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參數(shù)資料
| 型號(hào)： | R1230D251A |
| 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同步整流轉(zhuǎn)換器 |
| 文件頁數(shù)： | 3/20頁 |
| 文件大?。?/td> | 881K |
| 代理商： | R1230D251A |
Rev. 1.12 - 3 -
I
SELECTION GUIDE
In the R1230D 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 by designating the part number as shown below;
R1230DXXXX-XX
↑
↑
↑
↑
a
b
c
d
Code
Contents
a
Setting Output Voltage(V
OUT
):
Stepwise setting with a step of 0.1V in the range of 1.2V to 4.0V is possible for A/B version.
“00” is for Output Voltage Adjustable C/D version
b
1 : fixed
c
Designation of Optional Function
A : 500kHz, Fixed Output Voltage
B : 800 kHz, Fixed Output Voltage
C : 500kHz, Adjustable Output Voltage
D : 800kHz, Adjustable Output Voltage
d
Designation of Taping Type; Ex. :TR,TL(refer to Taping Specification)
”TR” is prescribed as a standard.
I
PIN CONFIGURATION
G
SON-8
*Attention : Tab suspension leads in the
parts have GND level. (They are connected to
the reverse side of this IC.) Do not connect to
other wires or land patterns.
Unit : mm
2.9
±
0.2
0.48TYP
8 5
3
±
0
2
±
0
1 4
0
0.1
0.1
M
0.3
±
0.1
0.65
0
±
0
(
(
*
*
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| R1230D251A-TL | PWM/VFM Step-down DC/DC Converter with Synchronous Rectifier |
| R1230D251A-TR | |
| R1230D251B | |
| R1230D251B-TR | |
| R1230D251C | |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| R1230D251A-TL | 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 |
| R1230D251A-TR | 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 |
| R1230D251B | 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 |
| R1230D251B-TL | 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 |
| R1230D251B-TR | 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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