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參數(shù)資料
| 型號： | RH5RI301B-T2 |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | VFM STEP-UP DC/DC CONVERTER |
| 中文描述： | 0.25 A SWITCHING REGULATOR, 120 kHz SWITCHING FREQ-MAX, PSSO3 |
| 封裝： | SOT-89, 3 PIN |
| 文件頁數(shù)： | 7/24頁 |
| 文件大小： | 179K |
| 代理商： | RH5RI301B-T2 |
6
RH5RI
RH5RI501B
Unless otherwise provided, V
IN
=3V, Vss=0V, I
OUT
=10mA, Topt=25C, and use External Circuit of Typical
Application (FIG. 1).
Symbol
Item
V
OUT
Output Voltage
V
IN
Input Voltage
Vstart
Start-up Voltage
Vhold
Hold-on Voltage
I
IN
1
Input Current 1
I
IN
2
Input Current 2
I
LX
Lx Switching Current
I
LX
leak
Lx Leakage Current
fosc
Maximum Oscillator
Frequency
Maxdty
Oscillator Duty Cycle
η
Efficiency
V
LX
lim
V
LX
Voltage Limit
Conditions
MIN.
TYP.
MAX.
Unit
Note
4.875
5.000
5.125
V
8
V
I
OUT
=1mA,V
IN
:0
→
2V
0.8
0.9
V
I
OUT
=1mA,V
IN
:2
→
0V
0.7
V
To be measured at V
IN
at no load
6
12
μA
To be measured at V
IN
V
IN
=5.5V
2
5
μA
V
LX
=0.4V
80
mA
V
LX
=6V,V
IN
=5.5V
0.5
μA
80
100
120
kHz
on (V
LX
“L” ) side
65
75
85
%
70
80
%
Lx Switch On
0.65
0.8
1.0
V
Note2
V
OUT
=5.0V
(
Note
)
I
LX
is gradually increased by the external inductor after Lx Switch is turned ON. In accordance with the increase of I
LX
, V
LX
is also increased.
When V
LX
reaches V
LX
lim
, Lx Switch is turned OFF by Lx Switch Protection Circuit. The time period from the time at which V
LX
reaches V
LX
lim
to
the time at which Lx Switch is turned OFF is about 3μs.
相關(guān)PDF資料 |
PDF描述 |
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| RH5RI302B | VFM STEP-UP DC/DC CONVERTER |
| RH5RI302B-T1 | VFM STEP-UP DC/DC CONVERTER |
| RH5RI302B-T2 | VFM STEP-UP DC/DC CONVERTER |
| RH5RI303B | VFM STEP-UP DC/DC CONVERTER |
| RH5RL | POWER MANAGEMENT ICs MARK INFORMATIONS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| RH5RI302B | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:VFM STEP-UP DC/DC CONVERTER |
| RH5RI302B-T1 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:VFM STEP-UP DC/DC CONVERTER |
| RH5RI302B-T2 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:VFM STEP-UP DC/DC CONVERTER |
| RH5RI303B | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:VFM STEP-UP DC/DC CONVERTER |
| RH5RI303B-T1 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:VFM STEP-UP DC/DC CONVERTER |
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