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LT1952EGN Datasheet(PDF) 5 Page - Linear Technology

Part # LT1952EGN
Description  Single Switch Synchronous Forward Controller
Download  24 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT1952EGN Datasheet(HTML) 5 Page - Linear Technology

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LT1952
5
1952f
TYPICAL PERFOR A CE CHARACTERISTICS
VIN Start-up Current vs
Temperature
VIN IQ vs Temperature
SD_VSEC Turn ON Threshold vs
Temperature
SD_VSEC Pin Current vs
Temperature
VIN Turn ON/OFF Voltage vs
Temperature
COMP Active Threshold vs
Temperature
FB Voltage vs Temperature
Switching Frequency vs
Temperature
VIN Shutdown Current vs
Temperature
TEMPERATURE (°C)
–50
1.20
1.22
1.25
0
50
75
1952 G01
1.21
1.24
1.23
–25
25
100
125
TEMPERATURE (°C)
–50
155
185
245
0
50
75
1952 G02
170
230
215
200
–25
25
100
125
TEMPERATURE (°C)
–50
100
200
500
0
50
75
1952 G03
150
400
300
450
350
250
–25
25
100
125
VIN = 15V
SD_VSEC = 0V
TEMPERATURE (°C)
–50
200
500
0
50
75
1952 G04
400
300
450
600
550
350
250
–25
25
100
125
SD_VSEC = 1.4V
TEMPERATURE (°C)
–50
3.5
4.5
6.5
0
50
75
1952 G05
4.0
6.0
5.5
5.0
–25
25
100
125
OC = OPEN
TEMPERATURE (°C)
–50
1.22
1.27
1.42
0
50
75
1952 G06
1.37
1.32
–25
25
100
125
TEMPERATURE (°C)
–50
0
15
0
50
75
1952 G07
10
5
–25
25
100
125
0µA PIN CURRENT AFTER
PART TURN ON
PIN CURRENT BEFORE
PART TURN ON
TEMPERATURE (°C)
–50
6
8
18
16
14
12
0
50
75
1952 G08
10
–25
25
100
125
VIN TURN OFF VOLTAGE
VIN TURN ON VOLTAGE
TEMPERATURE (°C)
–50
0
0.4
1.6
1.4
1.2
0
50
75
1952 G09
0.2
1.0
0.8
0.6
–25
25
100
125
RISENSE = 0k


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