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LT3045 Scheda tecnica(PDF) 19 Page - Analog Devices

Il numero della parte LT3045
Spiegazioni elettronici  5.5V, 3A Ultralow Noise, High PSRR, 45mV Dropout Linear Regulator with PMBus
PDF  62 Pages
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Produttore elettronici  AD [Analog Devices]
Homepage  http://www.analog.com
Logo AD - Analog Devices

LT3045 Scheda tecnica(HTML) 19 Page - Analog Devices

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Data Sheet
LT3074
analog.com
Rev 0.
19 of 62
Figure 28. IBIAS vs. Bias in Dropout
Figure 29. IBIAS vs. Temperature in Dropout
Figure 30. BIAS UVLO
Figure 31. EN Threshold
Figure 32. EN Pin Current
Figure 33. PGFB Threshold
ILOAD = 100mA
VIN = VOUT(NOM) = 0.5V
VIN = VOUT(NOM) = 1.2V
VIN = VOUT(NOM) = 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
45
50
VIN = VOUT(NOM) = 0.5V
ILOAD = 100mA
VBIAS = 2.375V
VBIAS = 5.5V
TEMPERATURE (°C)
–50
–25
0
25
50
75
100
125
150
0
10
20
30
40
50
60
70
80
90
100
VBIAS RISING
VBIAS FALLING
TEMPERATURE (°C)
–75
–50
–25
0
25
50
75
100
125
150
175
1.7
1.8
1.9
2.0
2.1
2.2
2.3
2.4
EN RISING
EN FALLING
TEMPERATURE (°C)
–75
–50
–25
0
25
50
75
100
125
150
175
1.00
1.04
1.08
1.12
1.16
1.20
1.24
1.28
1.32
1.36
1.40
VBIAS = 5.5V
–55°C
–40°C
+25°C
+125°C
+150°C
EN PIN VOLTAGE (V)
0
0.6
1.1
1.7
2.2
2.8
3.3
3.8
4.4
4.9
5.5
0
0.4
0.8
1.2
1.6
2.0
2.4
2.8
3.2
3.6
4.0
VBIAS = 2.5V
PGFB RISING
PGFB FALLING
TEMPERATURE (°C)
–75
–50
–25
0
25
50
75
100
125
150
175
290
292
294
296
298
300
302
304
306
308
310



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