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參數(shù)資料
| 型號： | RH5RH302B |
| 廠商： | Ricoh Co., Ltd. |
| 元件分類： | 通用總線功能 |
| 英文描述： | High Speed CMOS Logic Presettable Synchronous 4-Bit Binary Up/Down Counter with Asynchronous Reset 16-SOIC -55 to 125 |
| 中文描述： | PWM升壓DC / DC變換器 |
| 文件頁數(shù)： | 8/29頁 |
| 文件大小： | 199K |
| 代理商： | RH5RH302B |
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7
RH5RH
RH5RH302B
Symbol
Item
V
OUT
Output Voltage
V
IN
Input Voltage
Vstart
Oscillator Start-up Voltage
I
DD
1
Supply Current 1
I
DD
2
Supply Current 2
I
EXTH
EXT “H” Output Current
I
EXTL
EXT “L” Output Current
fosc
Oscillator Frequency
Maxdty
Oscillator Maximum Duty
Cycle
t
start
Soft-Start Time
Conditions
MIN.
TYP.
MAX.
Unit
Note
2.925
3.000
3.075
V
8
V
EXT no load,V
OUT
:0
→
2V
0.7
0.8
V
EXT no load,V
OUT
=2.88V
30
50
μA
EXT no load,V
OUT
=3.5V
2
5
μA
V
EXT
=V
OUT
–0.4V
–1.5
mA
V
EXT
=0.4V
1.5
mA
80
100
120
kHz
V
EXT
“H” side
70
80
90
%
Time required for the rising
of V
OUT
up to 3V
0.5
2.0
ms
Note1
V
OUT
=3.0V
Unless otherwise provided, V
IN
=1.8V, Vss=0V, I
OUT
=10mA, Topt=25C, and use External Circuit of Typical
Application (FIG. 2).
RH5RH502B
V
OUT
=5.0V
Unless otherwise provided, V
IN
=3V, Vss=0V, I
OUT
=10mA, Topt=25C and use External Circuit of Typical
Application (FIG. 2).
(Note 1) refer to page 5 (Note 1)
Symbol
Item
V
OUT
Output Voltage
V
IN
Input Voltage
Vstart
Oscillator Start-up Voltage
I
DD
1
Supply Current 1
I
DD
2
Supply Current 2
I
EXTH
EXT “H” Output Current
I
EXTL
EXT “L” Output Current
fosc
Oscillator Frequency
Maxdty
Oscillator Maximum Duty
Cycle
t
start
Soft-Start Time
Conditions
MIN.
TYP.
MAX.
Unit
Note
4.875
5.000
5.125
V
8
V
EXT no load,V
OUT
:0
→
2V
0.7
0.8
V
EXT no load,V
OUT
=4.8V
60
90
μA
EXT no load,V
OUT
=5.5V
2
5
μA
V
EXT
=V
OUT
–0.4V
–2
mA
V
EXT
=0.4V
2
mA
80
100
120
kHz
V
EXT
“H” side
70
80
90
%
Time required for the rising
of V
OUT
up to 5V
0.5
2.0
ms
Note1
相關PDF資料 |
PDF描述 |
|---|---|
| RH5RH303B | High Speed CMOS Logic Presettable Synchronous 4-Bit Binary Up/Down Counter with Asynchronous Reset 16-SOIC -55 to 125 |
| RH5RH311A-T1 | High Speed CMOS Logic Presettable Synchronous 4-Bit Binary Up/Down Counter with Asynchronous Reset 16-SOIC -55 to 125 |
| RH5RH311A-T2 | High Speed CMOS Logic Presettable Synchronous 4-Bit Binary Up/Down Counter with Asynchronous Reset 16-SOIC -55 to 125 |
| RH5RH411A-T1 | PWM STEP-UP DC/DC CONVERTER |
| RH5RH411A-T2 | PWM STEP-UP DC/DC CONVERTER |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| RH5RH302B-T1 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:PWM STEP-UP DC/DC CONVERTER |
| RH5RH302B-T2 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:PWM STEP-UP DC/DC CONVERTER |
| RH5RH303B | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:PWM STEP-UP DC/DC CONVERTER |
| RH5RH303B-T1 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:PWM STEP-UP DC/DC CONVERTER |
| RH5RH303B-T2 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:PWM STEP-UP DC/DC CONVERTER |
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