LT1573C Linear Technology, LT1573C Datasheet - Page 14

• Manufacturer Part Number: LT1573C
• Description: Low Dropout PNP Regulator Driver
• Manufacturer: Linear Technology

LT1573
TYPICAL APPLICATIO S
14
6V to 9V
C
0.5 F
3.3V
TIME
C
0.5 F
V
TIME
IN
V
IN
+
+
C
C
C
C
SHDN (ACTIVE HIGH) PIN SHOULD BE TIED TO GROUND IF IT IS NOT USED
IN
OUT1
OUT2
TIME
SHDN (ACTIVE HIGH) PIN SHOULD BE TIED TO GROUND IF IT IS NOT USED
C
C
TIME
= 22 F SURFACE MOUNT TANTALUM CAPACITOR
OUT
C
IN
= 0.5 F FOR 100ms TIME OUT AT ROOM TEMPERATURE
= 10 F SURFACE MOUNT CERAMIC CAPACITOR
= 15 F SURFACE MOUNT TANTALUM CAPACITOR
= 150 F (SANYO SURFACE MOUNT ELECTROLYTIC, 10V, PART #10CV150BS)
= 47 F (SANYO SURFACE MOUNT ELECTROLYTIC, 25V, PART #25CV47BS)
= 0.5 F FOR 100ms TIME OUT AT ROOM TEMPERATURE
FB
LATCH
SHDN
GND
U
OR 10 F LOW ESR TANTALUM CAPACITOR
OR 150 F (SANYO SURFACE MOUNT ELECTROLYTIC, 10V, PART #10CV150BS)
FB
LATCH
SHDN
GND
LT1573
5V/2A Output from 6V to 9V Wall Adapter Input
LT1573
COMP
DRIVE
V
OUT
COMP
DRIVE
V
3.3V to 2.5/2A Voltage Regulator
C
V
IN
IN
OUT
V
IN
+
+
1/2W
39
R
130
1/2W
D
C
R
IN
D
30pF
+
C
C
R
200
1/8W
B
C
R
200
1/8W
OUT1
B
1/8W
+
R
1k
C
+
Q
MOTOROLA
D45H11
OUT
C
MOTOROLA
D45H11
OUT2
C
OUT
R1
976
1/8W
R2
1k
1/8W
R2
1k
1/8W
R1
2.94k
1/8W
LOAD
LOAD
1573 TA02
V
5V
GND
V
2.5V
GND
OUT
1573 TA03
OUT