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Номер в каталоге
Компоненты Описание
R1211D002C Просмотр технического описания (PDF) - RICOH Co.,Ltd.
Номер в каталоге
Компоненты Описание
производитель
R1211D002C
STEP-UP DC/DC CONTROLLER
RICOH Co.,Ltd.
R1211D002C Datasheet PDF : 40 Pages
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R1211x
ELECTRICAL CHARACTERISTICS
•
R1211x002A
Symbol
V
IN
V
FB
∆
V
FB
/
∆
T
I
FB
f
OS
c
∆
f
OS
c/
∆
T
I
DD1
Item
Operating Input Voltage
V
FB
Voltage Tolerance
V
FB
Voltage
Temperature Coefficient
V
FB
Input Current
Oscillator Frequency
Oscillator Frequency
Temperature Coefficient
Supply Current 1
maxdty
R
EXTH
R
EXTL
I
DLY1
I
DLY2
Maximum Duty Cycle
EXT "H" ON Resistance
EXT "L" ON Resistance
Delay Pin Charge Current
Delay Pin Discharge Current
V
DLY
Delay Pin Detector Threshold
T
START
Soft-start Time
V
UVLO1
UVLO Detector Threshold
V
UVLO2
UVLO Detector Hysteresis
I
AMP1
AMP "H" Output Current
I
AMP2
AMP "L" Output Current
Conditions
V
IN
=
3.3V
−
40
°
C
<=
Topt
<=
85
°
C
V
IN
=
6V, V
FB
=
0V or 6V
V
IN
=
3.3V, V
DLY
=
V
FB
=
0V
−
40
°
C
<=
Topt
<=
85
°
C
V
IN
=
6V, V
DLY
=
V
FB
=
0V,
EXT at no load
V
IN
=
3.3V,
EXT "H" side
V
IN
=
3.3V, I
EXT
=
−
20mA
V
IN
=
3.3V, I
EXT
=
20mA
V
IN
=
3.3V, V
DLY
=
V
FB
=
0V
V
IN
=
V
FB
=
2.5V,
V
DLY
=
0.1V
V
IN
=
3.3V,
V
FB
=
0V,V
DLY
=
0V
→
2V
V
IN
=
3.3V at 90% of
rising edge
V
IN
=
3.3V
→
0V,
V
DLY
=
V
FB
=
0V
V
IN
=
0V
→
3.3V,
V
DLY
=
V
FB
=
0V
V
IN
=
3.3V, V
AMP
=
1V,
V
FB
=0.9V
V
IN
=
3.3V, V
AMP
=
1V,
V
FB
=
1.1V
Min.
2.5
0.985
−
0.1
595
Typ.
1.000
±
150
700
±
1.4
Topt=25°C
Max. Unit
6.0
V
1.015 V
ppm/
°
C
0.1
µ
A
805 kHz
kHz/
°
C
600 900
µ
A
82
90
94
%
5
10
Ω
3
6
Ω
2.5
5.0
7.5
µ
A
2.5
5.5
9.0
mA
0.95 1.00 1.05
V
4.5
9.0 13.5 ms
2.1
2.2
2.3
V
0.08 0.13 0.18
V
0.45 0.90 1.50 mA
30
60
90
µ
A
4
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