参数资料
型号: R1224N232F-TR
英文描述: SMPS Controller
中文描述: 开关电源控制器
文件页数: 3/36页
文件大小: 503K
代理商: R1224N232F-TR
12345
Rev. 1.12 - 3 -
I
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-TR
a
b
c
Code
a
Contents
Setting Output Voltage(V
OUT
):
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.
Designation of Oscillator Frequency
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
b
c
I
PIN CONFIGURATION
G
SOT-23-5
1
3
V
OUT
CE GND
(V
FB
)
(mark side)
5
4
2
V
IN
EXT
I
PIN DESCRIPTION
Pin No.
Symbol
CE
GND
V
OUT
/(V
FB
) Pin for Monitoring Output Voltage(Feedback Voltage)
EXT
External Transistor Drive Pin(CMOS Output)
V
IN
Power Supply Pin
Description
1
2
3
4
5
Chip Enable Pin (Active with “H”)
Ground Pin
相关PDF资料
PDF描述
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