BL8519 Description
BL8519 is a current mode PWM step-down DC-DC converter that has an internal 2A power switch. It has a wide input voltage range of 3.6V to 20V, which make it suitable for regulating a wide variety of power sources. BL8519 is made up of a PWM control circuit, a reference voltage unit, an error amplifier, a protection circuit, Chip Enable circuit, and under voltage lockout circuit.
BL8519 Key Features
- Range of Input Voltage: 3.6V~20V
- Built-in 90mΩ Power MOSFET
- <5µA Shutdown Current
- Oscillation Frequency: 500KHz
- High efficiency: 90%
- 2.5A Peak Current Limit Cycle by
- Operating Temperature Range: -40℃
- Demo Board Available
BL8519 Applications
- Power source for portable munication equipment, cameras, video instruments such as VCRs, camcorders
- Power source for battery-powered equipment
- Power source for household electrical appliance