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參數(shù)資料
| 型號： | R1215D002F-TR-F |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.08 A SWITCHING CONTROLLER, 1400 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | ROHS COMPLIANT, SON-8 |
| 文件頁數(shù)： | 19/20頁 |
| 文件大?。?/td> | 363K |
| 代理商： | R1215D002F-TR-F |
R1215D
8
TYPICAL APPLICATIONS AND TECHNICAL NOTES
C1
C2
C6
R5
R6
C7
C5
R4
NMOS
C4
R3
Diode
Inductor
R1
R2
C3
VOUT
VIN
DELAY
VREFOUT
EXT
VFB
AMPOUT
DTC
GND
Inductor
LDR655312T-100 (TDK)
NMOS
CPH6415 (Sanyo)
Diode
CRS02 (Toshiba)
C1
1.0
μF
R1
160k
Ω
C2
1.0
μF
R2
20k
Ω
C3
15
μF
R3
1k
Ω
C4
1000pF
R4
4.7k
Ω
C5
2200pF
R5
68k
Ω
C6
1.0
μF
R6
240k
Ω
C7
1.0
μF
Use a 1
μF or more capacitance value of bypass capacitor between VIN 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 1μF or more value of capacitor between VOUT and GND, C3 as shown in typical application above.
(10
μF to 22μF 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 VREFOUT and GND, C6 as shown in typical application of the previous page.
The capacitance value of C6 is between 0.1
μF and 1.0μF.
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