Datasheet Details
Part number:
RT6545B, RT6545A
Manufacturer:
Richtek
File Size:
258.16 KB
Description:
Dual-channel synchronous dc/dc step-down controller.
Note:
This datasheet PDF includes multiple part numbers: RT6545B, RT6545A.
Please refer to the document for exact specifications by model.
RT6545B, RT6545A, Dual-Channel Synchronous DC/DC Step-Down Controller
The RT6545A/B is a dual-channel step-down, controller generating supply voltages for battery-powered systems.
It includes two Pulse-Width Modulation (PWM) controllers adjustable from 2V to 5.5V, and two fixed 5V/3.3V linear regulators.
Each linear regulator provides up to 100mA output current and 3.
RT6545B Features
* include on-board power-up sequencing, a powergood output, internal soft-start, and soft-discharge output that prevents negative voltage during shutdown. A constant current ripple PWM control scheme operates without sense resistors and provides 100ns response to load transient. For maximizing power e
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