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LTC1644IGN 数据表(PDF) 4 Page - Linear Technology

部件名 LTC1644IGN
功能描述  CompactPCI Bus Hot Swap Controller
PDF  24 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC1644IGN 数据表(HTML) 4 Page - Linear Technology

  LTC1644IGN Datasheet HTML 1Page - Linear Technology LTC1644IGN Datasheet HTML 2Page - Linear Technology LTC1644IGN Datasheet HTML 3Page - Linear Technology LTC1644IGN Datasheet HTML 4Page - Linear Technology LTC1644IGN Datasheet HTML 5Page - Linear Technology LTC1644IGN Datasheet HTML 6Page - Linear Technology LTC1644IGN Datasheet HTML 7Page - Linear Technology LTC1644IGN Datasheet HTML 8Page - Linear Technology LTC1644IGN Datasheet HTML 9Page - Linear Technology Next Button
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LTC1644
4
1644f
TYPICAL PERFOR A CE CHARACTERISTICS
3.3V and 5V Current Foldback
Profile
12V Output Current
– 12V Output Current
OUTPUT VOLTAGE (V)
012345
1644 G01
11
10
9
8
7
6
5
4
3
2
1
0
3VOUT
5VOUT
TA = 25°C
RSENSE = 0.005Ω
OUTPUT VOLTAGE (V)
02468
10
12
1644 G02
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
TA = 25°C
12VIN = 12V
OUTPUT VOLTAGE (V)
0
–2–4–6–8
–10
–12
1644 G03
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
TA = 25°C
VEEIN = –12V
12VIN Supply Current
vs Temperature
12VIN Undervoltage Lockout
vs Temperature
5VIN UVLO Threshold Voltage
vs Temperature
TEMPERATURE (
°C)
–50
3.2
3.1
3.0
2.9
2.8
25
75
1644 G04
–25
0
50
100
TEMPERATURE (
°C)
–50
8.20
8.40
–25
0
25
50
1644 G05
75
8.45
8.50
8.25
8.30
8.35
100
RAMPING
UP
RAMPING
DOWN
TEMPERATURE (
°C)
–50
2.49
2.50
2.51
25
75
1644 G06
2.48
2.47
2.46
–25
0
50
2.52
2.53
2.54
2.55
100
RAMPING
UP
RAMPING
DOWN
3VIN UVLO Threshold Voltage
vs Temperature
5V Foldback Current Limit Voltage
vs Temperature
3V Foldback Current Limit Voltage
vs Temperature
TEMPERATURE (
°C)
–50
2.47
2.48
2.50
2.51
2.52
50
2.56
1644 G07
2.49
0
–25
75
25
100
2.53
2.54
2.55
RAMPING
UP
RAMPING
DOWN
TEMPERATURE (
°C)
–50
0
10
20
30
40
60
–25
025
50
1644 G08
75
100
50
TIMER = 0V
5VOUT = 3V
5VOUT = 0V
TEMPERATURE (
°C)
–50
0
10
20
30
40
60
–25
025
50
1644 G09
75
100
50
TIMER = 0V
3VOUT = 2V
3VOUT = 0V



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