LT3756 Просмотр технического описания (PDF) - Linear Technology
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LT3756 Datasheet PDF : 24 Pages
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LT3756/LT3756-1/LT3756-2
Typical Performance Characteristics TA = 25°C, unless otherwise noted.
Quiescent Current vs VIN
2.0 PWM = 0V
1.5
1.0
0.5
0
0
20
40
60
80 100
VIN (V)
375612 G10
INTVCC Voltage vs VIN
8
6
4
2
0
0
20
40
60
80
100
VIN (V)
375612 G13
SENSE Current Limit Threshold
vs Duty Cycle
110
105
100
95
90
0
25
50
75
DUTY CYCLE (%)
100
375612 G16
SENSE Current Limit Threshold
vs Temperature
110
105
100
95
90
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
375612 G11
INTVCC Current Limit
vs Temperature
20
18
16
14
12
10
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
375612 G14
V(ISP-ISN) Threshold vs FB Voltage
125
VCTRL = 2V
100
75
50
25
0
1.2
1.22
1.24
1.26
1.28
FB VOLTAGE (V)
375612 G17
SHDN/UVLO Threshold
vs Temperature
1.28
1.26
SHDN/UVLO RISING
1.24
1.22
SHDN/UVLO FALLING
1.20
1.18
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
375612 G12
INTVCC Voltage vs Temperature
7.4
7.3
7.2
7.1
7.0
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
375612 G15
Gate Rise/Fall Time
vs Capacitance
100
10% TO 90%
80
GATE RISE
TIME
60
GATE
40
FALL TIME
20
0
0
2
4
6
8
10
CAPACITANCE (nF)
375612 G18
375612fb
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