参数资料
型号: R5220D251B-TR
厂商: RICOH COMPANY LTD
元件分类: 稳压器
英文描述: 0.8 A SWITCHING REGULATOR, 1440 kHz SWITCHING FREQ-MAX, PDSO6
封装: 0.85 MM HEIGHT, TSON-6
文件页数: 9/22页
文件大小: 627K
代理商: R5220D251B-TR
R5220D
17
2-5) VR Supply Current vs. Temperature
R5220D121A
R5220D181A
VIN=3.6V
VIN=5.5V
0
10
5
9
1
7
3
2
4
8
6
Temperature Topt( )
Supply
Current
I
SS2
(
A)
-50
75
25
-25
50
0
100
VIN=3.6V
VIN=5.5V
0
10
5
9
1
7
3
2
4
8
6
Temperature Topt( )
Supply
Current
I
SS2
(
A)
-50
75
25
-25
50
0
100
2-6) Dropout Voltage vs. Output Current
R5220D121A
R5220D181A
-40
25
85
0
800
300
700
100
500
200
600
400
010
40
30
20
50
Output Current IOUT(mA)
Dropout
Voltage
V
DIF
(V)
-40
25
85
0
250
150
200
50
100
010
40
30
20
50
Output Current IOUT(mA)
Dropout
Voltage
V
DIF
(V)
2-7) Ripple Rejection vs. Input Voltage
R5220D121A
R5220D181A
f=400Hz
f=1kHz
f=10kHz
f=100kHz
0
80
40
60
10
20
50
70
30
1.5 2.0
5.0
4.0
3.0
4.5
3.5
2.5
5.5
Input Voltage VIN(V)
Ripple
Rejection
RR(dB)
Ripple 0.2Vp-p,IOUT=25mA,
CIN=none,COUT=Ceramic10
F
f=400Hz
f=1kHz
f=10kHz
f=100kHz
0
80
40
60
10
20
50
70
30
1.5 2.0
5.0
4.0
3.0
4.5
3.5
2.5
5.5
Input Voltage VIN(V)
Ripple
Rejection
RR(dB)
Ripple 0.2Vp-p,IOUT=25mA,
CIN=none,COUT=Ceramic10
F
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R5220D171B-TR 0.8 A SWITCHING REGULATOR, 1440 kHz SWITCHING FREQ-MAX, PDSO6
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