AAT7358
AAT7358 is SYNCHRONOUS SWITCHING BUCK REGULATOR manufactured by Advanced Analog Technology.
Advanced Analog Technology, Inc.
August 2011
AAT7358/AAT7358A/AAT7358B/AAT7358C
Product information presented is current as of publication date. Details are subject to change without notice.
1.8MHZ,1A,SYNCHRONOUS SWITCHING BUCK REGULATOR
Features
- Up to 95% Efficiency
- 2.5V to 5.5V Input Voltage Range
- 1.8MHz Switching Frequency
- 25μA Ultra Low Sleep Mode Quiescent
- <1μA Shutdown Current
- Internal pensation Circuit
- 500μs Soft Start Period
- 160 C Built-in Thermal Shutdown Protection
APPLICATIONS
- Portable Navigation Device
- Digital Photo Frame
- Digital Still Camera
- E-Book
GENERAL DESCRIPTION
The AAT7358/ AAT7358A/ AAT7358B/ AAT7358C device is a 1.8MHz, high efficiency, synchronous buck regulator incorporating both Light Load Mode and PWM mode operation. With an automatic Light Load Mode / PWM mode switching mechanism, the AAT7358/ AAT7358A/ AAT7358B/ AAT7358C device provides 80% efficiency under light load operation and up to 90% efficiency during heavy load condition. The featured input voltage range of AAT7358/ AAT7358A/ AAT7358B/ AAT7358C provides flexibility for different applications. The AAT7358/ AAT7358A/ AAT7358B/ AAT7358C is implemented in a 5-pin SOT23-5 /TSOT23-5 package.
PIN CONFIGURATION
1 CNTRL
FB 5
1 CNTRL
OUT 5
2 GND
2 GND
3 SW
VIN...
