參數(shù)資料
型號(hào): R5220D321B-TR
廠商: RICOH COMPANY LTD
元件分類: 穩(wěn)壓器
英文描述: 0.8 A SWITCHING REGULATOR, 1440 kHz SWITCHING FREQ-MAX, PDSO6
封裝: 0.85 MM HEIGHT, TSON-6
文件頁(yè)數(shù): 10/22頁(yè)
文件大?。?/td> 627K
代理商: R5220D321B-TR
R5220D
18
2-8) VR Ripple Rejection vs. Frequency
R5220D121A
R5220D181A
IOUT=50mA
IOUT=25mA
IOUT=1mA
0
100
60
80
20
10
30
40
70
90
50
0.1
10
1
100
Frequency f (kHz)
Ripple
Rejection(dB)
VIN=2.2V+0.2Vp-p
CIN=none COUT=Ceramic10
F
IOUT=50mA
IOUT=25mA
IOUT=1mA
0
100
60
80
20
10
30
40
70
90
50
0.1
10
1
100
Frequency f (kHz)
Ripple
Rejection(dB)
VIN=2.8V+0.2Vp-p
CIN=none COUT=Ceramic10
F
2-9) Input Transient Response
R5220D121A
R5220D181A
1.16
1.28
1.20
1.24
1.22
1.26
1.18
0.0
0.2
0.6
0.8
0.4
1.0
Time T(ms)
Output
Voltage(V)
IOUT=10mA
CIN=none, COUT=Ceramic10
F
1
0
5
4
3
2
Input
Voltage(V)
1.76
1.88
1.80
1.84
1.82
1.86
1.78
0.0
0.2
0.6
0.8
0.4
1.0
Time T(ms)
Output
Voltage(V)
IOUT=10mA
CIN=none, COUT=Ceramic10
F
1
0
5
4
3
2
Input
Voltage(V)
2-10) Load Transient Response
R5220D121A
0mA
10mA
0mA
1.10
1.40
1.20
1.30
1.25
1.35
1.15
0.0
0.8
2.4
3.2
1.6
4.0
Time T(
s)
Output
Voltage(V)
VIN=3.6V,CIN=COUT=Ceramic10
F
50
25
0
Load
Current(mA)
1mA
25mA
1mA
1.10
1.40
1.20
1.30
1.25
1.35
1.15
0.0
0.8
2.4
3.2
1.6
4.0
Time (
s)
Output
Voltage(V)
VIN=3.6V,CIN=COUT=Ceramic10
F
Load
Current(mA)
50
25
0
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