See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

YFF | 12

Temp:

I (-40 to 85)

ECO Plan:

Green (RoHS & no Sb/Br)

LM3648YFFR


LM3648 Synchronous Boost LED Flash Driver with 1.5-A High-Side Current Source

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Qty.Price
1 - 9 $ 1.14
10 - 24 $ 1.02
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100 - 249 $ 0.80
250 - 499 $ 0.74
500 - 749 $ 0.60
750 - 999 $ 0.48
1000 - 9999 $ 0.38

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Texas Instruments LM3648YFFR

The LM3648 is an LED flash driver that provides a high level of adjustability within a small solution size. The LM3648 utilizes a 2-MHz or 4-MHz fixed-frequency synchronous boost converter to provide power to the 1.5-A constant current LED source. An adaptive regulation method ensures the current source remains in regulation and maximizes efficiency.

Features of the LM3648 are controlled via an I2C-compatible interface. These features include: hardware flash and hardware torch pins (STROBE and TORCH/TEMP), a TX interrupt, and an NTC thermistor monitor. The device offers 64 programmable currents in Flash and 128 levels in Movie Mode (Torch) condition.

The 2-MHz or 4-MHz switching frequency options, overvoltage protection (OVP), and adjustable current limit allow for the use of tiny, low-profile inductors and (10-µF) ceramic capacitors. The device operates over a –40°C to +85°C ambient temperature range.

For all available packages, see the orderable addendum at the end of the data sheet. View datasheet
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