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SC621 - LED Light Management Unit

Description

Input supply voltage range 3.0V to 5.5V Charge pump modes 1x, 1.5x and 2x Four programmable current sinks with 32 steps from 0.5mA to 25mA Flash LED 400mA max in flash mode, 250mA max continuous for spotlight Two progra

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Datasheet Details

Part number SC621
Manufacturer Semtech Corporation
File Size 304.53 KB
Description LED Light Management Unit
Datasheet download datasheet SC621 Datasheet
Additional preview pages of the SC621 datasheet.

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Full PDF Text Transcription

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POWER MANAGEMENT SC621 LED Light Management Unit Charge Pump, 4 LEDs, 400mA Flash LED, Dual LDOs, and SemWireTM Interface Features Description „ Input supply voltage range — 3.0V to 5.5V „ Charge pump modes — 1x, 1.5x and 2x „ Four programmable current sinks with 32 steps from 0.5mA to 25mA „ Flash LED — 400mA max in flash mode, 250mA max continuous for spotlight „ Two programmable 200mA low-noise LDO regulators „ Charge pump frequency — 250kHz „ SemWireTM single wire interface — up to 75kbit/s „ Backlight current accuracy ±1.5% typical „ Backlight current matching ±0.5% typical „ Programmable fade-in/fade-out for main backlight „ External flash control pin to sync with camera „ Optional 1s flash time out „ Automatic sleep mode (LEDs off ) — I = 100μA Q „ Low shutdown current — 0.
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