參數(shù)資料
型號: R1230D281E-TL
廠商: RICOH COMPANY LTD
元件分類: 穩(wěn)壓器
英文描述: SWITCHING REGULATOR, 575 kHz SWITCHING FREQ-MAX, PDSO8
封裝: 0.9 MM HEIGHT, SON-8
文件頁數(shù): 5/20頁
文件大小: 401K
代理商: R1230D281E-TL
Rev. 1.20
- 13 -
0
10
20
30
40
50
60
70
80
90
100
1
10
100
1000
Output Current[mA]
Efficiency
[%]
Vin=3.3V PWM
Vin=3.3V VFM
Vin=5.0V PWM
Vin=5.0V VFM
R1230D181F
0
20
40
60
80
100
1
10
100
1000
Output Current [mA]
Efficiency
[%]
Vin=5.0V PWM
Vin=5.0V VFM
R1230D331F
3) Ripple Voltage vs. Output Current
-0.08
-0.06
-0.04
-0.02
0
0.02
0.04
0.06
-1.00E-06 0.00E+00 1.00E-06 2.00E-06 3.00E-06 4.00E-06 5.00E-06 6.00E-06 7.00E-06 8.00E-06
Time[sec]
Output
Ripple
Voltag
e
Vripple
[V]
VIN=5.0V IOUT=200mA
PWM Mode
R1230D181E
COUT=10uF Tantalum Capacitor ESR=400mohm
0
10
20
30
40
50
60
70
80
0
50
100
150
200
250
300
350
400
450
500
Output Current IOUT[mA]
Output
Ripple
Voltag
e
Vripple[V]
VIN=5.0V
VIN=3.3V
R1230D181F
COUT=10
F Tantalum Capacitor ESR=400m
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