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ADP3050 Datasheet(PDF) 6 Page - Analog Devices

Part # ADP3050
Description  200 kHz, 1 A High-Voltage Step-Down Switching Regulator
PDF  16 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADP3050 Datasheet(HTML) 6 Page - Analog Devices

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ADP3050
–6–
REV. 0
LOAD CURRENT – A
0.8
0.0
0.1
1.0
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
0.7
0.4
0.3
0.2
0.1
0.6
0.5
VIN = 10V
Figure 13. Switch Saturation Voltage vs. Load Current
AMBIENT TEMPERATURE – C
196
190
45
85
35
25
15
5
5
15
25
35455565
75
198
194
192
204
200
208
202
VIN = 10V
ILOAD = 250 A
206
210
Figure 14. Switching Frequency vs. Temperature
NORMALIZED FEEDBACK VOLTAGE – V
250
200
0
0
1.0
0.2
0.4
0.6
0.8
150
100
50
VIN = 10V
COMP = 0.4V
Figure 15. Frequency Foldback
TIME – 1 s/DIV
VIN = 10V
VOUT = 5V
ILOAD = 800mA
L = 33 H
CIN = 22 F
COUT = 100 F
VSW = 5V/DIV
IL = 500mA/DIV
0V
0A
Figure 16. Continuous Conduction-Mode Waveforms
TIME – 1 s/DIV
VIN = 10V
VOUT = 5V
ILOAD = 100mA
L = 33 H
CIN = 22 F
COUT = 100 F
VSW = 5V/DIV
IL = 500mA/DIV
0V
0A
Figure 17. Discontinuous Conduction-Mode Waveforms
VIN = 10V
VOUT = 5V
ILOAD = 100mA TO 1A SWITCHED
L = 33 H
CIN = 22 F
COUT = 100 F
TIME – 400 s/DIV
VOUT = 20mV/DIV
ILOAD
5V
1A
0A
Figure 18. Transient Response



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