BCD Semiconductor Manufacturing Limited AP3211
The AP3211 is a 1.4MHz fixed frequency, current mode, PWM buck (step-down) DC-DC converter, capable of driving a 1.5A load with high efficiency, excellent line and load regulation. The device integrates N-channel power MOSFET switch with low on-resistance. This feature greatly simplifies the design of switch-mode power supplies.| Part No. | AP3211 |
|---|---|
| Datasheet | AP3211 Download |
| Manufacturer |  BCD Semiconductor Manufacturing Limited |
| Description | 1.5A ASYNCHRONOUS DC-DC BUCK CONVERTER |
| Buy | Stock & Price |
GENERAL DESCRIPTION
Current mode control provides fast transient response and cycle-by-cycle current limit. A standard series of inductors are available from several different manufacturers optimized for use with the AP3211. The AP3211 is available in SOT-23-6 package.FEATURES
● Input Voltage Range: 4.5V to 18V● Output Voltage Adjustable from 0.81V to 15V
● Fixed 1.4MHz Frequency
● High Efficiency: up to 92%
● Output Current: 1.5A
● Current Mode Control
● Built-in Over Current Protection
● Built-in Thermal Shutdown Function
● Built-in UVLO Function
● Built-in Over Voltage Protection
● Built-in Soft-start
APPLICATIONS
● LCD TV● DPF
● Portable DVD SOT-23-6 Apr. 2013 Rev. 1. 4 Figure 1. Package Type of AP3211 BCD Semiconductor Manufacturing Limited 1 Data Sheet 1.4MHz, 1.5A ASYNCHRONOUS DC-DC BUCK CONVERTER AP3211 Pin Configuration K Package (SOT-23-6) Pin 1 Mark BS 1 GND 2 FB 3 6 SW 5 IN 4 EN Figure 2. Pin Configuration of AP3211 (Top View) Pin
DESCRIPTION
Pin Number Pin Name 1 BS 2 GND 3 FB 4 EN 5 IN 6 SW Function Bootstrap pin.
