See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

DQB | 12

Temp:

S (-30 to 85)

ECO Plan:

Green (RoHS & no Sb/Br)

LM3553SD/NOPB


1.2A Dual Flash LED Driver System with I2C Compatible Interface

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1000 - 9999 $ 0.65

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Texas Instruments LM3553SD/NOPB

The LM3553 is a fixed frequency, current mode step-up DC/DC converter with two regulated current sinks. The device is capable of driving loads up to 1.2A from a single-cell Li-Ion battery.

The LM3553 includes a TX pin that forces Torch mode during a flash event allowing for synchronization between the RF power amplifier and Flash/Torch modes. It also includes a multi-function pin (M/F) that can serve as a GPIO and a hardware RESET pin.

The LM3553 is available in a 3mm by 3mm package.

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