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參數(shù)資料
| 型號： | RH5RI303B-T2 |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | VFM STEP-UP DC/DC CONVERTER |
| 中文描述： | 0.25 A SWITCHING REGULATOR, 120 kHz SWITCHING FREQ-MAX, PDSO5 |
| 封裝： | SOT-89, 5 PIN |
| 文件頁數(shù)： | 18/24頁 |
| 文件大?。?/td> | 179K |
| 代理商： | RH5RI303B-T2 |
2
RH5RI
×××× – ×× ← Part Number
↑↑
↑
ab
c
SELECTION GUIDE
In RH5RI Series, the output voltage, the driver, and the taping type for the ICs can be selected at the user's
request. The selection can be made by designating the part number as shown below :
For example, the product with Output Voltage 5.0V, the External Driver (the Oscillator Frequency 100kHz)
and Taping Type T1, is designated by Part Number RH5RI502B-T1.
Code
Contents
Setting Output Voltage (VOUT):
a
Stepwise setting with a step of 0.1V in the range of 2.5V to 7.5V is possible.
Designation of Driver:
1B: Internal Lx Tr. Driver (Oscillator Frequency 100kHz)
b
2B: External Tr. Driver (Oscillator Frequency 100kHz)
3B: Internal Tr./External Tr. (selectively available) (Oscillator Frequency 100kHz, with chip
enable function)
Designation of Taping type :
c
Ex. SOT-89
: T1, T2
SOT-89-5 : T1, T2
(refer to Taping Specification)
“T1” is prescribed as a standard.
RH5RI
BLOCK DIAGRAM
Lx
Vss
EXT
LxSW
CE
Error Amp.
OUT
VLX limiter
Buffer
VFM Control
OSC 100kHz
Chip Enable
Vref
+
–
(Note) Lx Pin............only for RH5RI
××1B and RH5RI××3B
EXT Pin.........only for RH5RI
××2B and RH5RI××3B
CE Pin...........only for RH5RI
××3B
}
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| RH5RI311A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
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| RH5RI313B | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| RH5RI321A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| RH5RI322B | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
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