LTC1470/LTC1471
ABSOLUTE
MAXIMUM
RATINGS
3.3V Supply Voltage (Note 1) .................................. 7V
5V Supply Voltage (Note1) ....................................... 7V
Enable Input Voltage ........................ 7V to (GND – 0.3V)
Output Voltage (OFF) (Note 1) ......... 7V to (GND – 0.3V)
Output Short-Circuit Duration .......................... Indefinite
Operating Temperature ............................... 0°C to 70°C
Junction Temperature .......................................... 100°C
Storage Temperature Range ................ –65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
PACKAGE/ORDER INFORMATION
ORDER PART
NUMBER
TOP VIEW
OUT 1
5V
IN
2
EN1 3
EN0 4
8
7
6
5
OUT
3V
IN
3V
IN
GND
LTC1470CS8
S8 PART MARKING
1470
S8 PACKAGE
8-LEAD PLASTIC SO
T
JMAX
= 100°C,
θ
JA
= 150°C/W
Consult factory for Industrial and Military grade parts.
ELECTRICAL CHARACTERISTICS
SYMBOL
3V
IN
5V
IN
I
3VIN
PARAMETER
3.3V Supply Voltage Range
5V Supply Voltage Range
3.3V Supply Current
3V
IN
= 3.3V, 5V
IN
= 5V (Note 2), T
A
= 25°C, unless otherwise noted.
MIN
2.70
4.75
TYP
MAX
3.60
5.25
0.01
40
0.01
0.01
100
140
0.12
0.14
q
CONDITIONS
Program to Hi-Z (Note 3)
Program to 3.3V, No Load (Note 3)
Program to 5V, No Load (Note 3)
Program to Hi-Z (Note 3)
Program to 3.3V (Note 3)
Program to 5V (Note 3)
Program to 3.3V, I
OUT
= 500mA
Program to 5V, I
OUT
= 500mA
Program to Hi-Z, 0V
≤
V
OUT
≤
5V (Note 3)
Program to 3.3V, V
OUT
= 0V (Note 4)
Program to 5V, V
OUT
= 0V (Note 4)
I
5VIN
5V Supply Current
R
ON
I
LKG
I
LIM3V
I
LIM5V
V
ENH
V
ENL
I
EN
3.3V Switch ON Resistance
5V Switch ON Resistance
Output Leakage Current OFF
3.3V Current Limit
5V Current Limit
Enable Input High Voltage
Enable Input Low Voltage
Enable Input Current
0V
≤
V
EN
≤
5V
2
U
U
W
W W
U
W
TOP VIEW
AOUT 1
A5V
IN
2
AEN1 3
AEN0 4
GND 5
B3V
IN
6
B3V
IN
7
BOUT 8
16 AOUT
15 A3V
IN
14 A3V
IN
13 GND
12 BEN0
11 BEN1
10 B5V
IN
9
BOUT
ORDER PART
NUMBER
LTC1471CS
S PACKAGE
16-LEAD PLASTIC SO
T
JMAX
= 100°C,
θ
JA
= 100°C/W
UNITS
V
V
µA
µA
µA
µA
µA
µA
Ω
Ω
µA
A
A
V
q
q
q
q
q
q
10
80
10
10
160
200
0.16
0.18
±10
1
1
q
q
q
2.0
0.8
±1
V
µA
LINER [ LINEAR TECHNOLOGY ]
