LTC1470/LTC1471
TYPICAL APPLICATIONS
U
Dual Slot 3.3V/5V PCMCIA Controller with SafeSlot Current Limit
(Systems with No 12V Power Requirements)
3.3V
5V
0.1µF
A3V A3V B3V B3V
V
V
IN
IN
IN
IN
CC
A5V
B5V
PCMCIA
CARD SLOT
BOUT
IN
(OFF/3.3V/5V)
CC
0.1µF
BOUT
IN
+
+
1µF
TANT
10k
CL-PD6710
A_V _3
LTC1471
AEN0
AEN1
BEN0
BEN1
CC
A_V _5
CC
V
V
CC
B_V _3
CC
AOUT
AOUT
PCMCIA
CARD SLOT
(OFF/3.3V/5V)
CC
B_V _5
CC
GND
GND
1µF
TANT
10k
1470/71 TA02
Single Slot PCMCIA Controller with SafeSlot Current Limit
Protection Using LT1312 Single VPP Regulator/Driver
V
LOGIC
13V TO 20V*
51k
V
V
CC
S
VPP1
VPP_PGM
EN0
EN1 LT1312
VALID SENSE
VPP
OUT
+
VPP2
PCMCIA
CARD SLOT
1µF
VPP_V
CC
V
CC
VPP_VALID
GND
3.3V
5V
CIRRUS LOGIC
CL-PD6710
0.1µF
0.1µF
3V
3V
IN
IN
5V
IN
10k
LTC1470
GND
V
_5
_3
EN0
EN1
0UT
0UT
CC
V
CC
+
1µF
TANT
* FROM OVERWINDING ON 3.3V OR 5V INDUCTOR IN SYSTEM POWER SUPPLY.
SEE FIGURES 3, 4 FOR FURTHER DETAIL
1470/71 TA03
10