AT73C212 Summary - Mature

Features
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300 mA/1.9V/2.5V DC to DC Converter
80 mA/2.8V Dual-mode LDO Regulator (LDO1)
130 mA/2.7V/2.8V LDO Regulator (LDO2)
130 mA/2.8V LDO Regulator (LDO3)
130 mA/2.8V LDO Regulator (LDO4)
10 mA/1.8/2.8V Dual-mode LDO Regulator (LDO5)
Available in a 5 mm x 5 mm 32-pin QFN or 5 mm x 5 mm 32-ball BGA Package
Applications: Mobile Phones, Digital Cameras, PDAs, SmartPhones, DECT Phones,
Handset Devices
Description
The AT73C212 provides a power management solution for integration of multimedia
features in mid-level mobile phone handsets. These features may include a camera
module (CMOS or CCD), audio generators for a polyphonic or MP3 ringer, a co-processor for JPEG encoding and an external memory module.
Power
Management for
Mobiles (PM)
The AT73C212 contains six power supplies: five linear voltage regulators providing
output voltage from 1.8V to 2.8V and output current from 10 mA to 130 mA and a DC DC converter supplying 300 mA from 1.9V or 2.5V.
AT73C212
The device is available in two compact, space-saving package options: 32-ball BGA or
32-pin QFN.
Summary
2743AS–PMGMT–05/04
Note: This is a summary document. A complete document
is available on our Web site at www.atmel.com.
Block Diagram
Figure 1. AT73C212 Block Diagram
AT73C212
CREF
Internal
High Accuracy
Oscillator
DC - DC Buck
1.9V or 2.5V
300 mA
Internal
Voltage
Reference
LDO1
2.8V
80 mA
VOUT0
VOUT1
High Power/Low Power
DM
LDO2
2.7V or 2.8V
130 mA
VOUT2
LDO3
2.8V
130 mA
VOUT3
LDO4
2.8V
130 mA
VOUT4
DV
Main Battery
VBAT
2
LDO5
1.8V or 2.8V
10 mA
VOUT5
High Power/Low Power
AT73C212
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AT73C212
3
2743AS–PMGMT–05/04
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