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LT3439 Datasheet(PDF) 3 Page - Linear Technology

Part # LT3439
Description  Slew Rate Controlled Ultralow Noise1A Isolated DC/DC Transformer Driver
PDF  12 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT3439 Datasheet(HTML) 3 Page - Linear Technology

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3
LT3439
sn3439 3439fs
Minimum Input Voltage
vs Temperature
Oscillator Frequency
vs Temperature
Supply Current vs Slew Resistor
Switch Voltage Drop
vs Switch Current
SHDN Pin Hysteresis Current
vs Temperature
Current Limit vs Temperature
Supply Current in Shutdown Mode
vs Temperature
SHDN Pin Voltage Threshold
vs Temperature
SYNC Pin Voltage Threshold
vs Temperature
TYPICAL PERFOR A CE CHARACTERISTICS
TEMPERATURE (
°C)
–50
2.500
2.550
2.600
125 150
3439 G01
2.450
2.400
2.300
–25
0
25
50
75
100
2.350
2.750
2.700
2.650
TEMPERATURE (
°C)
–50
6
8
10
2.7V
5V
125 150
3439 G02
4
2
0
–25
0
25
50
75
100
16
14
12
17.5V
TEMPERATURE (
°C)
–50
95
100
105
125 150
3439 G03
90
85
80
–25
0
25
50
75
100
120
115
110
RT = 16.9k
CT = 680pF
SWITCH CURRENT (A)
0.1 0.2 0.3
0
0.1
0.3
0.4
0.5
0.7 0.8 0.9
0.9
3439 G04
0.2
0.4 0.5 0.6
1.0
0.6
0.7
0.8
25
°C
85
°C
125
°C
SLEW RESISTOR (
Ω)
0
0
5
15
20
25
10000
20000
3439 G05
10
30000
40000
TA = 25°C
TEMPERATURE (
°C)
–50
1.6
1.8
2.0
25
75
150
3439 G07
1.4
1.2
1.0
0.8
–25
0
50
100 125
TEMPERATURE (
°C)
–50
1.30
1.31
1.32
125 150
3439 G08
1.29
1.28
1.27
–25
0
25
50
75
100
1.35
1.34
1.33
TEMPERATURE (
°C)
–50
1.0
1.1
1.2
1.3
1.4
050
100
150
3439 G09
1.5
1.6
–25
25
75
125
TEMPERATURE (
°C)
–50
18
20
22
25
3439 G06
16
14
–25
0
150
50
75
100 125
12
10
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