參數(shù)資料
型號(hào)： RP505K181A-TR
廠商： RICOH COMPANY LTD
元件分類： 穩(wěn)壓器
英文描述： SWITCHING CONTROLLER, 2500 kHz SWITCHING FREQ-MAX, PDSO8
封裝： 2 X 2 MM, HALOGEN FREE AND ROHS COMPLIANT, DFN-8
文件頁數(shù)： 29/32頁
文件大?。?/td> 938K
代理商： RP505K181A-TR
RP505K
6
ELECTRICAL CHARACTERISTICS
RP505Kxx1A/B
(Ta=25
°C)
Symbol
Item
Conditions
Min.
Typ.
Max.
Unit
A/PVIN
Operating Input Voltage
2.3
5.5
V
VOUT≥1.2V
-1.5%
+1.5%
VOUT
Output Voltage
A/PVIN=VCE=3.6V
or VSET+1V
VOUT<1.2V
-0.018
+0.018
V
ΔVOUT/ΔT
Output Voltage Temperature
Coefficient
-40
°C <
= Ta <
= 85°C
±100
ppm/
°C
fosc
Oscillator Frequency
A/PVIN=VCE=3.6V or VSET+1V
2.00
2.25
2.50
MHz
IDD1
Supply Current 1
A/PVIN=VCE=5.5V, VOUT=VSET
×0.8
500
840
μA
VMODE=0V
40
60
IDD2
Supply Current 2
A/PVIN=VCE=
VOUT=
5.5V
VMODE=5.5V
500
840
μA
Istandby
Standby Current
A/PVIN=5.5V,VCE=0V
0
5
μA
ICEH
CE "H" Input Voltage
A/PVIN=VCE=5.5V
-1
0
1
μA
ICEL
CE "L" Input Voltage
A/PVIN=5.5V,VCE=0V
-1
0
1
μA
IMODEH
Mode "H" Input Current
A/PVIN=VMODE=5.5V,VCE=0V
-1
0
1
μA
IMODEL
Mode "L" Input Current
A/PVIN=5.5V,VCE=VMODE=0V
-1
0
1
μA
IVOUTH
VOUT "H" Input Current
1
A/PVIN=VOUT=5.5V,VCE=0V
-1
0
1
μA
IVOUTL
VOUT "L" Input Current
A/PVIN=5.5V,VCE=VOUT=0V
-1
0
1
μA
RLOW
Nch
On Resistance for Auto
Discharge
2
A/PVIN=3.6V,VCE=0V
30
ILXLEAKH
LX Leakage Current "H"
A/PVIN=VLX=5.5V,VCE=0V
-1
0
5
μA
ILXLEAKL
LX Leakage Current "L"
A/PVIN=5.5V,VCE=VLX=0V
-5
0
1
μA
VCEH
CE "H" Input Voltage
A/PVIN=5.5V
1.0
V
VCEL
CE "L" Input Voltage
A/PVIN=2.3V
0.4
V
VMODEH
Mode ”H” Input Voltage
A/PVIN=VCE=5.5V
1.0
V
VMODEL
Mode ”L” Input Voltage
A/PVIN=VCE=2.3V
0.4
V
RONP
On Resistance of Pch Tr.
A/PVIN=3.6V, ILX=100mA
0.23
RONN
On Resistance of Nch Tr.
A/PVIN=3.6V, ILX=100mA
0.20
Maxduty
Oscillator Maximum Duty Cycle
100
%
tstart
Soft-start Time
A/PVIN=VCE=3.6V or VSET+1V
150
300
μs
ILXlim
Lx Current Limit
A/PVIN=VCE=3.6V or VSET+1V
1400
1700
mA
tprot
Protection Delay Time
A/PVIN=VCE=3.6V or VSET+1V
0.5
1.5
5
ms
VUVLO1
UVLO Detector Threshold
A/PVIN=VCE
1.9
2.0
2.1
V
VUVLO2
UVLO Released Voltage
A/PVIN=VCE
2.0
2.1
2.2
V
TTSD
Thermal Shutdown Detector
Temperature
Junction Temperature
140
°C
TTSR
Thermal Shutdown Release
Temperature
Junction Temperature
100
°C
Test circuit is "OPEN LOOP" and AGND=PGND=0V unless otherwise specified.
1) without auto discharge version only
2) with auto discharge version only
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