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參數(shù)資料
| 型號： | RP500X |
| 廠商： | Ricoh Co., Ltd. |
| 英文描述： | The RP500X Series are CMOS-based step-down DC/DC Converters with synchronous rectifier. |
| 中文描述： | 該RP500X系列是基于CMOS工藝的降壓直流/直流轉(zhuǎn)換器的同步整流器。 |
| 文件頁數(shù)： | 5/16頁 |
| 文件大?。?/td> | 656K |
| 代理商： | RP500X |
RP500X
ELECTRICAL CHARACTERISTICS
Symbol
5
Item
Condition
Min.
Typ.
Max.
Unit
V
IN
V
OUT
Operating Input Voltage
2.55
-1.5%
-0.024
5.50
+1.5%
0.024
V
V
Step-down Output Voltage
V
IN
=V
CE
=3.6V or V
SET
+1V
V
OUT
≥
1.6V
V
OUT
<1.6V
-40
°
C
≤
T
OPT
≤
85
°
C
V
OUT
/
T
Step-down Output Voltage
Temperature Coefficient
±100
ppm/
°
C
F
OSC
ISS1
ISS2
ISTB
I
CEH
I
CEL
I
VOUTH
I
VOUTL
I
LXLEAKH
I
LXLEAKL
V
CEH
V
CEL
R
ONP
R
ONN
Maxdty
T
START
I
LXLIM
Oscillator Frequency
V
IN
=V
CE
=3.6V or V
SET
+1V
V
IN
=V
CE
=5.5V,V
OUT
=0
V
IN
=V
CE
=5.5V,V
OUT
=5.5V
V
IN
=5.5V,V
CE
=0V
V
IN
=V
CE
=5.5V
V
IN
=5.5V,V
CE
=0V
V
IN
=V
OUT
=5.5V,V
CE
=0V
V
IN
=5.5V,V
CE
=V
OUT
=0V
V
IN
=V
Lx
=5.5V,V
CE
=0V
V
IN
=5.5V,V
CE
=V
Lx
=0V
V
IN
=5.5V
V
IN
=5.5V
I
Lx
=-100mA
I
Lx
=-100mA
-20%
-1
-1
-1
-1
-1
-5
1.0
100
600
1.2
400
100
0
0
0
0
0
0
0
0.5
0.5
120
900
+20%
500
160
5
1
1
1
1
5
1
MHz
μ
A
μ
A
μ
A
μ
A
μ
A
μ
A
μ
A
μ
A
μ
A
V
V
%
μ
s
mA
Supply Current 1
Supply Current 2
Standby Current
CE "H" Input Current
CE "L" Input Current
VOUT "H" Input Current
VOUT "L" Input Current
Lx Leakage Current "H"
Lx Leakage Current "L"
CE "H" Input Voltage
CE "L" Input Voltage
0.4
150
On Resistance of Pch Tr.
On Resistance of Nch Tr.
Max Duty Ratio
Soft-start Time
V
IN
=V
CE
=3.6V or V
SET
+1V
V
IN
=V
CE
=3.6V or V
SET
+1V
Lx Current Limit
T
PROT
V
UVLO1
V
UVLO2
Protection Delay Time
V
IN
=V
CE
=3.6V or V
SET
+1V
V
IN
=V
CE
V
IN
=V
CE
0.5
2.1
2.2
1.5
2.2
2.3
5.0
2.3
2.4
ms
V
V
UVLO Detector Voltage
UVLO Released Voltage
*) Test circuit is "OPEN LOOP" and V
IN
=V
CE
=3.6V or V
SET
+1V, AGND=PGND=0V unless otherwise noted.
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