SP7683 Datasheet Four Channel Charge Pump Regulator LED Driver

Manufacturer: Sipex Corporation

Overview: www.DataSheet4U.com ® Advanced SP7683 Four Channel Charge Pump Regulator LED.

SP7683 four channel charge pump regulator led driver by Sipex Corporation - Datasheet Preview

Datasheet Details

Part number	SP7683
Manufacturer	Sipex Corporation
File Size	171.48 KB
Description	Four Channel Charge Pump Regulator LED Driver
Download	SP7683 Download (PDF)

General Description

The SP7683 is high efficiency Charge Pump which regulates up to four white LEDs with matching current.

Based on the supply headroom available for the four precision current sinks, SP7683 automatically switches between 1X and 1.5X modes.

The part powers up in 1X mode, with low quiescent current of 70uA (typ) and remains in 1X mode as long as the LED current has not decreased by more than 0.5%.

Key Features

2.7V to 5.5V Input Voltage Range.
Up to 4 LEDS with matching currents.
LEDs can be Driven from the Charge Pump Output.
1X and 1.5X Mode Charge Pump.
High Efficiency Operation.
1.2 MHz Switching Frequency.
Programable LED Drive Capabliity.
PWM Dimming Control.
Low 0.5µA Shutdown Current.
Soft-Start Limits Inrush Current.
Output Overvoltage Protection.
Thermal Shutdown Protection.
QFN (4mm x 4mm) package LED2 EN/ PWM 14 LED1 16 1.

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