ACE736E

42V Input Standoff Voltage, 0.4A Step-Down Converter

VER 1.1

2

Absolute Maximum Rating

Parameter

Value

IN Voltage

–0.3V to 42V

SW ,EN Voltage

–0.3V to VIN+0.3

BST Voltage

–0.3V to SW+6V

FB Voltage

–0.3V to 6V

SW to ground current

Internally limited

Operating Temperature Range

–40°C to 85°C

Storage Temperature Range

–55°C to 150°C

Thermal Resistance

θ

JA

220 °C/W

θ

JC

110 °C/W

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

for long periods may affect device reliability.)

Packaging Type

SOT-23-6

Ordering information

ACE736E XX + H

SOT-23-6

Description

Function

1

BST

Bootstrap pin. Connect a 10nF capacitor from this pin to SW.

2

GND

Ground

3

FB

Feedback Input. Connect an external resistor divider from the output to

4

EN

Enable pin for the IC. Drive this pin high to enable the part, low to

disable.

5

IN

Supply Voltage. Bypass with a 10μF ceramic capacitor to GND.

6

SW

Inductor Connection. Connect an inductor between SW and the

regulator output.

Halogen - free

GM: SOT-23-6

Pb - free