Datasheet

LT1910
2
1910fa
Supply Voltage (Pin 8) ............................... –15V to 60V
Input Voltage (Pin 4) ..................... (GND – 0.3V) to 15V
GATE Voltage (Pin 5) ................................................ 75V
SENSE Voltage (Pin 6) ........................................ V
+
±5V
FAULT Voltage (Pin 3) .............................................. 36V
Current (Pins 1, 2, 4, 5, 6, 8) ................................ 40mA
Operating Temperature Range (Note 2)
LT1910E ............................................... –40°C to 85°C
LT1910I .............................................. –40°C to 125°C
Junction Temperature Range ................ –40°C to 125°C
Storage Temperature Range ................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec) .................. 300°C
(Note 1)
1
2
3
4
8
7
6
5
TOP VIEW
V
+
NC
SENSE
GATE
GND
TIMER
FAULT
IN
S8 PACKAGE
8-LEAD PLASTIC SO
T
JMAX
= 125°C, θ
JA
= 150°C/W
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LT1910ES8#PBF LT1910ES8#TRPBF 1910E 8-Lead Plastic SO –40°C to 85°C
LT1910IS8#PBF LT1910IS8#TRPBF 1910I 8-Lead Plastic SO –40°C to 125°C
LEAD BASED FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LT1910ES8 LT1910ES8#TR 1910E 8-Lead Plastic SO –40°C to 85°C
LT1910IS8 LT1910IS8#TR 1910I 8-Lead Plastic SO –40°C to 125°C
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
For more information on tape and reel specifi cations, go to:
http://www.linear.com/tapeandreel/
PIN CONFIGURATION ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
The l denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. V
+
= 12V to 48V unless otherwise noted.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
I
S
Supply Current (Off State) V
+
= 48V, V
IN
= 0.8V 1.2 1.9 2.5 mA
ΔI
S(ON)
Delta Supply Current (On State) V
IN
= 2V, Measure Increase in I
S
0.8 1.2 mA
V
INH
Input High Voltage E-Grade
I-Grade
l
l
2
3.5
V
V
V
INL
Input Low Voltage E-Grade
I-Grade
l
l
0.8
0.7
V
V
I
IN
Input Current V
IN
= 2V
V
IN
= 5V
l
l
15
55
30
110
50
185
μA
μA
C
IN
Input Capacitance (Note 3) 5pF
V
T(TH)
Timer Threshold Voltage V
IN
= 2V, Adjust V
T
l
2.6 2.9 3.2 V
V
T(CL)
Timer Clamp Voltage V
IN
= 0.8V 3.2 3.5 3.8 V
I
T
Timer Charge Current V
IN
= V
T
= 2V 9 14 20 μA
V
SENSE
Drain-Sense Threshold Voltage Temperature
Coeffi cient (Note 3)
50 65
0.33
80 mV
%/°C