2A 150kHz 40V Buck DC/DC Converter With Constant Current Loop

HM3101

Typical Application Circuit (Buck LED Constant Current Driver)

Figure5.

HM3101 Typical Application Circuit (LED Constant Current Driver)

Ordering Information

Part Number

Marking ID

Lead Free

Lead Free

Packing Type

Tube

Package

Temperature

Range

Tape & Reel

Absolute Maximum Ratings（Note1）

Parameter

Symbol

Value

Unit

Input Voltage

Vin

-0.3 to 45

V

FB Pin Voltage

-0.3 to Vin

V

EN Pin Voltage

VEN

-0.3 to Vin

V

SW Pin Voltage

-0.3 to Vin

V

Power Dissipation

Internally limited

mW

Thermal Resistance

(Junction to Ambient, No Heatsink, Free Air)

50

ºC/W

Operating Junction Temperature

-40 to 125

ºC

Storage Temperature

-65 to 150

ºC

Lead Temperature (Soldering, 10 sec)

260

ºC

ESD (HBM)

2000

V

Note1: Stresses greater than those listed under Maximum Ratings may cause permanent damage

to the device. This is a stress rating only and functional operation of the device at these or any

other conditions above those indicated in the operation is not implied. Exposure to absolute

maximum rating conditions for extended periods may affect reliability.

Rev 1.0

4

Shenzhen H&M Semiconductor Co.Ltd

http：//www.hmsemi.com