Datasheet

2
LTC1255
Supply Voltage ......................................... –0.3V to 30V
Transient Supply Voltage (<10ms) ......................... 40V
Input Voltage ..................... (V
S
+ 0.3V) to (GND – 0.3V)
Gate Voltage ...................... (V
S
+ 20V) 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
LTC1255C............................................... 0°C to 70°C
LTC1255I........................................... –40°C to 85°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
ORDER PART
NUMBER
T
JMAX
= 100°C, θ
JA
= 130°C/ W T
JMAX
= 100°C, θ
JA
= 150°C/W
1
2
3
4
8
7
6
5

TOP VIEW
DS1
GATE 1
GND
IN1
DS2
GATE 2
V
S

IN2
N8 PACKAGE
8-LEAD PLASTIC DIP
1
2
3
4
8
7
6
5
TOP VIEW
DS2

GATE 2
V
S

IN2
DS1
GATE 1

GND
IN1
S8 PACKAGE
8-LEAD PLASTIC SOIC
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
I
Q
Quiescent Current OFF V
S
= 10V, V
IN
= 0V (Note 1) 12 40 µA
V
S
= 18V, V
IN
= 0V (Note 1) 12 40 µA
V
S
= 24V, V
IN
= 0V (Note 1) 12 40 µA
Quiescent Current ON V
S
= 10V, V
GATE
= 22V, V
IN
= 5V (Note 2) 160 400 µA
V
S
= 18V, V
GATE
= 30V, V
IN
= 5V (Note 2) 350 800 µA
V
S
= 24V, V
GATE
= 36V, V
IN
= 5V (Note 2) 600 1200 µA
V
INH
Input High Voltage ● 2V
V
INL
Input Low Voltage ● 0.8 V
I
IN
Input Current 0V ≤ V
IN
≤ V
S
● ±1 µA
C
IN
Input Capacitance 5pF
V
SEN
Drain Sense Threshold Voltage 80 100 120 mV
● 75 100 125 mV
I
SEN
Drain Sense Input Current 0V ≤ V
SEN
≤ V
S
● ±0.1 µA
V
GATE
– V
S
Gate Voltage Above Supply V
S
= 9V ● 7.5 10.5 12 V
I
GATE
Gate Output Drive Current V
S
= 18V, V
GATE
= 30V ● 520 µA
V
S
= 24V, V
GATE
= 36V ● 523 µA
E
LECTR
IC
AL C CHARA TERIST
ICS
V
S
= 9V to 24V, T
A
= 25°C, unless otherwise noted.
LTC1255CN8
LTC1255IN8
S8 PART MARKING
LTC1255CS8
LTC1255IS8
1255
1255I