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R1230D181B-TR 参数 Datasheet PDF下载

R1230D181B-TR图片预览
型号: R1230D181B-TR
PDF下载: 下载PDF文件 查看货源
内容描述: PWM / VFM降压型DC / DC转换器,同步整流器 [PWM/VFM Step-down DC/DC Converter with Synchronous Rectifier]
分类和应用: 转换器
文件页数/大小: 20 页 / 881 K
品牌: RICOH [ RICOH ELECTRONICS DEVICES DIVISION ]
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s
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
a
Contents
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
1 : fixed
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
Designation of Taping Type; Ex. :TR,TL(refer to Taping Specification)
”TR” is prescribed as a standard.
b
c
d
s
PIN CONFIGURATION
q
SON-8
2.9±0.2
0.48TYP
8
5
(0.2)
2.8
±
0.2
3.0
±
0.2
*
*
1
0.13
±
0.05
4
0.9 MAX.
*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.
0.65
0.3±0.1
0.1
0.1
M
Unit : mm
Rev. 1.12
-3-
(0.2)