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参数资料
| 型号： | R5220D321B-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： | 5/22页 |
| 文件大小： | 627K |
| 代理商： | R5220D321B-TR |
R5220D
13
TYPICAL CHARACTERISTICS
1) DC/DC Converter
1-1) DC/DC Output Voltage vs. Output Current
1-2) DC/DC Output Voltage vs. Input Voltage
R5220D181A
2.8V
3.6V
5.5V
1.76
1.77
1.84
1.82
1.83
1.79
1.80
1.78
1.81
0
100
300
200
400
Output Current(mA)
Output
Voltage
(V)
1mA
50mA
250mA
2.5
3.5
5.0
3.0
4.5
4.0
5.5
Input Voltage(V)
Output
Voltage
(V)
1.76
1.77
1.78
1.79
1.80
1.82
1.81
1.83
1.84
1-3) DC/DC Efficiency vs. Output Current
1-4) DC/DC Supply Current vs. Temperature
R5220D181A
2.8V
3.6V
5.5V
0
20
100
60
80
40
Output Current(mA)
Efficiency(%)
0.1
1
100
10
1000
200
240
220
400
360
280
380
320
260
300
340
Temperature Topt(
°C)
Supply
Current
I
SS
(
A
)
DC/DC_VSET : 1.0V
DC/DC_VSET : 1.8V
VIN=VCE=VMODE=3.6V
-50
75
25
-25
50
0
100
1-5) DC/DC Supply Current vs. Input Voltage
1-6) DC/DC Output Waveform
R5220D121A
Input Voltage(V)
Supply
Current
I
SS
(
A
)
200
220
240
260
280
320
300
360
340
380
400
VIN=VCE=VMODE
-50
75
25
-25
50
0
100
1.14
1.26
1.24
1.16
1.20
1.18
1.22
03
14
25
Time(
s)
Output
Ripple
Voltage(V)
CIN=COUT=Ceramic 10
F,L=4.7H
VIN=3.6V,IOUT=300mA
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相关代理商/技术参数 |
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| R5220K022A | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:PWM Step-down DC/DC Converter with switch function |
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