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 Compensation Circuit
500μs Soft Start Period
160 Built-in Thermal Shutdown Protection
General Description
The AAT7358/7358A/7358B/7358C 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 AAT7358/7358A/7358B/7358C device provides 80% efficiency under light load operation and up to 90% efficiency during heavy load condition.
The featured input voltage range of AAT7358/7358A/7358B/7358C provides flexibility for different applications.
The AAT7358/7358A/7358B/7358C is implemented in a 5-pin SOT23-5 /TSOT23-5 package.
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