LT3596IUHG 查看數據表（PDF） - Linear Technology
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LT3596IUHG Datasheet PDF : 22 Pages
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LT3596
Typical Performance Characteristics TA = 25°C, unless otherwise noted
VIN Quiescent Current
2.0 VBIAS = 5V
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0 10 20 30 40
VIN VOLTAGE (V)
T = 125°C
T = 25°C
T = –40°C
50 60
3596 G01
UVLO Threshold
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3596 G04
Switching Frequency
1.4
1.2
RT = 33.2k
1.0
0.8
0.6
0.4
RT = 220k
0.2
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3596 G07
BIAS Quiescent Current
2.0
VIN = 24V
1.5
1.0
0.5
0
–0.5
0
T = 125°C
T = 25°C
T = –40°C
5
10
15
20
25
BIAS VOLTAGE (V)
3596 G02
EN/UVLO Pin Current
6
VEN/UVLO = 1.4V
5
4
3
2
1
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3596 G05
SW and DA Current Limit
1100
ISW
1000
900
800
700
IDA
600
500
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3596 G08
VIN, BIAS Shutdown Current
1.4
VIN = 55V
1.2 VBIAS = 25V
1.0
0.8
0.6
0.4
0.2
0
–50 –25
IVBIAS IVIN
0 25 50 75
TEMPERATURE (°C)
100 125
3596 G03
VREF Voltage
2.04
2.03
2.02
2.01
2.00
1.99
1.98
1.97
1.96
–50 –25
VIN = 55V
VIN = 24V
VIN = 6V
0 25 50 75 100 125
TEMPERATURE (°C)
3596 G06
Switch Voltage Drop
1000
900
800
700
600
500
400
300
200
100
0
0
T = 125°C
T = 25°C
T = –40°C
100 200 300 400 500 600 700 800
SWITCH CURRENT (mA)
3596 G09
3596fa
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