Copyright

© ANPEC Electronics Corp.

Rev. A.3 - Jul., 2013

APL3546

www.anpec.com.tw

4

Pin Description

FUNCTION

NO.

SOP-8

SOP-8P

TDFN2x2-6

NAME

1

1

1

VIN

Power Supply Input. Connect this pin to external DC supply.

2

2

2

SS

Soft Start Control Pin. Connect a capacitor to GND to control the soft start rate. If

3

3,9

3

GND

GND

4

4

-

NC

No connection.

5

5

-

NC

No connection.

6

6

4

EN

Enable Input. Pull this pin to high to enable the device and pull this pin to low to

disable device. The EN pin cannot be left floating.

7

7

5

NC

No connection.

8

8

6

VOUT

Output Voltage Pin. The output voltage follows the input voltage. When EN is low

the output voltage is discharged by an internal resistor.

Electrical Characteristics(Cont.)

Unless otherwise specified, these specifications apply over V

APL3546

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

EN INPUT PIN

Input Logic High

2

-

-

V

Input Logic Low

-

-

0.6

V

Input Current

-

-

1

µA

VOUT Discharge Resistance

-

950

-

Ω

Turn on Delay Time

-

300

-

µs

Turn off Delay Time

-

3

-

µs

OVERT-TEMPERATURE PROTECTION (OTP)

Over-Temperature Threshold

-

150

-

°C

Over-Temperature Hysteresis

-

20

-

°C