LT3796-1_14 Datasheet, PDF (7/36 Pages) –

LT3796/LT3796-1
Typical Performance Characteristics T_A = 25°C, unless otherwise noted.
V_REF vs V_IN
2.05
I_REF = 0µA
2.04
2.03
2.02
2.01
2.00
1.99
1.98
1.97
0
20
40
60
V_IN (V)
80
100
37961 G09
Switching Frequency vs
SS Voltage
450
400
350
300
250
200
150
100
50
0
0 200 400 600 800 1000 1200
SS VOLTAGE (mV)
37961 G11a
EN/UVLO Hysteresis Current vs
Temperature
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
37961 G14
R_T vs Switching Frequency
100
10
1
0 100 200 300 400 500 600 700 800 900 1000
SWITCHING FREQUENCY (kHz)
37961 G10
Quiescent Current vs V_IN
2.5
2.0
1.5
1.0
0.5
0
0
PWM = 0V
20
40
60
80
100
V_IN (V)
37961 G12
EN/UVLO Falling/Rising
Threshold vs Temperature
1.28
1.27
1.26
1.25
EN/UVLO RISING THRESHOLD
1.24
1.23
1.22
EN/UVLO FALLING THRESHOLD
1.21
1.20
1.19
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
37961 G15
For more information www.linear.com/3796
Switching Frequency vs
Temperature
440
R_T = 19.6k
430
420
410
400
390
380
370
360
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
37961 G11
V_ISMON vs V_(ISP-ISN)
2000
1800
1600
1400
1200
1000
800
600
400
200
0
0
100 200 300
V_(ISP-ISN) (mV)
400 500
37961 G13
SENSE Current Limit Threshold vs
Temperature
118
117
116
115
114
113
112
111
110
109
108
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
37961 G16
3796fb
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