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參數(shù)資料
| 型號(hào)： | R1211N002B |
| 廠商： | Ricoh Co., Ltd. |
| 英文描述： | STEP-UP DC/DC CONTROLLER |
| 中文描述： | 升壓型DC / DC控制器 |
| 文件頁(yè)數(shù)： | 6/40頁(yè) |
| 文件大小： | 385K |
| 代理商： | R1211N002B |
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R1211x
R1211x002C
6
Topt=25°C
Unit
Symbol
Item
Conditions
Min.
Typ.
Max.
V
IN
Operating Input Voltage
2.5
6.0
V
V
FB
V
FB
Voltage Tolerance
V
FB
Voltage
Temperature Coefficient
VFB Input Current
V
IN
=
3.3V
0.985
1.000
1.015
V
V
FB
/
T
40
°
C
<
=
Topt
<
=
85
°
C
±
150
ppm/°C
I
FB
V
IN
=
6V, V
FB
=
0V or 6V
V
IN
=
3.3V, V
DLY
=
V
FB
=
0V
0.1
0.1
μ
A
f
OSC
Oscillator Frequency
Oscillator Frequency
Temperature Coefficient
240
300
360
kHz
f
OSC
/
T
40
°
C
<
=
Topt
<
=
85
°
C
±
0.6
kHz/°C
I
DD1
Supply Current 1
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
300
500
μ
A
maxdty
Maximum Duty Cycle
82
90
94
%
R
EXTH
EXT "H" ON Resistance
5
10
μ
A
mA
R
EXTL
EXT "L" ON Resistance
3
6
I
DLY1
Delay Pin Charge Current
2.0
4.5
7.0
I
DLY2
Delay Pin Discharge Current
2.5
5.5
9.0
V
DLY
Delay Pin Detector Threshold
0.95
1.00
1.05
V
T
START
Soft-start Time
5.0
10.5
16.0
ms
V
UVLO1
UVLO Detector Threshold
2.1
2.2
2.3
V
V
UVLO2
UVLO Detector Hysteresis
0.08
0.13
0.18
V
I
AMP1
AMP "H" Output Current
0.45
0.90
1.50
mA
I
AMP2
AMP "L" Output Current
25
50
75
μ
A
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| R1211N002B-TR | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| R1211N002C | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:STEP-UP DC/DC CONTROLLER |
| R1211N002C-TR | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:Step-up DC/DC Controller |
| R1211N002D | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:STEP-UP DC/DC CONTROLLER |
| R1211N002D-TR | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:Step-up DC/DC Controller |
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