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TC1303A Datasheet(PDF) 3 Page - Microchip Technology

Part No. TC1303A
Description  500 mA Synchronous Buck Regulator, 300 mA LDO with Power-Good Output
Download  36 Pages
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Maker  MICROCHIP [Microchip Technology]
Homepage  http://www.microchip.com
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TC1303A Datasheet(HTML) 3 Page - Microchip Technology

 
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© 2005 Microchip Technology Inc.
DS21949B-page 3
TC1303A/TC1303B/TC1303C/TC1304
Functional Block Diagram – TC1303
Synchronous Buck Regulator
NDRV
PDRV
PGND
VIN1
LX
Driver
PGND
Control
VOUT1/VFB1
VIN2
SHDN1
PG
VREF
LDO
VOUT2
AGND
AGND
PGND
Undervoltage Lockout
UVLO
UVLO
SHDN2
VREF
TC1303A(1),B(2),C(1) options
PG Generator with Delay
(UVLO)
Sense LDO for B,C
Sense Switcher for A,C
Note 1: PG open-drain for A,C options
2: PG push-pull output for B option


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