NCP3155A
Description
1 PGND The PGND pin is the high current ground pin for the lower MOSFET and drivers which should be soldered to a large copper area to reduce 2 VIN The VIN pin powers the internal control circuitry and is monitored by an undervoltage parator.
Key Features
- Input Voltage Range from 4.7 V to 24 V
- Adjustable Output Voltage
- 1 MHz Operation (NCP3155A - 500 kHz)
- Internally Programmed 1.2 ms Soft-Start (NCP3155A - 2.4 ms)
- 0.8 ± 1.0% Reference Voltage
- 48 mW HS-FET and 18 mW LS-FET
- Current Limit Protection
- Transconductance Amplifier with External pensation
- Input Undervoltage Lockout
- Output Overvoltage and Undervoltage Detection
Applications
- DVD Drives and HDD
