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LT1161 Datasheet(PDF) 2 Page - Linear Technology

Part No. LT1161
Description  Quad Protected High-Side MOSFET Driver
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Maker  LINER [Linear Technology]
Homepage  http://www.linear.com
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LT1161 Datasheet(HTML) 2 Page - Linear Technology

 
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LT1161
Supply Voltages (Pins 11, 20) ................... – 15V to 60V
Input Voltages (Pins 3, 5, 7, 9) ...... (GND – 0.3V) to 15V
Gate Voltages (Pins 12, 14, 16, 18) ........................ 75V
Sense Voltages (Pins 13, 15, 17, 19).................. V +
±5V
Current (Any Pin) .................................................. 50mA
Operating Temperature Range
LT1161C ............................................... 0
°C to 70°C
LT1161I ............................................ – 40
°C to 85°C
Junction Temperature Range (Note 1)
LT1161C .............................................. 0
°C to 125°C
LT1161I ......................................... – 40
°C to 150°C
Storage Temperature Range ................. – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300
°C
ABSOLUTE MAXIMUM RATINGS
PACKAGE/ORDER INFORMATION
θJA = 70°C/ W (N)
θJA = 110°C/ W (S)
ORDER PART
NUMBER
LT1161CN
LT1161CS
LT1161IN
LT1161IS
1
2
3
4
5
6
7
8
9
10
TOP VIEW
N PACKAGE
20-LEAD PLASTIC DIP
S PACKAGE
20-LEAD PLASTIC SOL
20
19
18
17
16
15
14
13
12
11
GND
TIMER1
INPUT 1
TIMER 2
INPUT 2
TIMER 3
INPUT 3
TIMER 4
INPUT 4
GND
V+
SENSE 1
GATE 1
SENSE 2
GATE 2
SENSE 3
GATE 3
SENSE 4
GATE 4
V+
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
IS
Supply Current
All Channels OFF (Note 2)
3
4.5
6.5
mA
∆IS(ON)
Delta Supply Current (ON State)
Measure Increase in IS per Channel
1
1.35
mA
VINH
Input High Voltage
q
2V
VINL
Input Low Voltage
q
0.8
V
IIN
Input Current
VIN = 2V
q
15
30
50
µA
VIN = 5V
q
55
110
185
µA
CIN
Input Capacitance
5pF
VT(TH)
Timer Threshold Voltage
VIN = 2V, Adjust VT
q
2.7
3
3.3
V
VT(CL)
Timer Clamp Voltage
VIN = 0.8V
3.2
3.5
3.8
V
IT
Timer Charge Current
VIN = VT = 2V
9
14
20
µA
VSEN
Drain Sense Threshold Voltage
50
65
80
mV
Temperature Coefficient
+0.33
%/
°C
ISEN
Drain Sense Input Current
V + = 48V, VSEN = 65mV
0.5
1.5
µA
VGATE – V
+
Gate Voltage Above Supply
V + = 8V
4
4.5
6
V
V + = 12V
q
7
8.5
10
V
V + = 24V
q
10
12
14
V
V + = 48V
q
10
12
14
V
tON
Turn-ON Time
V + = 24V, VGATE > 32V, CGATE = 1000pF
100
220
400
µs
tOFF
Turn-OFF Time
V + = 24V, VGATE < 2V, CGATE = 1000pF
75
200
µs
tOFF(CL)
Current Limit Turn-OFF Time
V + = 24V, (V + – VSENSE ) → 0.1V, CGATE = 1000pF
25
50
µs
TA = 25°C, V
+ = 12V to 48V each channel, unless otherwise noted.
ELECTRICAL CHARACTERISTICS
Note 2: Both V + pins (11, 20) must be connected together and both
ground pins (1, 10) must be connected together.
The q denotes specifications which apply over the full operating
temperature range.
Note 1: TJ is calculated from the ambient temperature TA and power
dissipation PD according to the following formulas:
LT1161CN, LT1161IN: TJ = TA + (PD × 70°C/W)
LT1161CS, LT1161IS: TJ = TA + (PD × 110°C/W)
Consult factory for Military grade parts.


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