Agamem Microelectronic AA1700
The AA1700 is a high frequency boost DC/DC converter with constant current output that drives white LEDs or similar. The LED current is set with the external resistor. This IC works with a wide operating supply range (1.8V to 15V) and low current consumption, is optimal for use in high-efficiency white LED driver.| Part No. | AA1700 |
|---|---|
| Datasheet | AA1700 Download |
| Manufacturer |  Agamem Microelectronic |
| Description | Constant Current White LED driver |
| Buy | Stock & Price |
FEATURES
● Drives Up to 8 LEDs in Series.● Second or more string of LEDs can be added.
● Low current consumption: Typically 5.5 mA in operation, 1 µA or less in stand-by.
● PWM mode operation of the boost circuit (frequency range: 10 kHz to 1 MHz).
● Incorporates a soft start circuit and adjustable soft start time.
● Timer latch LED short-circuit protection circuit (SP).
● On/off control function.
● Available in an 8-pin TSSOP or SOP package. PIN Configuration (TOP VIEW) IN SP VCC CTL 1 2 3 4 8 ER 7 CLK 6 GND 5 P0
APPLICATIONS
● LCD Bias Supplies● White LED Backlighting
● Handheld Devices
● Digital Cameras
● Portable
APPLICATIONS
©Copyright Agamem Microelectronics Inc. 1 2007/1/22 Agamem Microelectronics Inc. PRELIMINARY PIN DESCRIPTIONS Pin No. 1 2 3 4 5 6 7 8 Symbol IN SP VCC CTL P0 GND CLK ER I/O I — — I O — — O Output voltage feedback pin AA1700 Constant Current White LED driverDESCRIPTION
Soft start and short circuit protection setting Power supply pin ON/OFF control pin Output...
