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LT3482 Datasheet(PDF) 4 Page - Linear Technology

Part # LT3482
Description  90V Boost DC/DC Converter with APD Current Monitor
PDF  12 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT3482 Datasheet(HTML) 4 Page - Linear Technology

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LT3482
4
3482fa
Oscillator Frequency vs
Temperature
Switch Current Limit
vs Duty Cycle
Switch Current Limit vs
Temperature
Current Monitor Output vs MONIN
APD Current Monitor Accuracy
APD Current Monitor Accuracy
vs Temperature
TYPICAL PERFOR A CE CHARACTERISTICS
TEMPERATURE (
°C)
–50
900
1000
1200
25
75
3482 G01
800
700
–25
0
50
100
125
600
500
1100
fSET = 2V
fSET = 0V
DUTY CYCLE (%)
0
150
200
250
60
100
3482 G02
100
50
0
20
40
80
300
350
400
TEMPERATURE (
°C)
–50
340
25
3482 G03
280
240
–25
0
50
220
200
360
320
300
260
75
100
125
MONIN (V)
10
18
19
20
21
22
20
30
40
50
3482 G04
60
70
80
90
IAPD = 100µA
IAPD (A)
1.0E-08
1.0E-06
1.0E-04
1.0E-02
1.0E-02
1.0E-03
1.0E-04
1.0E-05
1.0E-06
1.0E-07
1.0E-08
1.0E-09
3482 G05
MONIN = 90V
TEMPERATURE (
°C)
–50
–2
0
2
25
75
3482 G06
–4
–6
–25
0
50
100
125
–8
–10
IAPD = 2.5mA
IAPD = 10µA
IAPD = 250nA
MONIN = 90V
Current Monitor Voltage Drop
vs Reference Current
REFERENCE CURRENT (A)
1.00E-07
1.00E-05
1.00E-03
5
6
7
!"& /%
4
3
2
1
0
Switch Saturation Voltage (VCESAT)
SWITCH CURRENT (mA)
0
200
250
300
150
250
3482 G08
150
100
50
100
200
300
350
50
0
FB Pin Voltage vs Temperature
TEMPERATURE (
°C)
–50
1.24
1.25
25
75
3482 G09
1.23
–25
0
50
100
125
1.22
VIN = 16V
VIN = 3V
(TA = 25°C unless otherwise specified)



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