APW8863A Overview
Description
The APW8863A integrates a synchronous buck PWM converter to generate VDDQ, a sourcing and sinking LDO linear regulator to generate VTT. It offers the lowest total solution cost in system where space is at a premium.
Key Features
- High Input Voltages Range from 4.5V to 21V Input Power
- Provide Adjustable Output Voltage from 0.9V to 2V
- Integrated MOSFET Drivers and Bootstrap For- ward P-CH MOSFET
- Low Quiescent Current (200uA)
- Excellent Load Transient Responses
- PFM Mode for Increased Light Load Efficiency
- Constant On-Time Controller Scheme
- Switching Frequency Compensation for PWM Mode
- Adjustable Switching Frequency from 400kHz to 550kHz in PWM Mode with DC Output Current
- S3 and S5 Pins Control The Device in S0, S3 or S4/ S5 State
