PAM2308 数据手册 ( 数据表 ) - Power Analog Micoelectronics

General Description
   The PAM2308 is a dual step-down current-mode, DC-DC converter. At heavy load, the constant-frequency PWM control performs excellent stability and transient response. To ensure the longest battery life in portable applications, the PAM2308 provides a power-saving Pulse-Skipping Modulation (PSM) mode to reduce quiescent current under light load operation.

FEATUREs
◾ Efficiency up to 96%
◾ Only 40μA(Typ. per Channel) Quiescent
   Current
◾ Output Current: Up to 1A per Channel
◾ Internal Synchronous Rectifier
◾ 1.5MHz Switching Frequency
◾ Soft Start
◾ Under-Voltage Lockout
◾ Short Circuit Protection
◾ Thermal Shutdown
◾ Small 10L WDFN 3x3
   Packages
◾ Pb-Free Package and RoHS Compliant

APPLICATIONs
◾ Cellular Phone
◾ Portable Electronics
◾ Personal Information Appliances
◾ Wireless and DSL Modems
◾ MP3 Players