MP3336 – DUAL-CHANNEL, FLASH LED DRIVER WITH I

MP3336 Rev.1.01

www.MonolithicPower.com

9

5/16/2017

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© 2017 MPS. All Rights Reserved.

PIN FUNCTIONS

Pin #

Name

Description

A4, B4

LED1

Current source for LED1.

Connect the anode of the LED to LED1.

C4, D4

LED2

Current source for LED2.

Connect the anode of the LED to LED2.

E4

TX

Synchronization input signal for RF transmission signal.

TX is pulled low internally if

left floating.

A3, B3,C3

VOUT

Boost converter output.

D3

EN

IC enable.

E3

STR

Strobe signal input.

STR synchronizes the flash pulse to the image capture. STR is

pulled low internally if left floating.

A2, B2

SW

Boost converter switching node.

C2

TOR

Torch mode input signal.

TOR is pulled low internally if left floating.

D2

SCL

I

E2

SDA

I

A1, B1

PGND Power GND.

C1

AGND Analog GND.

D1

VIN

Input supply.

VIN provides power for the internal power and logic circuits. VIN must be

bypassed locally.

E1

NTC

LED temperature detection.

Connect NTC to a negative thermal coefficient resistor

when in use. Float NTC when not in use.