RP131J471D-T1-F [RICOH]
Fixed Positive LDO Regulator, 4.7V, CMOS, PSSO5, ROHS COMPLIANT, TO-252, 5 PIN;
| 型号： | RP131J471D-T1-F |
| 厂家： | 
RICOH ELECTRONICS DEVICES DIVISION |
| 描述： | Fixed Positive LDO Regulator, 4.7V, CMOS, PSSO5, ROHS COMPLIANT, TO-252, 5 PIN |
| 文件： | 总2页 (文件大小：145K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
RP131x Series
1A LDO
The RP131x Series are CMOS-based LDO regulators featuring 1A output with low on-resistance. The CMOS process provides both
large output current and low supply current. The dropout voltage is significantly lower than bipolar regulators. The RP131x handles
low voltage with an input voltage from 1.6V and an output voltage from 0.8V. Accordingly, the device supports highly integrated, low
voltage-driven LSI as a rear stage of the DC/DC converter. The CE pin can switch the regulator into standby mode. In addition to a
fold-back protection circuit built into conventional LDO regulators, RP131x has a thermal shutdown circuit and inrush current limit
circuit. Ceramic capacitors can be used.
FEATURES
• Supply Current (ISS) ························Typ. 65μA (VIN=6.5V)
• Line Regulation·······························Typ. 0.05%/V
• Fold-back Protection Circuit············Current limit Typ. 250mA
• Inrush Current Limit Circuit·············Typ. 500mA
• Thermal Shutdown Circuit ··············Stops at 165°C.
• Packages········································DFN (PLP)1820-6,
SOT-89-5, HSOP-6J
• Standby Current (Istandby) ·················Typ. 0.15μA (Same as above, CE=“L”)
• Dropout Voltage (VDIF) ····················Typ. 0.5V (IOUT=1A, VOUT=2.8V)
<
• Ripple Rejection (RR)·····················Typ. 70dB (f=1kHz, VOUT 3.3V),
=
Typ. 60dB (f=1kHz, VOUT>3.3V)
• Input Voltage Range (VIN)···············1.6V to 6.5V
• Output Voltage Range (VOUT)··········0.8V to 5.0V (internally fixed)
• Output Voltage Accuracy ················± 1%
TO-252-5-P2
• Ceramic capacitors can be used. ···2.2μF or more (VOUT 3.6V)
=
>
4.7μF or more (VOUT 3.6V)
• Temp. coeff. of Output Voltage ·······Typ. ± 100ppm/°C
(The above shows specification at Topt=25 C. Design assurance value at -40 C Topt 85 C is also available. For details, please refer to the datasheet.)
°
°
°
=
=
BLOCK DIAGRAMS
R131xxx1B
(Without Auto-Discharge function)
R131xxx1D
(With Auto-Discharge function)
V
DD
V
DD
V
OUT
V
OUT
Vref
Vref
Current Limit
Current Limit
Thermal Shutdown
Thermal Shutdown
CE
GND
CE
GND
SELECTION GUIDES
.
xx
.
: Specify the output voltage within the range 0.8V(
in 0.1V steps.
.
08
.
) to 5.0V(
.
50
.
)
Package
DFN(PLP)1820-6
SOT-89-5
HSOP-6J
TO-252-5-P2
Quantity per Reel
Part No.
5,000 pcs
1,000 pcs
1,000 pcs
3,000 pcs
RP131K
.
xx
.
1
.
∗-TR
: Select from (
.
B
.
) without auto-discharge function or
.
∗
RP131H
.
xx
.
1
.
∗-T1-F
(.
D
.
) with auto-discharge function.
RP131S
.
xx
.
1
.
∗-E2-F
RP131J
.
xx
.
1
.
∗-T1-F
PACKAGES (Top View)
TYPICAL CHARACTERISTIC
RP131x331x Dropout Voltage vs. Output Current
DFN
(
PLP
)
1820-6
SOT-89-5
HSOP-6J
TO-252-5-P2
6
5
4
6
5
4
5
4
1.4
85°C
∗
1.2
25°C
1.0
-40°C
0.8
0.6
0.4
0.2
0
1
2
3
1
2
3
1
2
3
1
2
3
4
5
1
1
∗
∗
1
2
3
4
5
6
1
NC
GND
CE
VDD
VOUT
1 VOUT
2
3 NC
4 CE
5
1 VOUT
2
3
4 CE
5 VDD
VOUT
VOUT
GND
CE
VDD
VDD
1
1
1
GND∗
GND∗
GND∗
2
3
4
5
1
1
GND∗
∗
∗
0
100 200 300 400 500 600 700 800 9001000
Output Current IOUT (mA)
1
6 VDD
) The tab is substrate level (GND).
∗
∗1) The VOUT pin, VDD pin and GND pin must be wired each other when it is mounted on board.
APPLICATIONS
• Power source for hand-held communication equipment, cameras, and VCRs • Power source for laptop personal computers and home appliances
• Power source for battery-powered equipment
No.EK-174-091101
CMOS LDO Regulator
1.The products and the product specifications described in this document are subject to change or
discontinuation of production without notice for reasons such as improvement. Therefore, before
deciding to use the products, please refer to Ricoh sales representatives for the latest
information thereon.
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described herein.
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example application circuits for the products. The release of such information is not to be
construed as a warranty of or a grant of license under Ricoh's or any third party's intellectual
property rights or any other rights.
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components in standard applications (office equipment, telecommunication equipment,
measuring instruments, consumer electronic products, amusement equipment etc.). Those
customers intending to use a product in an application requiring extreme quality and reliability,
for example, in a highly specific application where the failure or misoperation of the product
could result in human injury or death (aircraft, spacevehicle, nuclear reactor control system,
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devices, life support system etc.) should first contact us.
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persons or damages to property resulting from such failure, customers should be careful enough
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damage arising from misuse or inappropriate use of the products.
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concerning the products or the technical information.
RICOH COMPANY., LTD. Electronic Devices Company
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■
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