BCD Semiconductor Manufacturing Limited AP3417A
The AP3417A is a 1.4MHz fixed frequency, current mode, PWM synchronous buck (step-down) DC-DC converter, capable of driving a 1A load with high efficiency, excellent line and load regulation. The device integrates synchronous P-channel and N-channel power MOSFET switches with low on-resistance. It is ideal for powering portable equipment that runs from a single Li-ion battery.| Part No. | AP3417A |
|---|---|
| Datasheet | AP3417A Download |
| Manufacturer |  BCD Semiconductor Manufacturing Limited |
| Description | 1.4MHz High Efficiency Synchronous DC-DC Buck Converter |
| Buy | Stock & Price |
GENERAL DESCRIPTION
A standard series of inductors are available from several different manufacturers optimized for use with the AP3417A. This feature greatly simplifies the design of switch-mode power supplies. The AP3417A is available in SOT-23-5 package.FEATURES
● Input Voltage Range: 2.5V to 5.5V● Output Voltage: 0.6V to VIN
● ADJ Output
● Fixed 1.4MHz Frequency
● High Efficiency up to 95%
● Output Current: 1A
● Current Mode Control
● 100% Duty Cycle in Dropout
● Built-in Over Current Protection
● Built-in Short Circuit Protection
● Built-in Thermal Shutdown Protection
● Built-in UVLO Function
● Built-in Soft-start
APPLICATIONS
● Set-top Box● Datacom
● Portable Device
● Smart Phone Aug. 2012 Rev. 1. 2 SOT-23-5 Figure 1. Package Type of AP3417A BCD Semiconductor Manufacturing Limited 1 Data Sheet 1A, 1.4MHz High Efficiency Synchronous DC-DC Buck Converter AP3417A Pin Configuration K Package (SOT-23-5) EN 1 GND 2 SW 3 5 FB 4 VIN Figure 2. Pin Configuration of AP3417A (Top View) Pin
DESCRIPTION
Pin Number 1 2 3 4 5 Pin Name EN GND SW VIN FB Function Control input pin.
