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參數(shù)資料
| 型號： | R1212D002A |
| 廠商： | Ricoh Co., Ltd. |
| 英文描述： | STEP-UP DC/DC CONTOLLER |
| 中文描述： | 升壓型DC /直流位指示 |
| 文件頁數(shù)： | 7/41頁 |
| 文件大?。?/td> | 690K |
| 代理商： | R1212D002A |
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R1212D
R1212D101C
7
Topt
=
25
°
C
Symbol
V
IN
V
FB
V
FB
/
V
IN
V
FB
Voltage Line Regulation
V
FB
/
Topt
Coefficient
I
FB
V
FB
Input Current
A
V
Open Loop Voltage Gain
f
T
Unity Gain Frequency Band
fosc
Oscillator Frequency
fosc/
V
IN
Regulation
fosc/
Topt
Temperature Coefficient
I
DD1
Supply Current 1
V
REFOUT
V
REFOUT
Voltage
V
REFOUT
Maximum Output
Current
V
REFOUT
/
V
IN
V
REFOUT
/
I
ROUT
Ilim
V
REFOUT
Short Current Limit
V
REFOUT
/
Topt
Coefficient
R
EXTH
EXT "H" ON Resistance
R
EXTL
EXT "L" ON Resistance
tr
EXT Rising Time
tf
EXT Falling Time
I
DLY1
DELAY Pin Charge Current
I
DLY2
DELAY Pin Discharge Current
V
DLY
DELAY Pin Detector Threshold V
IN
=
3.3V, V
FB
=
0V, V
DLY
=
0V to 2V
V
UVLO1
UVLO Detector Threshold
Item
Conditions
Min.
2.2
0.985 1.000 1.015
3
Typ.
Max.
5.5
Unit
V
V
mV
ppm/
°C
Operating Input Voltage
V
FB
Voltage Tolerance
V
IN
=
3.3V
V
IN
: from 2.2V to 5.5V
V
FB
Voltage Temperature
40
°
C
<
=
Topt
<
=
85
°
C
±
150
V
IN
=
5.5V, V
FB
=
0V or 5.5V
V
IN
=
3.3V
V
IN
=
3.3V, A
V
=
0
V
IN
=
3.3V, V
DLY
=
V
FB
=
0V
0.1
240
0.1
360
μ
A
dB
100
1.0
300
MHz
KHz
Oscillator Frequency Line
V
IN
: from 2.2V to 5.5V
25
KHz
Oscillator Frequency
40
°
C
<
=
Topt
<
=
85
°
C
±
0.5
KHz/
°
C
V
IN
=
5.5V, V
DLY
=
V
FB
=
0V EXT at no load
V
IN
=
3.3V, I
ROUT
=
1mA
400
800
μ
A
V
1.478 1.500 1.522
I
OUT
V
IN
=
3.3V
10
mA
V
REFOUT
Line Regulation
V
IN
: from 2.2V to 5.5V
5
10
mV
V
REFOUT
Load Regulation
V
IN
=
3.3V, I
ROUT
: from 0.1mA to 5.0mA
6
15
mV
V
IN
=
3.3V, V
REFOUT
=
0V
20
mA
ppm/
°
C
V
REFOUT
Voltage Temperature
40
°
C
<
=
Topt
<
=
85
°
C
±
150
V
IN
=
3.3V, I
EXT
=
50mA
V
IN
=
3.3V, I
EXT
=
50mA
V
IN
=
3.3V, C
L
=
1000pF
V
IN
=
3.3V, C
L
=
1000pF
V
IN
=
3.3V, V
DLY
=
V
FB
=
0V
V
IN
=
V
FB
=
2.2V, V
DLY
=
0.1V
2.5
1.5
12
8
4.5
0.20
1.00
2.1
V
UVLO1
+
0.2
0.18
0.3
0.75
91.5
1.0
90
6.0
4.0
7.0
0.36
1.05
2.2
ns
ns
2.0
0.08
0.95
2.0
μ
A
mA
V
V
V
IN
=
3.3V to 0V, V
DLY
=
V
FB
=
0V
V
UVLO2
UVLO Released Voltage
V
IN
=
0V to 3.3V, V
DLY
=
V
FB
=
0V
2.45
V
V
DTC0
V
DTC20
V
DTC80
Maxduty
I
AMPH
I
AMPL
Duty
=
0% DTC Pin Voltage
Duty
=
20% DTC Pin Voltage
Duty
=
80% DTC Pin Voltage
Maximum Duty Cycle
AMP "H" Output Current
AMP "L" Output Current
V
IN
=
3.3V
V
IN
=
3.3V
V
IN
=
3.3V
V
IN
=
3.3V
V
IN
=
3.3V, V
AMP
=
1.0V, V
FB
=
0.9V
V
IN
=
3.3V, V
AMP
=
1.0V, V
FB
=
1.1V
0.05
85.5
0.5
50
0.25
97.5
1.8
150
V
V
V
%
mA
μ
A
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| R1212D100A | STEP-UP DC/DC CONTOLLER |
| R1212D100B | STEP-UP DC/DC CONTOLLER |
| R1212D101A | STEP-UP DC/DC CONTOLLER |
| R1212D101C | STEP-UP DC/DC CONTOLLER |
| R1212D102A | STEP-UP DC/DC CONTOLLER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| R1212D100A | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:STEP-UP DC/DC CONTOLLER |
| R1212D100B | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:STEP-UP DC/DC CONTOLLER |
| R1212D101A | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:STEP-UP DC/DC CONTOLLER |
| R1212D101C | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:STEP-UP DC/DC CONTOLLER |
| R1212D102A | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:STEP-UP DC/DC CONTOLLER |
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