參數(shù)資料
型號(hào): R1223N3.62G-TL
廠商: Ricoh Co., Ltd.
英文描述: Analog IC
中文描述: 模擬IC
文件頁(yè)數(shù): 12/19頁(yè)
文件大?。?/td> 207K
代理商: R1223N3.62G-TL
12345
Rev. 1.11
- 2 -
n
n BLOCK DIAGRAM
OSC
VIN
EXT
GND
VOUT
Vref
CE
Chip Enable
Soft Start
Protection
PWM/VFM
CONTROL
n
n SELECTION GUIDE
In the R1223N 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 by designating the part number as shown below;
R1223NXXXX-XX
- - - -
a b c
d
Code
Contents
a
Setting Output Voltage(VOUT):
Stepwise setting with a step of 0.1V in the range of 1.5V to 5.0V is possible.
b
Designation of Oscillator Frequency
2 : fixed
c
Designation of Optional Function
A : 300kHz, with a PWM/VFM alternative circuit, Latch-type protection
B : 500 kHz, with a PWM/VFM alternative circuit, Latch-type protection
C : 300kHz, without a PWM/VFM alternative circuit, Latch-type protection
D : 500kHz, without a PWM/VFM alternative circuit, Latch-type protection
E : 300kHz, with a PWM/VFM alternative circuit, Reset-type protection
F : 500 kHz, with a PWM/VFM alternative circuit, Reset-type protection
G : 300kHz, without a PWM/VFM alternative circuit, Reset-type protection
H : 500kHz, without a PWM/VFM alternative circuit, Reset-type protection
d
Designation of Taping Type;
Ex. :TR,TL(refer to Taping Specification)
”TR” is prescribed as a standard.
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