器件名称: ADT7350
功能描述: a step-down converter with integrated switching MOSFET
文件大小: 338.49KB 共9页
简 介:ADT7350
General Description
The ADT7350 is a step-down converter with integrated switching MOSFET. It operates wide input supply voltage range from 4.5V to 24V with 1.2A peak output current. It includes current limiting protection and thermal shutdown. It reduces design complexity and external component count. The ADT7350 is available in small outline SOT23-6L package.
Package outline of the ADT7350
Features
Current mode buck regulator with 1.4MHz fixed frequency Input voltage range : 4.5V to 24V Adjustable output range : 0.81V to 15V Max. output current : 1.2A Up to 92% Efficiency Internal Soft-Start Function Integrated Power MOSFET switch : 400m Thermal shutdown & current limit protection SOT23-6L package
Applications
Distributed Power Systems Surveillance Camera module Navigation Infra-Red LED Drivers
Typical Application Circuit
CB 1
BST
SW
6 L1 D1 C2 R1
VOUT
U1
2
GND
5
VIN
C1
VIN
R2
3
FB
EN
4
EN
* This specifications are subject to be changed without notice
Sep. 9. 2010 / Rev. 0.0
1/9
http://www.ad-tech.co.kr
ADT7350
Part List
Component U1 D1 L1 C2 C1 CB R1 R2 IC Schottky barrier diode Chip inductor MLCC MLCC MLCC Chip resistor Chip resistor Type Value (Model) ADT7350 RSX101M-30 4.7uH / 1.6A 22 / 16V 10 / 50V 10 49.9 / 1% 16.2 / 1% Manufacturer ADTech ROHM TDK R1,R2 : VOUT 3.3V typical case
Pin Description
Pin No. 1 2 3 4 5 6 Name BST GND FB EN VIN SW Pin Description Bootstrap. This pin acts as the power supply for internal Power T……
