SC483 controller equivalent, dual synchronous buck pseudo fixed frequency power supply controller.
Constant on-time for fast dynamic response Programmable VOUT range = 0.5
– VCCA VBAT Range = 1.8V
– 25V DC current sense using low-side RD.
Notebook computers CPT I/O supplies Handheld terminals and PDAs LCD monitors Network power supplies
5VSUS VBAT
D1 R1 RT.
Dual Synchronous Buck Pseudo Fixed Frequency Power Supply Controller
Features
Constant on-time for fast dynamic response Programmable VOUT range = 0.5
– VCCA VBAT Range = 1.8V
– 25V DC current sense using low-side RDS.
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