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Block Diagram
Figure 1. AT73C212 Block Diagram
AT73C212
Internal
DC - DC Buck
High Accuracy
Oscillator
1.9V or 2.5V
300 mA
VOUT0
C REF
Internal
Voltage
Reference
LDO1
2.8V
80 mA
VOUT1
High Power/Low Power
LDO2
2.7V or 2.8V
VOUT2
DM
130 mA
DV
LDO3
2.8V
130 mA
LDO4
2.8V
130 mA
VOUT3
VOUT4
Main Battery
LDO5
1.8V or 2.8V
10 mA
VOUT5
V BAT
Absolute Maximum Ratings
High Power/Low Power
Storage Temperature ..................................... -55 ° C to +150 ° C
Operating Temperature.................................... -40 ° C to +85 ° C
Power Supply Input..............................................-0.3V to 5.5V
IO Input (all except power supply) ......................... -0.3 to 2.8V
AT73C212
2
*NOTICE:
Stresses beyond those listed under “Absolute
Maximum Ratings” may cause permanent dam-
age to the device. This is a stress rating only and
functional operation of the device at these or
other conditions beyond those indicated in the
operational sections of this specification is not
implied. Exposure to absolute maximum rating
conditions for extended periods may affect
device reliability.
2743A–PMGMT–05/04
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