LT3482 LINER [Linear Technology], LT3482 Datasheet - Page 4

• Manufacturer Part Number: LT3482
• Description: 90V Boost DC/DC Converter with APD Current Monitor
• Manufacturer: LINER [Linear Technology]

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