參數資料
型號: R1234D121A
廠商: Ricoh Co., Ltd.
英文描述: PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier
中文描述: 脈寬調制/ VFM的降壓型DC / DC同步整流變換器
文件頁數: 3/26頁
文件大?。?/td> 876K
代理商: R1234D121A
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
相關PDF資料
PDF描述
R1234D121B PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier
R1234D131A PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier
R1234D131B PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier
R1234D141A PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier
R1234D141B PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier
相關代理商/技術參數
參數描述
R1234D121B 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
R1234D131A 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
R1234D131B 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
R1234D141A 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
R1234D141B 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