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| TC1301A_08 Datasheet, PDF (2/28 Pages) Microchip Technology – Dual LDO with Microcontroller RESET Function | |||
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TC1301A/B
Functional Block Diagrams
TC1301A
VIN
LDO #1
300 mA
VOUT1
VIN
SHDN1
TC1301B
LDO #1
300 mA
SHDN2
LDO #2
150 mA
VOUT2
SHDN2
LDO #2
150 mA
GND
Bypass
VDET
Bandgap
Reference
1.2V
VDET
GND
Bypass
Threshold
Detector
Time Delay
300 ms, typ
RESET
Bandgap
Reference
1.2V
Threshold Time Delay
Detector 300 ms typ
VOUT1
VOUT2
RESET
Typical Application Circuits
System RESET
2.8V @ 300 mA
COUT1
1 µF Ceramic
X5R
CBYPASS(Note)
10 nF Ceramic
TC1301A
1 RESET VDET 8
2 VOUT1
3 GND
VIN 7
BATTERY
VOUT2 6 2.6V @ 150 mA
CIN
1 µF
4 Bypass SHDN2 5
COUT2
1 µF Ceramic
X5R
ON/OFF Control VOUT2
2.7V
to
4.2V
System RESET
2.8V @ 300 mA
COUT1
1 µF Ceramic
X5R
ON/OFF Control VOUT1
TC1301B
1 RESET SHDN1 8
2 VOUT1
3 GND
VIN 7
VOUT2 6 2.6V @ 150 mA
BATTERY
CIN
1 µF
4 Bypass SHDN2 5
COUT2
1 µF Ceramic
X5R
2.7V
to
4.2V
Note: CBYPASS is optional
ON/OFF Control VOUT2
DS21798C-page 2
© 2008 Microchip Technology Inc.
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