PL5501
Features
- Buck-Boost Controller for Step-Up/Step-Down DC/DC Conversion
- Dynamical programming of Output current and Output voltage using PWM signal or analog signal
- 2V to 32 V wide output range
- prehensive protection features including
Output Short Protection (OSP), Cycle-by-Cycle input and output Peak Current Limit, thermal regulation, thermal shutdown, input UVLO, input OVP, output OVP etc.
- Adjustable Switching Frequency using resistor
- Frequency dithering for good EMI performance
- Integrated 2-A MOSFET Gate Drivers
- Input or Output Average Current Limiting with stable CC loop
- 5V/55m A low Iq LDO to power system MCU
- Available in QFN4x4-32 Package
2 Applications
- Automotive Start-Stop Systems
- Industrial PC Power Supplies
- USB Power Delivery
- Car charger
- HUB Power
3 Description
PL5501 is a synchronous 4-switch Buck-Boost controller capable of regulating the output voltage at above or below the input voltage. PL5501 operates over a wide input voltage range of 3.6 V...