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LM3644YFFR - TI
Manufacturer:
TI
ManyChip's Part#:
MC27754553
Category:
LED Driver, LED Display Driver
Package:
UFBGA-12
Datasheet:
Datasheet 3D Model
Description:
Dual 1.5A Current Source Camera Flash LED Driver 12-DSBGA -40℃ to 85℃
Stock Locations:
Availability:
267 pcs In Stock
MOQ:
1 pcs
Unit Price:
$ 0.91

Updated at 01/11/2025 10:30:15(UTC+8)

Certifications

ManyChip is committed to product quality and safety with ISO 9001, ISO 13485, ISO 45001, UL, RoHS, CQC and REACH certifications.

Description

The LM3644 is a dual LED flash driver that provides a high level of adjustability within a small solution size. The LM3644 utilizes a 2-MHz or 4-MHz fixed-frequency synchronous boost converter to provide power to the dual 1.5-A constant current LED sources. The dual 128 level current sources provide the flexibility to adjust the current ratios between LED1 and LED2. An adaptive regulation method ensures the current sources remain in regulation and maximizes efficiency.
Features of the LM3644 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 independently programmable currents in each output leg to drive the LEDs in a Flash or 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.

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LM3644YFFR Specifications

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- Delivery date: usually 2 to 7 working days.
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- Carefully inspected and packed by ManyChip warehouse
- Vacuum packaging
- Anti-static packaging
- Shockproof foam
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- Please confirm product specifications when ordering.
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SN:H2.49727LO26844V38Q0QC0S1

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