LP6483S中文资料340KHz, 36V/3A Step-down Converter With Soft-Start数据手册LPSemi规格书

描述 Description

The LP6483S contains an independent 340KHz constant frequency, current mode, PWM step-down converters. The converter integrates a main switch and a synchronous rectifier for high efficiency without an external Schottky diode. The converter can supply 3000mA of load current from a 4.5V to 36V input voltage. The output voltage can be regulated as low as 0.923V. The LP6483S can also run at 90% duty cycle for low dropout applications. The LP6483S is available in a ESOP8 package and is rated over the -40℃ to 85℃ temperature range.

特性 Features

· Input Voltage Range: 4.5V to 36V
· Output Voltage Range: 0.923V to 12V
· 3000mA Load Current on Channel
· Up to 95% Efficiency
· 90% Duty Cycle in Dropout
· <1uA Shutdown Current
· 340KHz Switching Frequency
· Soft star Function
· Short Circuit Protection
· Current Mode Operation
· Thermal Fault Protection
· ESOP-8 Package
· RoHS Compliant and 100% Lead (Pb)-Free

应用 Application

· Portable Media Players
· Cellular and Smart mobile phone
· PDA/DSC
· GPS Applications