BCD Semiconductor Manufacturing Limited AP3407A
The AP3407/A is a 1.4MHz fixed frequency, current mode, PWM synchronous buck (step-down) DC-DC converter, capable of driving a 1.2A 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. | AP3407A |
|---|---|
| Datasheet | AP3407A 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 AP3407/A. This feature greatly simplifies the design of switch-mode power supplies. The AP3407/A is available in SOT-23-5.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: 1.2A
● 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
● Datacom● Portable Device
● Smart Phone Dec. 2011 Rev. 1. 3 SOT-23-5 Figure 1. Package Type of AP3407/A BCD Semiconductor Manufacturing Limited 1 Data Sheet 1.2A, 1.4MHz High Efficiency Synchronous DC-DC Buck Converter AP3407/A Pin Configuration K Package (SOT-23-5) EN 1 GND 2 SW 3 5 FB 4 VIN VIN 1 GND 2 EN 3 5 SW 4 FB (For AP3407) (For AP3407A) Figure 2. Pi...
