LTC1472 Linear Technology, LTC1472 Datasheet - Page 14

• Manufacturer Part Number: LTC1472
• Description: Protected PCMCIA VCC and VPP Switching Matrix
• Manufacturer: Linear Technology

LTC1472
TYPICAL APPLICATIONS
14
(MAY BE FROM
*13V TO 20V
AUXILIARY
WINDING)
*SEE THE LTC1142 DATA SHEET FOR AN EXAMPLE OF A 3.3V/5V DUAL REGULATOR WITH AUXILIARY WINDING 15V OUTPUT
+
3.3V
CL-PD6710
5V
VPP_PGM
Using the LT1121 Powered from an Auxiliary Winding for 12V VPP Power
VPP_V
10 F
10V
V
V
CC
2N7002
CC
CC
_3
_5
0.1 F
0.1 F
U
5V
Single Protected PCMCIA Power Management System
100k
5
SHDN
PGND
5V
V
VPP EN0
VPP EN1
V
V
3V
DD
CC
CC
IN
IN
IN
GND
6, 7
8
EN0
EN1
LT1121CS8
LTC1472
3V
IN
V
V
GND
VPP
CC(OUT)
CC(OUT)
V
SHDN
VPP
GND
CC(IN)
OUT
ADJ
OUT
3
IN
1
2
10k
200pF
+
0V, V
0.1 F
0.1 F
1 F
TANT
121k
56.2k
OFF, 3.3V, 5V
CC
, 12V, Hi-Z
+
12V
1 F
TANT
VPP1
VPP2
V
V
CARD SLOT
CC
CC
PCMCIA
LTC1472 TA04