參數(shù)資料
型號(hào): RH5RH411A-T2
廠商: RICOH COMPANY LTD
元件分類: 穩(wěn)壓器
英文描述: PWM STEP-UP DC/DC CONVERTER
中文描述: 0.25 A SWITCHING REGULATOR, 50 kHz SWITCHING FREQ-MAX, PSSO3
封裝: SOT-23, 3 PIN
文件頁(yè)數(shù): 8/29頁(yè)
文件大小: 199K
代理商: RH5RH411A-T2
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
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