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參數(shù)資料
| 型號： | RH5RI313B-T1 |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.25 A SWITCHING REGULATOR, 100 kHz SWITCHING FREQ-MAX, PDSO5 |
| 封裝： | SOT-89, 5 PIN |
| 文件頁數(shù)： | 23/24頁 |
| 文件大?。?/td> | 179K |
| 代理商： | RH5RI313B-T1 |
7
RH5RI
RH5RI302B
Symbol
Item
VOUT
Output Voltage
VIN
Input Voltage
Vstart
Oscillator Start-up Voltage
IDD1
Supply Current 1
IDD2
Supply Current 2
IEXTH
EXT “H” Output Current
IEXTL
EXT “L” Output Current
fosc
Maximum Oscillator
Frequency
Maxdty
Oscillator Duty Cycle
Conditions
MIN.
TYP.
MAX.
Unit
Note
2.925
3.000
3.075
V
8V
EXT at no load,VOUT:0
→2V
0.7
0.8
V
EXT at no load,VOUT=2.88V
30
50
A
EXT at no load,VOUT=3.5V
2
5
A
VEXT=VOUT–0.4V
–1.5
mA
VEXT=0.4V
1.5
mA
80
100
120
kHz
VEXT “H” side
65
75
85
%
VOUT=3.0V
Unless otherwise provided, VIN=1.8V, Vss=0V, IOUT=10mA, Topt=25C, and use External Circuit of Typical
Application (FIG. 2).
RH5RI502B
Unless otherwise provided, VIN=3V, Vss=0V, IOUT=10mA, Topt=25C, and use External Circuit of Typical
Application (FIG. 2).
VOUT=5.0V
Symbol
Item
VOUT
Output Voltage
VIN
Input Voltage
Vstart
Oscillator Start-up Voltage
IDD1
Supply Current 1
IDD2
Supply Current 2
IEXTH
EXT “H” Output Current
IEXTL
EXT “L” Output Current
fosc
Maximum Oscillator
Frequency
Maxdty
Oscillator Duty Cycle
Conditions
MIN.
TYP.
MAX.
Unit
Note
4.875
5.000
5.125
V
8V
EXT at no load,VOUT:0
→2V
0.7
0.8
V
EXT at no load,VOUT=4.8V
60
90
A
EXT at no load,VOUT=5.5V
2
5
A
VEXT=VOUT–0.4V
–2
mA
VEXT=0.4V
2
mA
80
100
120
kHz
VEXT “H” side
65
75
85
%
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