BCD Semiconductor Manufacturing Limited AP3503E
The AP3503E is a 340kHz fixed frequency, current mode, PWM synchronous buck (step-down) DC-DC converter, capable of driving a 3A load with high efficiency, excellent line and load regulation. The AP3503E exhibits high efficiency at light load. The device integrates N-channel power MOSFET switches with low on-resistance.| Part No. | AP3503E |
|---|---|
| Datasheet | AP3503E Download |
| Manufacturer |  BCD Semiconductor Manufacturing Limited |
| Description | 3A Synchronous DC-DC Buck Converter |
| Buy | Stock & Price |
GENERAL DESCRIPTION
Current mode control provides fast transient response and cycle-by-cycle current limit. The AP3503E employs complete protection to ensure system security. Including output Over Voltage Protection, input Under Voltage Lock Out, programmable Soft Start, Over Temperature Protection and hiccup mode Short Circuit Protection. This IC is available in PSOP-8 package.FEATURES
● Input Voltage Range: 4.5V to 18V● Fixed 340kHz Frequency
● High Efficiency at Light Load
● High Efficiency: up to 95%
● Output Current: 3A
● Current Mode Control
● Built-in Over Current Protection
● Built-in Thermal Shutdown Function
● Built-in UVLO Function
● Built-in Over Voltage Protection
● Programmable Soft-start
● Hiccup Mode SCP
APPLICATIONS
● LCD TV● Set Top Box
● Portable DVD
● Digital Photo Frame May. 2012 Rev. 1. 6 PSOP-8 Figure 1. Package Type of AP3503E BCD Semiconductor Manufacturing Limited 1 Preliminary Datasheet 340kHz, 3A Synchronous DC-DC Buck Converter AP3503E Pin Configuration MP Package (PSOP-8) 18 27 36 45 Pin
DESCRIPTION
Figure 2.
