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參數(shù)資料
| 型號： | R1211D002A |
| 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(shù)： | 7/33頁 |
| 文件大?。?/td> | 375K |
| 代理商： | R1211D002A |
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Rev. 1.10 - 7 -
G
R1211X002C
Symbol
V
IN
V
FB
V
FB
/
T
I
FB
f
OSC
f
OSC
/
T
I
DD1
maxdty
R
EXTH
(Topt=25
°
C)
Conditions
Operating Input Voltage
V
FB
Voltage Tolerance
V
IN
=3.3V
V
FB
Voltage
Temperature Coefficient
V
FB
Input Current
V
IN
=6V, V
FB
=0V or 6V
Oscillator Frequency
V
IN
=3.3V, V
DLY
=V
FB
=0V
Oscillator Frequency
Temperature Coefficient
Supply Current 1
V
IN
=6V, V
DLY
=V
FB
=0V, EXT at no load
Maximum Duty Cycle
V
IN
=3.3V, EXT “H” side
EXT “H” ON Resistance
V
IN
=3.3V, I
EXT
=-20mA
Item
MIN.
2.5
0.985
TYP.
MAX.
6.0
1.015
Unit
V
V
ppm/
°
C
1.000
±
150
-40
°
C
≤
Topt
≤
85
°
C
-0.1
240
0.1
360
μ
A
kHz
kHz/
°
C
300
±
0.6
-40
°
C
≤
Topt
≤
85
°
C
300
90
5
500
94
10
μ
A
%
82
R
EXTL
EXT “L” ON Resistance
V
IN
=3.3V, I
EXT
=20mA
3
6
I
DLY1
Delay Pin Charge Current
V
IN
=3.3V, V
DLY
=V
FB
=0V
2.0
4.5
7.0
μ
A
I
DLY2
Delay Pin Discharge Current
V
IN
=V
FB
=2.5V, V
DLY
=0.1V
2.5
5.5
9.0
mA
V
DLY
T
START
Soft-start Time
V
UVLO1
UVLO Detector Threshold
V
UVLO2
UVLO Detector Hysteresis V
IN
=0V
→
3.3V, V
DLY
=V
FB
=0V
I
AMP1
AMP “H” Output Current
I
AMP2
AMP “L” Output Current
Delay Pin Detector Threshold
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
0.95
5.0
2.1
0.08
0.45
25
1.00
10.5
2.2
0.13
0.90
50
1.05
16.0
2.3
0.18
1.50
75
V
ms
V
V
mA
μ
A
V
IN
=3.3V, V
AMP
=1V, V
FB
=0.9V
V
IN
=3.3V, V
AMP
=1V, V
FB
=1.1V
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PDF描述 |
|---|---|
| R1211D002A-TR | Step-up DC/DC Controller |
| R1211D002C | Step-up DC/DC Controller |
| R1211D002C-TR | Step-up DC/DC Controller |
| R1221N33AA-TR | Step-down DC/DC Converter with Voltage Detector |
| R1221N50AD-TR | Step-down DC/DC Converter with Voltage Detector |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| R1211D002A-TR | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:Step-up DC/DC Controller |
| R1211D002B | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:STEP-UP DC/DC CONTROLLER |
| R1211D002B-TR | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| R1211D002C | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:STEP-UP DC/DC CONTROLLER |
| R1211D002C-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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