Datasheet > MP3310NGQ

MP3310NGQ

更新时间： 2024-01-04 14:53:27

品牌	Logo	应用领域
芯源 - MPS		/
页数	文件大小	规格书
10页	349K
描述
50V, 1.3A, Step-up White LED Driver with True PWM Dimming

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技术参数
数据手册

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MP3310NGQ 技术参数

是否Rohs认证：	符合	生命周期：	Active
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.63
JESD-609代码：	e3	湿度敏感等级：	1
端子面层：	Matte Tin (Sn)	Base Number Matches：	1

MP3310NGQ 数据手册

MP3310N—50V, 1.3A, STEP-UP WHITE LED DRIVER WITH TRUE PWM DIMMING

PIN FUNCTIONS

Pin #

Name

Pin Function

Open Load Protection Programming Pin. Connect a resistor divider from output to this

pin to program the OVP threshold. When this pin voltage reaches the threshold 1.24V,

the switch will be turned off until V_OVPdecrease and kick the hysteresis.

OVP

LED Current Set. Tie a current setting resistor from this pin to ground to program the

whole LED current.

ISET

Step-up Converter Compensation Pin. This pin is used to compensate the regulation

control loop. Connect a capacitor or a series RC network from COMP to GND.

COMP

LED Current Input. This pin is the open-drain output of an internal dimming

control switch. Connect the LED cathode to this pin. With internal 500mV

reference, the current flows into LED pin should be less than 120mA for normal

operation.

LED

GND,

Exposed Pad

Ground. Connect exposed pad to GND plane for proper thermal performance.

Power Switch Output. SW is the drain of the internal MOSFET switch. Connect the

power inductor and output rectifier to SW.

ON/OFF Control and Dimming Command Input. To use PWM dimming, add a 200Hz to

2kHz square wave signal to this pin.

EN/DIM

VIN

Input Supply Pin. Must be locally bypassed.

The Internal 5V Linear Regulator Output. VCC provides power supply for the internal

MOSFET switch gate driver and the internal control circuitry. Bypass VCC to GND with a

ceramic capacitor. If VIN is less than 5.5V, apply an external 5V supply directly on VCC.

VCC

Switching Frequency Programming Pin. Connect a resistor to ground to set the switching

frequency.

FSET

MP3310N Rev.1.0

12/2/2014

www.MonolithicPower.com

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

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