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R1211D102A 데이터 시트보기 (PDF) - RICOH Co.,Ltd.
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R1211D102A
STEP-UP DC/DC CONTROLLER
RICOH Co.,Ltd.
R1211D102A Datasheet PDF : 40 Pages
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R1211x
•
R1211x002C
Symbol
V
IN
V
FB
∆
V
FB
/
∆
T
I
FB
f
OSC
∆
f
OSC
/
∆
T
I
DD1
maxdty
R
EXTH
R
EXTL
I
DLY1
I
DLY2
V
DLY
T
START
V
UVLO1
V
UVLO2
I
AMP1
I
AMP2
Item
Operating Input Voltage
V
FB
Voltage Tolerance
V
FB
Voltage
Temperature Coefficient
VFB Input Current
Oscillator Frequency
Oscillator Frequency
Temperature Coefficient
Supply Current 1
Maximum Duty Cycle
EXT "H" ON Resistance
EXT "L" ON Resistance
Delay Pin Charge Current
Delay Pin Discharge Current
Delay Pin Detector Threshold
Soft-start Time
UVLO Detector Threshold
UVLO Detector Hysteresis
AMP "H" Output Current
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, IEXT
=−
20mA
V
IN
=
3.3V, IEXT
=
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
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
Typ.
1.000
Topt=25°C
Max. Unit
6.0
V
1.015 V
±
150
ppm/°C
−
0.1
0.1
µ
A
240 300 360 kHz
±
0.6
kHz/°C
300 500
µ
A
82
90
94
%
5
10
Ω
3
6
Ω
2.0
4.5
7.0
µ
A
2.5
5.5
9.0
mA
0.95 1.00 1.05
V
5.0 10.5 16.0 ms
2.1
2.2
2.3
V
0.08 0.13 0.18
V
0.45 0.90 1.50 mA
25
50
75
µ
A
6
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