參數(shù)資料
型號(hào): R1225N572K-TR
英文描述: SMPS Controller
中文描述: 開關(guān)電源控制器
文件頁數(shù): 12/29頁
文件大?。?/td> 450K
代理商: R1225N572K-TR
12345
Rev. 1.11 - 12 -
G) CE “H” Input Current, CE “L” Input Current
H) Output Delay Time for Protection Circuit
EXT
GND
VOUT
VIN
CE
A
DLY
Oscilloscope
EXT
GND
VOUT
VIN
CE
+
-
C2
DLY
C3
PMOS: HAT1044M (Hitachi) L: CD104-270MC (Sumida, 27
μ
H)
SD1: RB491D (Rohm)
C1: 47
μ
F (Tantalum Type) C2: 47
μ
F (Tantalum Type) C3: 20nF(Ceramic Type)
I
TYPICAL CHARACTERISTICS
Almost all the characteristics of R1225N series are same as R1224N Series. Except the following
characteristics, refer to the datasheet of R1224N Series.
1) Efficiency vs. Output Current
R1225N182A(Vin=3.3V) CDRH127-10uH
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
0.1
1
10
100
1000
10000
Output Current Iout (mA)
E
R1225N182A(Vin=5.0V) CDRH127-10uH
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
0.1
1
10
100
1000
10000
Output Current Iout (mA)
E
R1225N182B(Vin=3.3V) CDRH127-10uH
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
0.1
1
10
100
1000
10000
Output Current Iout (mA)
E
R1225N182B(Vin=5.0V) CDRH127-10uH
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
0.1
1
10
100
1000
10000
Output Current Iout (mA)
E
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