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參數資料
| 型號： | R1211N002C |
| 廠商： | Ricoh Co., Ltd. |
| 英文描述： | Step-up DC/DC Controller |
| 中文描述： | 升壓DC / DC控制器 |
| 文件頁數： | 8/33頁 |
| 文件大?。?/td> | 375K |
| 代理商： | R1211N002C |
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Rev. 1.10 - 8 -
G
R1211X002D
Symbol
Item
Conditions
MIN.
TYP.
MAX.
Unit
V
IN
Operating Input Voltage
2.5
6.0
V
V
FB
V
FB
Voltage Tolerance
V
IN
=3.3V
0.985
1.000
1.015
V
V
FB
/
T
I
FB
V
FB
Voltage
Temperature Coefficient
V
FB
Input Current
-40
°
C
≤
Topt
≤
85
°
C
±
150
ppm/
°
C
V
IN
=6V, V
FB
=0V or 6V
-0.1
0.1
μ
A
f
OSC
Oscillator Frequency
V
IN
=3.3V, V
DLY
=V
FB
=0V
240
300
360
kHz
f
OSC
/
T
I
DD1
Oscillator Frequency
Temperature Coefficient
Supply Current 1
-40
°
C
≤
Topt
≤
85
°
C
±
0.6
kHz/
°
C
V
IN
=6V, V
DLY
=V
FB
=0V, EXT at no load
300
500
μ
A
maxdty
Maximum Duty Cycle
V
IN
=3.3V, EXT “H” side
82
90
94
%
R
EXTH
EXT “H” ON Resistance
V
IN
=3.3V, I
EXT
=-20mA
5
10
R
EXTL
EXT “L” ON Resistance
V
IN
=3.3V, I
EXT
=20mA
3
6
μ
A
mA
I
DLY1
I
DLY2
Delay Pin Charge Current V
IN
=3.3V, V
DLY
=V
FB
=0V
Delay Pin Discharge Current
V
IN
=V
FB
=2.5V, V
DLY
=0.1V
2.0
2.5
4.5
5.5
7.0
9.0
V
DLY
Delay Pin Detector Threshold
V
IN
=3.3V, V
FB
=0V, V
DLY
=0V
→
2V
0.95
1.00
1.05
V
T
START
Soft-start Time
V
UVLO1
UVLO Detector Threshold V
IN
=3.3V
→
0V, V
DLY
=V
FB
=0V
V
IN
=3.3V
5.0
2.1
10.5
2.2
16.0
2.3
ms
V
V
UVLO2
UVLO Detector Hysteresis V
IN
=0V
→
3.3V, V
DLY
=V
FB
=0V
I
STB
Standby Current
I
CEH
CE “H” Input Current
I
CEL
CE “L” Input Current
V
CEH
CE “H” Input Voltage
V
CEL
CE “L” Input Voltage
0.08
0.13
0
0.18
1
0.5
0.5
V
μ
A
μ
A
μ
A
V
V
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
-0.5
-0.5
1.5
0.3
相關PDF資料 |
PDF描述 |
|---|---|
| R1211N002C-TR | Step-up DC/DC Controller |
| R1211N002D | Step-up DC/DC Controller |
| R1211N002D-TR | Step-up DC/DC Controller |
| R1211D002A | Step-up DC/DC Controller |
| R1211D002A-TR | Step-up DC/DC Controller |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 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 |
| R1211N002X | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Power Management ICs |
| R1211X | 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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