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LT1681 数据表(PDF) 5 Page - Linear Technology

部件名 LT1681
功能描述  Dual Transistor Synchronous Forward Controller
PDF  20 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LT1681 数据表(HTML) 5 Page - Linear Technology

  LT1681 Datasheet HTML 1Page - Linear Technology LT1681 Datasheet HTML 2Page - Linear Technology LT1681 Datasheet HTML 3Page - Linear Technology LT1681 Datasheet HTML 4Page - Linear Technology LT1681 Datasheet HTML 5Page - Linear Technology LT1681 Datasheet HTML 6Page - Linear Technology LT1681 Datasheet HTML 7Page - Linear Technology LT1681 Datasheet HTML 8Page - Linear Technology LT1681 Datasheet HTML 9Page - Linear Technology Next Button
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5
LT1681
1681f
TYPICAL PERFOR A CE CHARACTERISTICS
IBST Boost Supply Current
vs Temperature
ICC Supply Current
vs SHDN Pin Voltage
TEMPERATURE (
°C)
–55
5.0
4.9
125
80
1681 G04
4.8
–40
0
40
5.2
5.1
SHDN PIN CURRENT (V)
0
0
20
40
60
0.2
0.4
0.6
0.8
1681 G05
1.0
1.2
TA = 25°C
UVLO ICC Supply Current
vs Temperature
5VREF Voltage vs Temperature
5VREF Short-Circuit Current Limit
vs Temperature
Error Amp Reference
vs Temperature
TEMPERATURE (
°C)
–55
0.8
125
80
1681 G06
0.5
0.6
–40
0
40
1
TEMPERATURE (
°C)
–55
5.00
4.95
125
80
1681 G07
4.90
–40
0
40
5.10
5.05
TEMPERATURE (
°C)
–55
40
125
80
1681 G08
30
–40
0
40
60
50
TEMPERATURE (
°C)
–55
1.250
1.245
125
80
1681 G09
1.240
–40
0
40
1.260
1.255
VC Pin Short-Circuit Current Limit
vs Temperature
Soft-Start Output Current
vs Temperature
Soft-Start Output Current
vs Soft-Start Pin Voltage
TEMPERATURE (
°C)
–55
15
125
80
1681 G10
10
–40
0
40
25
20
TEMPERATURE (
°C)
–55
10
9
125
80
1681 G11
8
–40
0
40
12
11
VSS = 2V
SOFT-START PIN VOLTAGE (mV)
0
20
40
60
100
0
200
300
400
1681 G12
500
TA = 25°C



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