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AT73C203 Datasheet(PDF) 2 Page - ATMEL Corporation

Part No. AT73C203
Description  Power Management IC for Datacom Platforms
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Maker  ATMEL [ATMEL Corporation]
Homepage  http://www.atmel.com
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AT73C203
2742BS–PMGMT–03/04
Functional Diagram
Figure 1. AT73C203 Functional Diagram
Stand Alone
LDO Regulator
Digital Control
Serial Interface
8-bit ADC
Measurement
Bridge
Temperature
Sensor
Battery
Charger
Power
Switch
Internal 900 kHZ Oscillator
Very Low Temperature Shift
Clock Distributor
Power Management
State Machine
ISO 7816 UART
Internal Voltage
Reference
SIM
Level Shifter
SIM LDO
1.8 V/2.8 V/10 mA
DC-DC Converter
Boost - LDO 3.3V
(3 V to 5.4 V)/520 mA
DC-DC
Converter Buck
1.8 V
(1.7 V to 2.6 V)/1.2 A
DC-DC
Converter Buck
1.2 V
(1 V to 1.8 V)/1.2 A
DC-DC
Converter Buck
0.9 V
(0.87 V to 1.2 V)/1.2 A



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