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參數(shù)資料
| 型號(hào)： | R1282D002A-TR |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 2CH PWM DC/DC CONTROLLER |
| 中文描述： | DUAL SWITCHING CONTROLLER, 805 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封裝： | 0.90 MM HEIGHT, TSON-10 |
| 文件頁數(shù)： | 11/18頁 |
| 文件大?。?/td> | 327K |
| 代理商： | R1282D002A-TR |
R1282D002A
11
C1
C2
OSCILLOSCOPE
EXT1
GND
DTC1
V
FB1
V
FB2
DTC2
Vrefout
V
IN
C1
C2
OSCILLOSCOPE
EXT1
GND
DTC1
V
FB1
V
FB2
DTC2
Vrefout
V
IN
Test Circuit 7
Test Circuit 8
C1
C2
OSCILLOSCOPE
GND
DTC1
V
FB1
V
FB2
DTC2
Vrefout
V
IN
EXT2
C1
C2
A
GND
AMPOUT1
DTC1
V
FB1
V
FB2
DTC2
Vrefout
V
IN
Test Circuit 9
Test Circuit 10
Typical Characteristics shown in the following pages are obtained with test circuits shown above.
Test Circuit 1,2 :
Test Circuit 3 :
Test Circuit 4 :
Test Circuit 5 :
Test Circuit 6 :
Test Circuit 7 :
Test Circuit 8 :
Test Circuit 9 :
Test Circuit 10 :
Typical Characteristic 4)
Typical Characteristic 5)
Typical Characteristic 5)
Typical Characteristic 6)
Typical Characteristics 7) 8)
Typical Characteristic 9)
Typical Characteristic 10)
Typical Characteristics 10)
Typical Characteristics 11) 12)
Note) Capacitors' values of test circuits
Capacitors: Ceramic Type:
C1
=
4.7
μ
F, C2
=
1.0
μ
F
Efficiency
η
(%) can be calculated with the next formula:
η=
(V
OUT1
×
I
OUT1
+
V
OUT2
×
I
OUT2
)/(V
IN
×
I
IN
)
×
100
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