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R1224N592L

PWM/VFM step-down DC/DC Converter

RICOH Co.,Ltd. 

R1224N

SELECTION GUIDE

In the R1224N Series, the output voltage, the oscillator frequency, the optional function, 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;

R1224Nxx2x-xx-x ←Part Number

↑ ↑ ↑↑ ↑ ↑

a b cd e f

Code

a

b

c

d

e

f

Contents

Designation of Package Type;

N: SOT-23-5

Setting Output Voltage (VOUT):

Stepwise setting with a step of 0.1V in the range of 1.2V to 6.0V is possible.

Adjustable type; a=10 means Reference Voltage=1.0V Optional Function is G/H/M.

2: fixed

Designation of Optional Function

E : 300kHz, with a PWM/VFM alternative circuit

F : 500kHz, with a PWM/VFM alternative circuit

G : 300kHz, without a PWM/VFM alternative circuit

H : 500kHz, without a PWM/VFM alternative circuit

L : 180kHz, with a PWM/VFM alternative circuit

M :180kHz, without a PWM/VFM alternative circuit

Designation of Taping Type;

(Refer to Taping Specification)"TR" is prescribed as a standard.

Designation of Composition of pin plating

-F: Lead free plating

3

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