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ADP1148 Datasheet(PDF) 6 Page - Analog Devices

Part # ADP1148
Description  High Efficiency Synchronous Step-Down Switching Regulators
PDF  16 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADP1148 Datasheet(HTML) 6 Page - Analog Devices

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(VIN–VOUT) – V
12
12
468
10
1.8
1.6
0.0
0.8
0.6
0.4
0.2
1.4
1.0
1.2
0 C
25 C
70 C
Figure 12. Operating Frequency vs.
(VIN–VOUT)
TEMPERATURE – C
155
120
0
100
25
70
85
150
145
140
135
130
125
MAXIMUM THRESHOLD
Figure 15. Current Sense Threshold
Voltage
OPERATING FREQUENCY – kHz
30
0
20
50
260
80
110
140
170
200
230
25
20
15
10
5
Qn+Qp = 50nC
Qn+Qp = 100nC
Figure 13. Gate Charge Supply
Current
OUTPUT VOLTAGE – V
80
30
0
0.3 0.5
5.0
1.0 1.5 2.0 2.5 3.0 3.3 3.5 4.0 4.5
70
40
20
10
60
50
5V
3.3V
Figure 14. Off Time vs. VOUT
ADP1148, ADP1148-3.3, ADP1148-5–Typical Performance Characteristics
–6–
REV. A



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