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TC573002

Microchip Technology
Part Number TC573002
Manufacturer Microchip Technology
Description (TC572502/3002/3302) Line Regulator Controller
Published Nov 7, 2005
Detailed Description TC57 Line Regulator Controller Features • Low Dropout Voltage: 100mV @ 650mA with FZT749 PNP Transistor • 2.7V to 8V Sup...
Datasheet PDF File TC573002 PDF File

TC573002
TC573002

Overview
TC57 Line Regulator Controller Features • Low Dropout Voltage: 100mV @ 650mA with FZT749 PNP Transistor • 2.
7V to 8V Supply Range • Low Operating Current: 50µA Operating, 0.
2µA Shutdown • Low True Chip Enable • Output Accuracy < ±2% • Small Package: 5-Pin SOT-23A General Description The TC57 is a low dropout regulator controller that operates with an external PNP pass transistor, allowing the user to tailor the LDO characteristics to suit the application at hand.
This results in lower dropout operation (and often lower cost) compared with traditional linear regulators with on-board pass transistors.
The maximum output current of a TC57based regulator circuit is limited only by the characteristics of the external pass transistor.
For example, a maximum output current of 650mA (with a dropout voltage of 100mV) results when an FZT749 pass transistor is used, while a Darlington configuration can deliver up to 4A.
Flexibility, and superior performance make this family of regulator controll...


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