Microchip Technology TC1303BDM-DDBK1 Hoja De Datos
TC1303A/TC1303B/TC1303C/TC1304
DS21949C-page 4
© 2008 Microchip Technology Inc.
Functional Block Diagram – TC1304
Synchronous Buck Regulator
NDRV
PDRV
P
GND
V
IN1
L
X
Driver
P
GND
Control
V
OUT1
/V
FB1
V
IN2
SHDN
PG
V
REF
LDO
V
OUT2
A
GND
A
GND
P
GND
Undervoltage Lockout
UVLO
UVLO
V
REF
TC1304
(Note)
PG Generator with Delay
(UVLO)
Output Voltage
Sequencer ckt.
Sequencer ckt.
A
GND
Note:
PG open-drain for TC1304