APW8868B Overview
Representative APW8868B image (package may vary by manufacturer)
Description
The APW8868B integrates a synchronous buck PWM controller 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 3V to 28V Input Power
- Provide Adjustable Output Voltage from 0.675V to 5.5V +1% Accuracy over Temperature
- Integrated MOSFET Drivers and Bootstrap Forward P-CH MOSFET
- Low Quiescent Current (200µA)
- Excellent Line and 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
