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R1224N 数据表(PDF) 3 Page - RICOH electronics devices division

部件名 R1224N
功能描述  PWM/VFM step-down DC/DC Converter
Download  42 Pages
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制造商  RICOH [RICOH electronics devices division]
网页  http://www.ricoh.com
标志 RICOH - RICOH electronics devices division

R1224N 数据表(HTML) 3 Page - RICOH electronics devices division

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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 c d e
f
Code
Contents
a
Designation of Package Type;
N: SOT-23-5
b
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.
c
2: fixed
d
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
e
Designation of Taping Type;
(Refer to Taping Specification)"TR" is prescribed as a standard.
f
Designation of Composition of pin plating
-F: Lead free plating
3


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