Datasheet
LT3796/LT3796-1
6
3796fa
For more information www.linear.com/3796
ISP/ISN Input Bias Current vs
V
ISP
,V
ISN
V
REF
Voltage vs Temperature
ISP/ISN Overcurrent Protection
Threshold vs Temperature
TYPICAL PERFORMANCE CHARACTERISTICS
V
(ISP-ISN)
Threshold vs FB Voltage V
FB
vs Temperature
V
(ISP-ISN)
Threshold vs V
CTRL
V
(ISP-ISN)
Threshold vs V
ISP
V
(ISP-ISN)
Full-Scale Threshold vs
Temperature
T
A
= 25°C, unless otherwise noted.
V
(ISP-ISN)
Threshold at CTRL = 0.6V
vs Temperature
V
CTRL
(V)
0
200
300
0.6 1.0
37961 G01
150
100
0.2 0.4
0.8 1.2 1.4
50
0
250
V
(ISP-ISN)
THRESHOLD (mV)
V
ISP
(V)
0
251
253
40 80
37961 G02
250
249
20
60 100
248
247
252
V
(ISP-ISN)
THRESHOLD (mV)
TEMPERATURE
(°C)
–50
250
254
25 75
37961 G03
249
248
–25 0
50 100 150125
247
246
253
252
251
V
(ISP-ISN)
THRESHOLD (mV)
ISP = 48V
CTRL = 2V
TEMPERATURE (°C)
–50
128
37961 G03a
–25 0 25 50 75 100 150125
127
125
124
126
122
123
V
(ISP-ISN)
(mV)
V
FB
(V)
1.1
150
300
FB1
37961 G04
100
1.15
1.2 1.25 1.3
50
0
250
200
V
(ISP-ISN)
THRESHOLD (mV)
FB2
TEMPERATURE
(°C)
–50
1.24
1.27
37961 G05
–25
0 25 50 10075 150125
1.23
1.26
1.25
V
FB
(V)
TEMPERATURE
(°C)
–50
374
372
380
37961 G06
–25
0 25 50 10075 150125
370
378
376
ISP/ISN OVERCURRENT THRESHOLD (mV)
V
ISP
, V
ISN
(V)
0
500
37961 G07
20
40 60 10080
400
300
200
100
0
800
900
700
600
ISP, ISN BIAS CURRENT (µA)
ISP
ISN
PWM = 5V
TEMPERATURE
(°C)
–50
2.01
2.00
2.05
37961 G08
–25
0 25 50 10075 125 150
1.99
1.98
1.97
1.96
2.04
2.03
2.02
V
REF
(V)
I
REF
= 0µA
I
REF
= –100µA