43631 查看數據表（PDF） - Linear Technology
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43631 Datasheet PDF : 24 Pages
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LT4363
Typical Performance Characteristics Specifications are at VCC = 12V, TA = 25°C, unless
otherwise noted.
Gate Drive vs Temperature
(ΔVGATE vs Temperature)
14
IGATE = 0µA
13
IGATE = –1µA
12
11
10 VCC = SNS = OUT
–50 –25 0 25 50 75
TEMPERATURE (°C)
100 125
4363 G10
Gate Drive vs Supply Voltage
(ΔVGATE vs VCC)
16
VCC = SNS = OUT
14
IGATE = 0µA
12
10
IGATE = 1µA
8
6
4
2
0
0 4 8 12 16 20 60 70 80
VCC (V)
4363 G11
TMR High Threshold vs
Supply Voltage
5
4
3
2
1
0 10 20 30 40 50 60 70 80
VCC (V)
4363 G12
Overvoltage TMR Current vs
(VCC – VOUT)
–50
TMR = 1V
–40
–30
–20
–10
0
0 10 20 30 40 50 60 70 80
VCC – VOUT (V)
4363 G13
Overcurrent TMR Current vs
(VCC – VOUT)
–260
TMR = 1V
–220
–160
–120
–80
–40
0
0 10 20 30 40 50 60 70 80
VCC – VOUT (V)
4363 G14
Warning Period TMR Current
vs VCC
–7
∆VDS = 0.5V
–6
–5
–4
–3
–2
0
10 20 30 40 50 60 70 80
VCC (V)
4363 G15
TMR Pull-Down Current vs
Temperature
2.4
TMR = 1V
2.0
1.6
1.2
0.8
0.4
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
4363 G16
TMR Pull-Up Current (Cool Down)
vs Temperature
–3.0
TMR = 3V
–2.5
–2.0
–1.5
–1.0
–0.5
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
4363 G17
Output Low Voltage vs Current
6
OUT = SNS = 3V
5
4
3
2
1
0
0 0.5 1.0 1.5 2.0 2.5 3.0
ISINK (mA)
4363 G18
4363fb
6
For more information www.linear.com/LT4363
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