BCD Semiconductor Manufacturing Limited AP3612
The AP3612 is a high efficiency boost controller with 12-string current sources for driving WLED backlight. It operates over a wide input voltage range from 4.5V to 33V. The current of 12 strings are simply programmed from 20mA to 75mA with an external resistor.| Part No. | AP3612 |
|---|---|
| Datasheet | AP3612 Download |
| Manufacturer |  BCD Semiconductor Manufacturing Limited |
| Description | Boost Type LED Driver |
| Buy | Stock & Price |
GENERAL DESCRIPTION
The current matching between each string is 1.5% (Typ). Its operating frequency can be adjusted from 0.1MHz to 1MHz. The AP3612 features Cycle-by-cycle Current Limit, Soft Start, Under Voltage Lock Out (UVLO) protection, programmable OVP, Over Temperature Protection (OTP), open/short LED protection, VOUT short protection and Schottky diode short-circuit protection. The AP3612 is available in HSOP-28 and SOIC-24 packages.FEATURES
● Input Voltage Range: 4.5V to 33V● Drives up to 12 Strings in Parallel, 75mA per String
● Programmable WLED Current from 20mA to 75mA
● Adjustable Operating Frequency: 100kHz to 1MHz
● String-to-string Current Matching Accuracy: 1.5%
● Built-in OCP, OTP, UVLO
● External PWM Dimming
● Open/Short LED Protection
● Programmable Soft Start
● Programmable OVP
● Schottky Diode/Inductor Short-circuit Protection
● VOUT Short/Schottky Diode Open Protection
APPLICATIONS
● LCD Monitor● LCD Display Module
● LCD TV HSOP-28 SOIC-24 Aug. 2012 Rev. 1. 1 Figure 1.
