Datasheet > LM3402_11

LM3402_11

更新时间： 2024-09-26 02:58:43

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LM3402/LM3402HV 0.5A Constant Current Buck Regulator for Driving High Power LEDs

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LM3402_11 数据手册

LM3402, LM3402HV

www.ti.com

SNVS450E –SEPTEMBER 2006–REVISED MAY 2013

0.5A Constant Current Buck Regulator for Driving High Power LEDs

Check for Samples: LM3402, LM3402HV

FEATURES

DESCRIPTION

The LM3402/02HV are monolithic switching

•

Integrated 0.5A N-channel MOSFET

V_INRange from 6V to 42V (LM3402)

V_INRange from 6V to 75V (LM3402HV)

500 mA Output Current Over Temperature

Cycle-by-Cycle Current Limit

regulators designed to deliver constant currents to

high power LEDs. Ideal for automotive, industrial, and

general lighting applications, they contain a high-side

N-channel MOSFET switch with a current limit of 735

mA (typical) for step-down (Buck) regulators.

Hysteretic control with controlled on-time coupled with

an external resistor allow the converter output voltage

to adjust as needed to deliver a constant current to

series and series - parallel connected arrays of LEDs

of varying number and type, LED dimming by pulse

width modulation (PWM), broken/open LED

protection, low-power shutdown and thermal

shutdown complete the feature set.

No Control Loop Compensation Required

Separate PWM Dimming and Low Power

Shutdown

•

Supports All-ceramic Output Capacitors and

Capacitor-less Outputs

•

Thermal Shutdown Protection

VSSOP, SO PowerPAD Packages

APPLICATIONS

•

LED Driver

Constant Current Source

Automotive Lighting

General Illumination

Industrial Lighting

Typical Application

VIN

BOOT

RON

LM3402/02HV

SNS

DIM

VCC

GND

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...38

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与LM3402_11相关器件

型号	品牌	获取价格	描述	数据表
LM3402_14	TI	获取价格	0.5A Constant Current Buck Regulator for Driving High Power LEDs
LM34024DA	NXP	获取价格	IC VREG FIXED POSITIVE REGULATOR, MBFM2, TO-3, 2 PIN, Fixed Positive Single Output Standar
LM340-24DA	NXP	获取价格	IC VREG 24 V FIXED POSITIVE REGULATOR, MBFM2, TO-3, 2 PIN, Fixed Positive Single Output St
LM340-24U	NXP	获取价格	24V FIXED POSITIVE REGULATOR, PSFM3, TO-220, 3 PIN
LM3402HV	NSC	获取价格	0.5A Constant Current Buck Regulator for Driving High Power LEDs
LM3402HV	TI	获取价格	0.5A Constant Current Buck Regulator for Driving High Power LEDs
LM3402HVMM	NSC	获取价格	0.5A Constant Current Buck Regulator for Driving High Power LEDs
LM3402HVMM	TI	获取价格	0.5A Constant Current Buck Regulator for Driving High Power LEDs
LM3402HVMM/NOPB	TI	获取价格	75-V 0.5A constant current buck LED driver 8-VSSOP -40 to 125
LM3402HVMMX	NSC	获取价格	0.5A Constant Current Buck Regulator for Driving High Power LEDs

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