R1230D Datasheet, PDF (3/20 Pages) RICOH electronics devices division – PWM/VFM Step-down DC/DC Converter with Synchronous Rectifier

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 bc d
Code
Contents
a
Setting Output Voltage(VOUT):
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.
s PIN CONFIGURATION
q SON-8
2.9±0.2
0.48TYP
8
5
*
*
1
0.65
4
0.1
0.3±0.1
0.1 M
*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
Rev. 1.12
-3-