LT3582 데이터 시트보기 (PDF) - Linear Technology
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LT3582
Linear Technology
LT3582 Datasheet PDF : 28 Pages
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LT3582/LT3582-5/LT3582-12
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C unless otherwise noted.
Switching Frequencies (Figure 13)
10000
1000
100
VOUTP
VOUTN
10
0
20
40
60
80 100
LOAD CURRENT (mA)
3582512 G01
Load Regulation (Figure 13)
1.00
0.75
0.50
0.25
0
VOUTP
–0.25
–0.50
VOUTN
–0.75
–1.00
0
20
40
60
80 100
LOAD CURRENT (mA)
3582512 G02
Output Voltage (Figure 13)
0.45
0.30
0.15
0
–0.15
VOUTN
VOUTP
–0.30
–0.45
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3582512 G03
Quiescent Current – Not Switching
390
370
350
330
310
290
270
250
2.5 3
3.5 4 4.5
VIN (V)
5 5.5
3582512 G04
VOUTP and VOUTN Pin Current
During Normal Operation
80
60
CURRENT INTO
VOUTP PIN
40
VP CODE
SET TO 12V
20
VP CODE
SET TO 5V
0
VN CODE
–20
SET TO –5V
–40
VN CODE
SET TO –12V
–60
CURRENT OUT
–80 OF VOUTN PIN
–100
0 2.5 5 7.5 10 12.5 15
|VOUT| (V)
3582512 G07
6
Switch Resistance
O.7
0.6
VOUTN
0.5
VOUTP
0.4
0.3
0.2
0.1
0
2.5 3 3.5 4 4.5 5 5.5
INPUT VOLTAGE (V)
3582512 G05
Output Disconnect PMOS Current
Limit During Normal Operation
200
180
160
140
120
100
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3582512 G08
Switch Current Limit
700
SWN
600
500
400
SWP
300
200
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3582512 G06
Output Disconnect PMOS
On-Resistance
2.5
2
1.5
1
0.5
0
2
4
6
8
10
12
VCAPP (V)
3582512 G09
3582512f
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