Datasheet
4
LTC1472
1472fa
TYPICAL PERFORMANCE CHARACTERISTICS
U
W
5V
IN
Supply Current (5V ON) 5V
IN
Supply Current (3.3V ON)
5V Switch Resistance3V
IN
Supply Current (3.3V ON)3V
IN
Supply Current (OFF)
3.3V Switch Resistance
Inrush Current (3.3V Switch)Inrush Current (5V Switch)
5V
IN
Supply Current (OFF)
5V
IN
SUPPLY VOLTAGE (V)
0
–1
5V
IN
SUPPLY CURRENT (µA)
0
1
2
3
5
1
234
LTC1472 TPC01
56
4
T
A
= 25°C V
CC(OUT)
PROGRAMMED TO OFF
5V
IN
SUPPLY VOLTAGE (V)
0
0
5V
IN
SUPPLY CURRENT (µA)
50
100
150
200
300
1
234
LTC1472 TPC02
56
250
T
A
= 25°C V
CC(OUT)
PROGRAMMED
TO 5V, NO LOAD
3V
IN
SUPPLY VOLTAGE (V)
0
–1
3V
IN
SUPPLY CURRENT (µA)
0
1
2
3
12
3
4
LTC1472 TPC04
4
5
T
A
= 25°C OUTPUT
PROGRAMMED TO OFF
3V
IN
SUPPLY VOLTAGE (V)
0
0
3V
IN
SUPPLY CURRENT (µA)
20
40
60
80
12
3
4
LTC1472 TPC05
100
120
T
A
= 25°C V
CC(OUT)
PROGRAMMED TO
3.3V, NO LOAD
TIME (ms)
–0.2
INRUSH CURRENT (A)OUTPUT VOLTAGE (V)
0
1
1.4
LTC1472 TPC09
6
4
0
0.2
0.6
1.0
2
3
2
0
0.4
0.8
1.2
C
OUT
= 150µF
R
OUT
= 6.6Ω
C
OUT
= 150µF
R
OUT
= 6.6Ω
C
OUT
= 15µF
R
OUT
= 6.6Ω
T
J
= 25°C
JUNCTION TEMPERATURE (°C)
0
0
3.3V SWITCH RESISTANCE (Ω)
0.05
0.10
0.15
0.20
0.25
0.30
25 50 75 100
LT1472 TPC07
125
V
CC(OUT)
PROGRAMMED
TO 3.3V
TIME (ms)
–0.2
INRUSH CURRENT (A)OUTPUT VOLTAGE (V)
0
1
1.4
LTC1472 TPC08
6
4
0
0.2
0.6
1.0
2
3
2
0
0.4
0.8
1.2
C
OUT
= 150µF
R
OUT
= 10Ω
C
OUT
= 15µF
R
OUT
= 10Ω
T
J
= 25°C
CURRENT
LIMITED
5V
IN
SUPPLY VOLTAGE (V)
0
0
5V
IN
SUPPLY CURRENT (µA)
50
100
150
200
300
1
234
LTC1472 TPC03
56
250
T
A
= 25°C V
CC(OUT)
PROGRAMMED
TO 3.3V, NO LOAD
JUNCTION TEMPERATURE (°C)
0
0
5V SWITCH RESISTANCE (Ω)
0.05
0.10
0.15
0.20
0.25
0.30
25 50 75 100
LT1472 TPC06
125
V
CC(OUT)
PROGRAMMED
TO 5V
(V
CC
Section) VPP EN0 = VPP EN1 = 0V