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參數資料
| 型號： | ADP1147AR-5 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 穩壓器 |
| 英文描述： | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| 中文描述： | SWITCHING CONTROLLER, 250 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | SOIC-8 |
| 文件頁數： | 6/12頁 |
| 文件大?。?/td> | 195K |
| 代理商： | ADP1147AR-5 |
ADP1147-3.3/ADP1147-5
–6–
REV. 0
3.3V
0V
(a) Continuous Mode Operation
3.3V
0V
(b) Power Saving Mode
Figure 19. C
T
Waveforms
1000pF
SHUTDOWN
P-DRIVE
SENSE(+)
SENSE(–)
ADP1147-3.3
I
TH
C
T
V
IN
1
m
F
R
SENSE
V
OUT
1k
V
3300pF
C
390pF
V
IN
GROUND
C
IN
D1
P-CHANNEL
L
SHUTDOWN
C
OUT
GROUND
PLANE
Figure 20. Circuit Diagram Indicating the Recommended
Ground Plane Scheme for PCB Layout
1
2
3
4
U1
ADP1147-5
P-DRV
SNS–
I
TH
C
T
V
IN
GND
SHD
SNS+
R3
100
V
R4
100
V
R2
0.02
V
V
OUT
5V/3A
C7
2.2nF
C9–C11
220
F
3
10V
OS-CON
+
R1
1k
V
C6
3.3nF
C5
470pF
L1
50
m
H
+
C1
1
m
F
D3
1N4148
R5
20k
V
R6
470
V
Q1
2N3906
Q2
2N2222
R7
220
V
Q4
IRF7403
Q3
VN2222LL
D2
30BQ040
+
C2-C4
220
m
F/16V
OS-CON
C8
1
m
F
D1
1N4148
V
6V TO 14V
8
7
6
5
Figure 21. 5 V/3 A Regulator Using N-Channel Device
IRF7204
L*
50
m
H
1nF
SHUTDOWN
GND
P-DRIVE
SENSE(+)
SENSE(–)
ADP1147-3.3
V
IN
I
TH
C
T
1
m
F
R
SENSE**
50m
V
V
OUT
3.3V/2A
R
C
1k
V
3300pF
C
620pF
V
IN
4V–14V
D1
30BQ040
SHUTDOWN
C
OUT
220
m
F
6.3V
X2
C
IN
100
m
F
25V
*COILTRONICS
CTX50-4
**KRL SL-1-C1-0R050J
Figure 22. 3.3 V/2 A Regulator
LOAD CURRENT – mA
100
95
601
10K
10
E
100
1K
80
75
70
65
90
85
V
IN
= 6 VOLTS
V
IN
= 10 VOLTS
Figure 23. Efficiency vs. Load Current at V
O
= 3.3 V;
Figure 22 Circuit
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ADP1147AR-5-REEL7 | 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel |
| ADP1148 | 制造商:AD 制造商全稱:Analog Devices 功能描述:High Efficiency Synchronous Step-Down Switching Regulators |
| adp11480003rr | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Analog Devices 功能描述: |
| ADP1148-3.3 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:High Efficiency Synchronous Step-Down Switching Regulators(273.94 k) |
| ADP1148-5 | 制造商:AD 制造商全稱:Analog Devices 功能描述:High Efficiency Synchronous Step-Down Switching Regulators |
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