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AP1520
PWM Control 2A Step-Down Converter Features
- Input voltage: 3.
6V to 23V.
- Output voltage: 0.
8V to VCC.
- Duty ratio: 0% to 100% PWM control - Oscillation frequency: 300KHz typ.
- Soft-start, Current Limit, Enable function - Thermal Shutdown function - Built-in internal SW P-channel MOS - SOP-8L Pb-Free Package.
General Description
AP1520 consists of step-down switching
regulator with PWM control.
These devices include a reference voltage source, oscillation circuit, error amplifier, internal PMOS and etc.
AP1520 provides low-ripple power, high efficiency, and excellent transient characteristics.
The PWM control circuit is able to vary the duty ratio linearl...