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參數(shù)資料
| 型號： | R1215D002A |
| 廠商： | Ricoh Co., Ltd. |
| 英文描述： | STEP-UP DC/DC CONTOLLER |
| 中文描述： | 升壓型DC /直流位指示 |
| 文件頁數(shù)： | 8/22頁 |
| 文件大小： | 448K |
| 代理商： | R1215D002A |
R1215D
TYPICAL APPLICATIONS AND TECHNICAL NOTES
8
C1
C2
C6
R5
R6
C7
C5
R4
NMOS
C4
R3
Diode
Inductor
R1
R2
C3
V
OUT
V
IN
DELAY
V
REFOUT
EXT
V
FB
AMPOUT
DTC
GND
Inductor
LDR655312T-100 (TDK)
NMOS
CPH6415 (Sanyo)
Diode
C1
C2
C3
C4
C5
C6
C7
CRS02 (Toshiba)
1.0
μ
F
1.0
μ
F
15
μ
F
1000pF
2200pF
1.0
μ
F
1.0
μ
F
R1
R2
R3
R4
R5
R6
160k
20k
1k
4.7k
68k
240k
Use a 1
μ
F or more capacitance value of bypass capacitor between V
IN
pin and GND, C1 as shown in the
typical application above. Connect the capacitor as short as possible to the IC.
In terms of the capacitor for setting delay time of the latch protection, C2 is shown in typical application above.
Latch delay time depends on this C2 value. Refer to the Latch Protection Operation Timing Chart.
Set the C2 GND as close as possible to the IC GND.
Connect a 1
μ
F or more value of capacitor between V
OUT
and GND, C3 as shown in typical application above.
(10
μ
F to 22
μ
F is the capacitance recommendation range.) If the operation of the composed DC/DC converter
may be unstable, use a tantalum type capacitor instead of ceramic type
Connect a capacitor between V
REFOUT
and GND, C6 as shown in typical application of the previous page.
The capacitance value of C6 is between 0.1
μ
F and 1.0
μ
F.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| R1215D002B | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:STEP-UP DC/DC CONTOLLER |
| R1215D002E | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:STEP-UP DC/DC CONTOLLER |
| R1215D002F | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:STEP-UP DC/DC CONTOLLER |
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