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TC1303B Datasheet(PDF) 3 Page - Microchip Technology

Part No. TC1303B
Description  500 mA Synchronous Buck Regulator, 300 mA LDO with Power-Good Output
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Maker  MICROCHIP [Microchip Technology]
Homepage  http://www.microchip.com
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TC1303B Datasheet(HTML) 3 Page - Microchip Technology

 
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© 2005 Microchip Technology Inc.
DS21949A-page 3
TC1303B
Typical Application Circuits
10-Lead DFN
1
2
6
8
7
9
10
5
4
3
SHDN2
VIN2
VOUT2
AGND
PGND
LX
VIN1
SHDN1
VOUT1
PG
4.7 µF
Processor
RESET
Input
Voltage
4.7 µH
4.7 µF
2.1V @
1µF
3.3V @
4.5V to 5.5V
Adjustable Output Application
121 k
Ω
200 k
Ω 4.99 kΩ
33 pF
1
2
6
8
7
9
10
5
4
3
SHDN2
VIN2
VOUT2
AGND
PGND
LX
VIN1
SHDN1
VOUT1
PG
4.7 µF
Processor
RESET
4.7µH
4.7 µF
1.5V @ 500 mA
1µF
2.5V @ 300 mA
2.7V to 4.2V
TC1303B
VOUT1
VOUT2
VIN
VOUT1
VOUT2
1.0 µF
*Optional
Capacitor
VIN2
300 mA
500 mA
Note: Connect DFN package exposed pad to AGND.
10-Lead MSOP
Fixed Output Application
TC1303B
Note


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