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LTC4253B 数据表(PDF) 4 Page - Linear Technology

部件名 LTC4253B
功能描述  Negative Voltage Hot Swap Controllers in SOT-23
PDF  24 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC4253B 数据表(HTML) 4 Page - Linear Technology

  LTC4253B Datasheet HTML 1Page - Linear Technology LTC4253B Datasheet HTML 2Page - Linear Technology LTC4253B Datasheet HTML 3Page - Linear Technology LTC4253B Datasheet HTML 4Page - Linear Technology LTC4253B Datasheet HTML 5Page - Linear Technology LTC4253B Datasheet HTML 6Page - Linear Technology LTC4253B Datasheet HTML 7Page - Linear Technology LTC4253B Datasheet HTML 8Page - Linear Technology LTC4253B Datasheet HTML 9Page - Linear Technology Next Button
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background image
4
4251b12f
LTC4251B/LTC4251B-1/
LTC4251B-2
TYPICAL PERFORMANCE CHARACTERISTICS
Circuit Breaker Current Limit
Voltage VCB vs Temperature
Analog Current Limit Voltage VACL
vs Temperature
Fast Current Limit Voltage VFCL
vs Temperature
IGATE (Source) vs Temperature
IGATE (ACL, Sink) vs Temperature
IGATE (FCL, Sink) vs Temperature
UV/OV = 4V refers to UV = 4V for the LTC4251B-2.
VZ vs Temperature
Undervoltage Lockout VLKO vs
Temperature
Undervoltage Lockout Hysteresis
VLKH vs Temperature
TEMPERATURE (°C)
–55
14.5
14.0
13.5
13.0
12.5
12.0
–15
25
45
125
4251b12 G04
–35
5
65
85 105
IIN = 2mA
TEMPERATURE (°C)
–55
12.0
11.5
11.0
10.5
10.0
9.5
9.0
8.5
8.0
–15
25
45
125
4251b12 G05
–35
5
65
85 105
TEMPERATURE (°C)
–55
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
–15
25
45
125
4251b12 G06
–35
5
65
85 105
TEMPERATURE (°C)
–55
60
58
56
54
52
50
48
46
44
42
40
–15
25
45
125
4251b12 G07
–35
5
65
85 105
TEMPERATURE (°C)
–55
120
115
110
105
100
95
90
85
80
–15
25
45
125
4251b12 G08
–35
5
65
85 105
TEMPERATURE (°C)
–55
300
275
250
225
200
175
150
–15
25
45
125
4251b12 G09
–35
5
65
85 105
TEMPERATURE (°C)
–55
70
65
60
55
50
45
40
–15
25
45
125
4251b12 G10
–35
5
65
85 105
UV/0V = 4V
TIMER = 0V
VSENSE = VEE
VGATE = 0V
TEMPERATURE (°C)
–55
30
25
20
15
10
5
0
–15
25
45
125
4251b12 G11
–35
5
65
85 105
UV/0V = 4V
TIMER = 0V
VSENSE – VEE = 0.15V
VGATE = 3V
TEMPERATURE (°C)
–55
400
350
300
250
200
150
100
50
0
–15
25
45
125
4251b12 G12
–35
5
65
85 105
UV/0V = 4V
TIMER = 0V
VSENSE – VEE = 0.3V
VGATE = 1V



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