PIN CONFIGURATION

1

2

3

6

4

SOT23-6

OUT

EN

IN

ILIM

GND

ETA1036

5 OUT

ABSOLUTE MAXIMUM RATINGS

(Note: Exceeding these limits may damage the device. Exposure to absolute maximum rating

conditions for long periods may affect device reliability.)

All Pin Voltage ............................................................–0.3V to 6.5V

SW to ground current………..…………..…………...Internally limited

Operating Temperature Range …..……………....…–40°C to 85°C

Storage Temperature Range …….…….………….–55°C to 150°C

Thermal Resistance

JA

SOT23-6 ……………………………………….………………190 ............. °C/W

ELECTRICAL CHACRACTERISTICS

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Input Voltage Range

2.5

5.5

V

Input Clamped Voltage

5.5

V

Input UVLO

Rising, Hysteresis=250mV

2.35

V

Input Supply Current

100

uA

Input Shutdown Current

0.5

1.5

uA

Power Switch On Resistance

50

mΩΩ

80

mΩΩ

Current limit Threshold

3.5

A

1.75

A

1.00

A

Current limit Foldback

1

A

Current limit Foldback Voltage

VIN-1V

V

Short-circuit hiccup on time

10

ms

Short-circuit hiccup off time

160

ms

EN input pull-up resistance

2000

kΩΩ

EN Input Logic High threshold

1

V

EN Input Logic Low threshold

0.66

V

Thermal Shutdown

160

Thermal Shutdown Hysteresis

15

PIN DESCRIPTION

PIN #

NAME

DESCRIPTION

1

EN

Enable pin. Tie high to enable the power switch, tie low to disable.

2

GND

Ground

3

IN

Input power for internal circuitry. Bypass with a 10uF cap to OUT and a 1uF cap to GND.

4

ILIM

Curernt limit external setting pin. Connect a resistor (Rlim) between this pin and ground to

5,6

OUT

Output power pin. Connect to the negative terminal of the external load

HM9713