See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

YFQ | 12

Temp:

I (-40 to 85)

ECO Plan:

Green (RoHS & no Sb/Br)

LM3630ATME


LM3630A High-Efficiency Dual-String White LED Driver

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Qty.Price
1 - 9 $ 1.08
10 - 24 $ 0.96
25 - 99 $ 0.89
100 - 249 $ 0.76
250 - 499 $ 0.70
500 - 749 $ 0.57
750 - 999 $ 0.46
1000 - 9999 $ 0.36

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Texas Instruments LM3630ATME

The LM3630A is a current-mode boost converter which supplies the power and controls the current in up to two strings of 10 LEDs per string. Programming is done over an I2C-compatible interface. The maximum LED current is adjustable from 5 mA to 28.5 mA. At any given maximum LED current the LED brightness is further adjusted with 256 exponential or linear dimming steps. Additionally, pulsed width modulation (PWM) brightness control can be enabled allowing for LED current adjustment by a logic level PWM signal.

The boost switching frequency is programmable at 500 kHz for low switching loss performance or 1 MHz to allow the use of tiny low-profile inductors. A setting for a 10% offset of these frequencies is available. Overvoltage protection is programmable at 16 V,
24 V, 32 V, or 40 V to accommodate a wide variety of LED configurations and Schottky diode/output capacitor combinations.

The device operates over a 2.3-V to 5.5-V operating voltage range and –40°C to +85°C ambient temperature range. The LM3630A is available in an ultra-small 12-bump DSBGA package.

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