PF7700A Overview
The PF7700A and PF7703A are the 2nd generation products of PF7700 and PF7703. pared with PF7700 and PF7703, the voltage rating of integrated current sources is improved to 70V and the GM circuit is also modified to minimize the required value of external pensation capacitor. By using PF7700A and PF7703A, PCB layout and the protection functions, including open LED lamp protection, short LED lamp protection, and over...
PF7700A Key Features
- patible with AC/DC or DC/DC Power Stage
- Current Drive of LED String Up to 240mA (1)
- Integrated 70V MOSFET
- Expandable for Driving Different Size of Panels
- PWM Dimming
- Programmable Sinking Current
- SLP (Short LED Lamp Protection)
- OLP (Open LED Lamp Protection)
- OTP (Over Temperature Protection)
- Support Local Dimming Control
PF7700A Applications
- LED Backlight Driver for LCD TV/Monitor