LT1573C View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LT1573C' PDF : 16 Pages View PDF
LT1573
TYPICAL APPLICATIO S
3.3V to 2.5/2A Voltage Regulator
LT1573
FB
COMP
CC
RC
30pF
1k
1/8W
+
CTIME
0.5µF
VIN
3.3V
LATCH
SHDN
GND
VOUT
VIN
DRIVE
RD
39Ω
1/2W
RB
200Ω
1/8W
QOUT
MOTOROLA
D45H11
+
CIN
+
+
COUT1
COUT2
R1
976Ω
1/8W
R2
1k
1/8W
CIN = 22µF SURFACE MOUNT TANTALUM CAPACITOR
COUT1 = 10µF SURFACE MOUNT CERAMIC CAPACITOR
COUT2 = 15µF SURFACE MOUNT TANTALUM CAPACITOR
CTIME = 0.5µF FOR 100ms TIME OUT AT ROOM TEMPERATURE
SHDN (ACTIVE HIGH) PIN SHOULD BE TIED TO GROUND IF IT IS NOT USED
VOUT
2.5V
LOAD
GND
1573 TA02
14
5V/2A Output from 6V to 9V Wall Adapter Input
LT1573
FB
COMP
+
CTIME
0.5µF
VIN
6V to 9V
LATCH
SHDN
VOUT
VIN
GND
DRIVE
RD
130Ω
1/2W
RB
200Ω
1/8W
MOTOROLA
D45H11
+
CIN
+
COUT
R1
2.94k
1/8W
R2
1k
1/8W
LOAD
CIN = 150µF (SANYO SURFACE MOUNT ELECTROLYTIC, 10V, PART #10CV150BS)
OR 10µF LOW ESR TANTALUM CAPACITOR
COUT = 47µF (SANYO SURFACE MOUNT ELECTROLYTIC, 25V, PART #25CV47BS)
OR 150µF (SANYO SURFACE MOUNT ELECTROLYTIC, 10V, PART #10CV150BS)
CTIME = 0.5µF FOR 100ms TIME OUT AT ROOM TEMPERATURE
SHDN (ACTIVE HIGH) PIN SHOULD BE TIED TO GROUND IF IT IS NOT USED
VOUT
5V
GND
1573 TA03
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