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LT3045 数据表(PDF) 16 Page - Analog Devices

部件名 LT3045
功能描述  5.5V, 3A, Ultra-Low Noise, High PSRR, 85mV Dropout Ultra-Fast Linear Regulator
PDF  38 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

LT3045 数据表(HTML) 16 Page - Analog Devices

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Data Sheet
LT3077
analog.com
Rev. 0
16 of 38
TYPICAL PERFORMANCE CHARACTERISTICS
TJ = 25°C, unless noted otherwise.
Figure 22. BIAS Pin Current in Dropout
Figure 23. BIAS Pin Current in Dropout
Figure 24. BIAS Pin UVLO Threshold
Figure 25. VIN Pin UVLO Threshold
Figure 26. EN Pin Threshold
Figure 27. EN Pin Current
ILOAD = 100mA
VIN = VOUT(NOMINAL) = 0.5V
VIN = VOUT(NOMINAL) = 1.2V
VIN = VOUT(NOMINAL) = 3.3V
BIAS VOLTAGE (V)
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
0
5
10
15
20
25
30
35
40
VIN = VOUT(NOMINAL) = 0.5V
ILOAD = 50mA
VBIAS = 2.375V
VBIAS = 5.5V
TEMPERATURE (°C)
–50
–25
0
25
50
75
100
125
150
0
5
10
15
20
25
30
35
40
45
50
VBIAS RISING
VBIAS FALLING
TEMPERATURE (°C)
–50
–25
0
25
50
75
100
125
150
1.7
1.8
1.9
2.0
2.1
2.2
2.3
2.4
EN RISING
EN FALLING
TEMPERATURE (°C)
–50
–25
0
25
50
75
100
125
150
1.00
1.05
1.10
1.15
1.20
1.25
1.30
1.35
1.40
+25°C
–40°C
+125°C
VBIAS = 5.5V
EN PIN VOLTAGE (V)
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
VIN RISING
VIN FALLING
TEMPERATURE (°C)
–50
–25
0
25
50
75
100
125
150
0.38
0.40
0.42
0.44
0.46
0.48
0.50
A N A L O G D E V I C E S
C O N F I D E N T I A L



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