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參數(shù)資料
| 型號(hào)： | 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)： | 9/24頁 |
| 文件大?。?/td> | 179K |
| 代理商： | RH5RI301B-T2 |
8
RH5RI303B
Symbol
Item
V
OUT
Output Voltage
V
IN
Input Voltage
Vstart
Start-up Voltage
Vhold
Hold-on Voltage
η
Efficiency
I
IN
1
Input Current 1
I
IN
2
Input Current 2
I
LX
Lx Switching Current
I
LX
leak
Lx Leakage Current
I
EXTH
EXT “H” Output Current
I
EXTL
EXT “L” Output Current
V
CEH
1
CE “H” Level 1
V
CEL
1
CE “L” Level 1
V
CEH
2
CE “H” Level 2
V
CEL
2
CE “L” Level 2
I
CEH
CE “H” Input Current
I
CEL
CE “L” Input Current
fosc
Maximum Oscillator
Frequency
Maxdty
Oscillator Duty Cycle
V
LX
lim
V
LX
Voltage Limit
Conditions
MIN.
TYP.
MAX.
Unit
Note
2.925
3.000
3.075
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
70
80
%
To be measured at V
IN
at no load
4
8
μA
To be measured at V
IN
V
IN
=3.5V
2
5
μA
V
LX
=0.4V
60
mA
V
LX
=6V,V
IN
=3.5V
0.5
μA
V
EXT
=V
OUT
–0.4V
–1.5
mA
V
EXT
=0.4V
1.5
mA
V
OUT
≥
1.5V
V
OUT
–0.4
V
V
OUT
≥
1.5V
0.4
V
0.8V
≤
V
OUT
<1.5V
V
OUT
–0.1
V
0.8V
≤
V
OUT
<1.5V
0.1
V
CE=3V
0.5
μA
CE=0V
–0.5
μA
80
100
120
kHz
on (V
LX
“L” )side
65
85
%
Lx Switch on
0.65
0.8
1.0
V
Note
V
OUT
=3.0V
Unless otherwise provided, V
IN
=1.8V, V
SS
=0V, I
OUT
=10mA, Topt=25C, and use External Circuit of Typical
Application (FIG. 3).
(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.
RH5RI
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 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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