AAT1176B Overview
Description
The AAT1176B device provides a boost regulator, two regulated charge pumps, an operational amplifier, a high voltage switch for gate pulse modulation (GPM), and one open drain reset output, making the device ideal for powering TFT LCD panels. The current mode boost regulator provides a fast transient response supply voltage for the source driver ICs.
Key Features
- 2.5V to 5.5V Input Voltage Range
- Current Mode Boost Regulator Built-in 18V, 3A, 0.2Ω N-MOSFET 1.2MHz Fixed Switching Frequency Fast Load Transition Response
- Positive Charge Pump Regulator
- Negative Charge Pump Regulator
- High Voltage Switch with Gate Pulse Modulation Adjustable Power On Delay Time
- Operational Amplifier for VCOM Buffer ±200mA Short-Circuit Current 40V/μs Slew Rate
- RESET Adjustable Detecting Voltage N-Channel Open-Drain Output
- Soft Start and Power On Sequencing
- Protections Input Under-Voltage Lockout (UVLO) Over-Voltage Protection (OVP) Under Voltage Protection (UVP) Thermal Shutdown (OTP)
- VQFN24 4x4x0.9mm Package Available
