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參數(shù)資料
| 型號： | 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)： | 16/18頁 |
| 文件大?。?/td> | 327K |
| 代理商： | R1282D002A-TR |
R1282D002A
TYPICAL APPLICATION AND TECHNICAL NOTES
L1
V
OUT1
16
L2
NMOS
R5
R1
R2
C1
PMOS
C8
R3
R4
C2
C9
R11
V
OUT2
R9
Diode
R6
C7
Diode
C6
C4
R7
R8
C3
C5
R10
EXT1
GND
DTC1
V
FB1
V
FB2
DTC2
Vrefout
V
IN
EXT2
AMPOUT1
Components examples
Inductor L1,2
Diode
PMOS
NMOS
Resistance As setting resistors total value for the output voltage, R1
+
R2, R3
+
R4 recommendation value is
100kW or less.
R1
=
47k
R2
=
5.1k
R3
=
30k
R5
=
43k
R6
=
10kW
R7
=
R9
=
22k
R8
=
R10
=
43k
R11
=
220k
Capacitors Ceramic Type
C1
=
C2
=
10
μ
F C3
=
4.7
μ
F
C4
=
0.22
μ
F
C7
=
50pF
C8
=
1
μ
F
C9
=
1000pF
Note) Consider the ratings of external components including voltage tolerance. With the transistor in the circuit
above, V
OUT
=
15V is the voltage setting limit.
6.8
μ
H LDR655312T (TDK)
FS1J3 (Origin Electronics)
Si3443DV (Siliconix)
IRF7601 (International Rectifier)
R4
=
20k
C5
=
0.47
μ
F
C6
=
120pF
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