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LTC1921 датащи(PDF) 5 Page - Linear Technology

номер детали LTC1921
подробное описание детали  Negative Voltage Hot Swap Controllers in SOT-23
PDF  24 Pages
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производитель  LINER [Linear Technology]
домашняя страница  http://www.linear.com
Logo LINER - Linear Technology

LTC1921 датащи(HTML) 5 Page - Linear Technology

  LTC1921 Datasheet HTML 1Page - Linear Technology LTC1921 Datasheet HTML 2Page - Linear Technology LTC1921 Datasheet HTML 3Page - Linear Technology LTC1921 Datasheet HTML 4Page - Linear Technology LTC1921 Datasheet HTML 5Page - Linear Technology LTC1921 Datasheet HTML 6Page - Linear Technology LTC1921 Datasheet HTML 7Page - Linear Technology LTC1921 Datasheet HTML 8Page - Linear Technology LTC1921 Datasheet HTML 9Page - Linear Technology Next Button
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background image
5
4251b12f
LTC4251B/LTC4251B-1/
LTC4251B-2
TYPICAL PERFORMANCE CHARACTERISTICS
OV Threshold vs Temperature
ISENSE vs Temperature
ISENSE vs (VSENSE – VEE)
TIMER Threshold vs Temperature
VGATE vs Temperature
VGATEL vs Temperature
UV Threshold vs Temperature
UV Threshold vs Temperature
OV Threshold vs Temperature
UV/OV = 4V refers to UV = 4V for the LTC4251B-2.
TEMPERATURE (°C)
–55
3.375
3.275
3.175
3.075
2.975
2.875
2.775
–15
25
45
125
4251b12 G15
–35
5
65
85 105
VUVH
LTC4251B/LTC4251B-2
VUVL
TEMPERATURE (°C)
–55
2.55
2.50
2.45
2.40
2.35
2.30
2.25
2.20
2.15
2.10
2.05
–15
25
45
125
4251b12 G16
–35
5
65
85 105
VUVHI
LTC4251B-1
VUVLO
TEMPERATURE (°C)
–55
6.45
6.25
6.05
5.85
5.65
5.45
5.25
–15
25
45
125
4251b12 G17
–35
5
65
85 105
VOVH
LTC4251B
VOVL
TEMPERATURE (°C)
–55
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
–15
25
45
125
4251b12 G14
–35
5
65
85 105
UV/0V = 4V,
VTMR = 0V,
GATE THRESHOLD
BEFORE RAMP-UP
TEMPERATURE (°C)
–55
14.5
14.0
13.5
13.0
12.5
12.0
11.5
11.0
10.5
10.0
–15
25
45
125
4251b12 G13
–35
5
65
85 105
UV/0V = 4V
VTMR = 0V
VSENSE = VEE
TEMPERATURE (°C)
–55
–10
–12
–14
–16
–18
–20
–22
–24
–26
–28
–30
–15
25
45
125
4251b12 G19
–35
5
65
85 105
UV/0V = 4V
TIMER = 0V
GATE = HIGH
VSENSE – VEE = 50mV
(VSENSE – VEE) (V)
–1.5 –1.0 –0.5
0
0.5
1.0
1.5
2.0
0.01
0.1
1.0
10
100
1000
4251b12 G20
UV/0V = 4V
TIMER = 0V
GATE = HIGH
TA = 25°C
TEMPERATURE (°C)
–55
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
–15
25
45
125
4251b12 G21
–35
5
65
85 105
VTMRH
VTMRL
TEMPERATURE (°C)
–55
6.51
6.41
6.31
6.21
6.11
6.01
5.91
5.81
5.71
5.61
–15
25
45
125
4251b12 G18
–35
5
65
85 105
VOVHI
VOVLO
LTC4251B-1



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