NCP1587A Description
Symbol Description 1 BST Supply rail for the floating top gate driver. To form a boost circuit, use an external diode to bring the desired input voltage to this pin (cathode connected to BST pin). Connect a capacitor (CBST) between this pin and the PHASE pin.
NCP1587A Key Features
- Input Voltage Range from 4.5 to 13.2 V
- 275 kHz (NCP1587) and 200 kHz (NCP1587A) Internal Oscillator
- Boost Pin Operates to 30 V
- Voltage Mode PWM Control
- 0.8 V ±1.0 % Internal Reference Voltage
- Adjustable Output Voltage
- Capacitor Programmable Soft-Start
- Internal 1 A Gate Drivers
- 80% Max Duty Cycle
- Input Under Voltage Lockout