Datasheet

2
LTC1157
LTC1157C
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
I
Q
Quiescent Current OFF V
S
= 3.3V, V
IN1
= V
IN2
= 0V (Note 1) 3 10 µA
Quiescent Current ON V
S
= 3.3V, V
IN
= 3.3V (Note 2) 80 160 µA
V
S
= 5V, V
IN
= 5V (Note 2) 180 400 µA
V
INH
Input High Voltage ● 70% × V
S
V
V
INL
Input Low Voltage ● 15% × V
S
V
I
IN
Input Current 0V ≤ V
IN
≤ V
S
● ±1 µA
C
IN
Input Capacitance 5pF
V
GATE
– V
S
Gate Voltage Above Supply V
S
= 3V ● 4.0 4.7 6.5 V
V
S
= 3.3V ● 4.5 5.4 7.0 V
V
S
= 5V ● 7.5 8.8 12.0 V
t
ON
Turn-ON Time V
S
= 3.3V, C
GATE
= 1000pF
Time for V
GATE
> V
S
+ 1V 30 130 300 µs
Time for V
GATE
> V
S
+ 2V 75 240 750 µs
V
S
= 5V, C
GATE
= 1000pF
Time for V
GATE
> V
S
+ 1V 30 85 300 µs
Time for V
GATE
> V
S
+ 2V 75 230 750 µs
t
OFF
Turn-OFF Time V
S
= 3.3V, C
GATE
= 1000pF
Time for V
GATE
< 0.5V 10 36 60 µs
V
S
= 5V, C
GATE
= 1000pF
Time for V
GATE
< 0.5V 10 31 60 µs
Supply Voltage ........................................... –0.3V to 7V
Any Input Voltage ............. (V
S
+ 0.3V) to (GND – 0.3V)
Any Output Voltage............. (V
S
+ 12V) to (GND – 0.3V)
Current (Any Pin)................................................. 50mA
A
U
G
W
A
W
U
W
ARB
S
O
LU
T
EXI T
I
S
Operating Temperature Range
LTC1157C............................................... 0°C to 70°C
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
WU
U
PACKAGE
/
O
RDER I FOR ATIO
ORDER PART
NUMBER
LTC1157CN8
ORDER PART
NUMBER
T
JMAX
= 100°C, θ
JA
= 130°C/ W
LTC1157CS8
T
JMAX
= 100°C, θ
JA
= 150°C/W
E
LECTR
IC
AL C CHARA TERIST
ICS
V
S
= 2.7V to 5.5V, T
A
= 25°C, unless otherwise noted.
The ● denotes specifications which apply over the full operating
temperature range.
Note 1: Quiescent current OFF is for both channels in OFF condition.
Note 2: Quiescent current ON is per driver and is measured independently.
S8 PART MARKING
1157
1
2
3
4
8
7
6
5

TOP VIEW
NC
GATE 1
GND
IN1
NC
GATE 2
V
S

IN2
N8 PACKAGE
8-LEAD PLASTIC DIP
1
2
3
4
8
7
6
5
TOP VIEW
NC
GATE 2
V
S

IN2
NC
GATE 1

GND
IN1
S8 PACKAGE
8-LEAD PLASTIC SO