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參數(shù)資料
| 型號： | R1234D191A |
| 廠商： | Ricoh Co., Ltd. |
| 英文描述： | PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier |
| 中文描述： | 脈寬調(diào)制/ VFM的降壓型DC / DC同步整流變換器 |
| 文件頁數(shù)： | 3/26頁 |
| 文件大小： | 876K |
| 代理商： | R1234D191A |
R1234D
SELECTION GUIDE
3
In the R1234D Series, the output voltage, the oscillator frequency, and the taping type for the ICs can be
selected at the user's request.
The selection can be made with designating the part number as shown below;
R1234Dxx1x-xx-x
←
Part Number
↑
↑
↑
↑
↑
↑
a b c d e f
Code
Designation of Package Type;
D: SON-8
Setting Output Voltage (V
OUT
):
Stepwise setting with a step of 0.1V in the range of 1.2V to 3.3V is possible for A/B
version."00" is for Output Voltage Adjustable C/D version (0.8V to )
c
1: fixed
Designation of Optional Function
A: 500kHz, Fixed Output Voltage
B: 800kHz, Fixed Output Voltage
C: 500kHz, Adjustable Output Voltage
D: 800kHz, Adjustable Output Voltage
Designation of Taping Type;
(Refer to Taping Specification)"TR" is prescribed as a standard.
Designation of Composition of pin plating
-F: Lead free plating
Contents
a
b
d
e
f
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| R1234D191B | PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier |
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| R1234D201B | PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier |
| R1234D271A | PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier |
| R1234D271B | PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| R1234D191B | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier |
| R1234D201A | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier |
| R1234D201B | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier |
| R1234D211A | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier |
| R1234D211B | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier |
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