Power Switch On Resistance

-

90

140

m

Ω

UNDER-VOLTAGE LOCKOUT

VIN UVLO Threshold Voltage

2.3

-

2.65

V

VIN UVLO Hysteresis

-

0.2

-

V

CURRENT-LIMIT AND SHORT-CIRCUIT PROTECTIONS

Current-Limit Threshold

2.5

3.1

4.22

A

Short-Circuit Output Current

-

0.8

-

A

SOFT-START CONTROL PIN

Soft-Start Time

µF

1

2

3

ms

EN OR ENB INPUT PIN

Input Logic HIGH

2

-

-

V

Input Logic LOW

-

-

0.8

V

Input Current

-

-

1

µA

VOUT Discharge Resistance

-

150

-

Ω

OVER-TEMPERATURE PROTECTION (OTP)

Over-Temperature Threshold

-

140

-

°C

Over-Temperature Hysteresis

-

20

-

°C