전자부품 반도체 검색엔진( 무료 PDF 다운로드 ) - 데이터시트뱅크
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R1211D103A 데이터 시트보기 (PDF) - RICOH Co.,Ltd.
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R1211D103A
STEP-UP DC/DC CONTROLLER
RICOH Co.,Ltd.
R1211D103A Datasheet PDF : 40 Pages
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R1211x
•
R1211x002B
Symbol
V
IN
V
FB
∆
V
FB
/
∆
T
I
FB
f
OSC
∆
f
OSC
/
∆
T
Item
Operating Input Voltage
V
FB
Voltage Tolerance
V
FB
Voltage
Temperature Coefficient
VFB Input Current
Oscillator Frequency
Oscillator Frequency
Temperature Coefficient
I
DD1
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
I
STB
I
CEH
I
CEL
V
CEH
V
CEL
UVLO Detector Hysteresis
Standby Current
CE "H" Input Current
CE "L" Input Current
CE "H" Input Voltage
CE "L" Input Voltage
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
V
IN
=
3.3V
→
0V,
V
DLY
=
V
FB
=
0V
V
IN
=
0V
→
3.3V,
V
DLY
=
V
FB
=
0V
V
IN
=
6V, V
CE
=
0V
V
IN
=
6V, V
CE
=
6V
V
IN
=
6V, V
CE
=
0V
V
IN
=
6V, V
CE
=
0V
→
6V
V
IN
=
2.5V, V
CE
=
2V
→
0V
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
595 700 805 kHz
±
1.4
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
−
0.5
−
0.5
1.5
1
µ
A
0.5
µ
A
0.5
µ
A
V
0.3
V
5
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