Datasheet > MP3336GC

MP3336GC

更新时间： 2024-11-22 01:22:43

品牌	Logo	应用领域
芯源 - MPS		/
页数	文件大小	规格书
27页	748K
描述
Dual-Channel, Flash LED Driver with 2A/Ch and I2C Interface

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MP3336GC 数据手册

MP3336

Dual-Channel, Flash LED Driver

with 2A/Ch and I²C Interface

The Future of Analog IC Technology

DESCRIPTION

FEATURES



2.7V~5.5V Input Voltage

The MP3336 is a compact, dual-channel, high-

power, flash, LED driver that can drive up to 2A in

flash mode for each LED. It is usually applied for

camera phones to improve image and video

quality in low-light environments. The MP3336

operates with a selectable 1/2/3/4MHz switching

frequency and uses a synchronous, current-mode

PWM boost converter to regulate the LED current

with two high-current sources. The MP3336

provides high efficiency and an optimized solution

for smaller PCB spaces.

1/2/3/4MHz Selectable Max Switching

Frequency



Switching Frequency Fold-back Function

400kHz I²C Compatible Interface

Standby/Flash/Assist/Torch/Indicator/5V DC

Modes

Flash Mode

Up to 2A/Ch Programmable Current with

±7% Accuracy for Each LED, 7.84mA/Step

Assist/Torch Mode



The MP3336 features a standard I²C interface,

dual LED channels, rich protection modes, and

high power density and performances. The

MP3336 can also support flash, assist, torch,

indicator, and 5V DC modes.



Up to 319mA/Ch Programmable Current

with ±7% Accuracy for Each LED,

1.25mA/Step

Indicator Mode



Works in 31.5kHz PWM Dimming Mode with

2/16, 3/16, 4/16, 5/16 Duty Cycle

Used for Blinking and 128/256/512ms

Selectable Blinking Time

The cathodes of the dual-flash LED are

referenced to GND, which is better for improving

thermal performance in layout. The MP3336 is

available in a WLCSP-20 (1.6mmx2.0mm)

package.



5V DC Mode



Output Constant 5V DC Voltage

1A to 4.2A Programmable Input DC Current

Limit Protection



External Torch/Strobe/TX Pin

LED Forward-Voltage Balance to Improve

Efficiency



VIN to VOUT Disconnection Function

Low-Battery Voltage Protection

LED Short/Open Protection

VOUT-GND Short Protection

Over-Voltage Protection (OVP)

Over-Temperature Protection (OTP)

Input Under-Voltage Lockout (UVLO)

Protection



Available in a WLCSP-20 (1.6mmx2.0mm)

Package

APPLICATIONS



Smartphone Flash LED Application

Cameras for Tablets

Digital Still Camera

All MPS parts are lead-free, halogen-free, and adhere to the RoHS directive. For

MPS green status, please visit the MPS website under Quality

Assurance. “MPS” and “The Future of Analog IC Technology” are registered

trademarks of Monolithic Power Systems, Inc.

MP3336 Rev.1.01

5/16/2017

www.MonolithicPower.com

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

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