R1131N181D-TR-FE [RICOH]
Fixed Positive LDO Regulator, 1.8V, CMOS, PDSO5, SOT-23, 5 PIN;
| 型号： | R1131N181D-TR-FE |
| 厂家： | 
RICOH ELECTRONICS DEVICES DIVISION |
| 描述： | Fixed Positive LDO Regulator, 1.8V, CMOS, PDSO5, SOT-23, 5 PIN 光电二极管 输出元件 调节器 |
| 文件： | 总2页 (文件大小：264K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
R1131x Series
Low Voltage 300mA LDO
The R1131x Series are CMOS-based LDO regulators featuring 300mA output. The input voltage (VIN) is as low as Min. 1.4V and the
output voltage can be set from 0.8V. The CE pin can switch the regulator into standby mode. Ceramic capacitors can be used.
(VOUT ≥ 1.0V)
FEATURES
<
• Supply Current (ISS) ························Typ. 80μA (VIN=SET VOUT+1.0V, VOUT 1.8V) • Output Voltage Accuracy ················± 2%
Typ. 60μA (Same as above, VOUT
≥
1.8V)
• Temp. coeff. of Output Voltage ·······Typ. ± 100ppm/°C
• Line Regulation·······························Typ. 0.01%/V
• Fold-back Protection Circuit············Current limit Typ. 50mA
• Auto-Discharge function ·················D Version
• Standby Current (Istandby) ·················Typ. 0.1μA (Same as above, in standby)
• Dropout Voltage (VDIF) ····················Typ. 0.23V (IOUT=300mA, VOUT=2.8V)
• Ripple Rejection (RR)·····················Typ. 65dB (f=1kHz)
• Input Voltage Range (VIN)···············1.4V to 6.0V
• Output Voltage Range (VOUT)··········0.8V to 3.3V (internally fixed)
• Packages········································SON-6, SOT-23-5
• Ceramic capacitors can be used. ···1μF or more (VOUT
≥ 1.0V)
BLOCK DIAGRAMS
R1131xxxxA
R1131xxxxB
R1131xxxxD
(
"L" active)
(CE pin "H" active)
(With Auto-Discharge function)
CE
pin
V
DD
VOUT
VDD
VOUT
V
DD
VOUT
-
+
-
-
+
Vref
+
Vref
Vref
Current Limit
Current Limit
Current Limit
GND
GND
GND
CE
CE
CE
SELECTION GUIDES
.
xx
.
: Specify the output voltage within the range of 0.8V (
in 0.1V steps.
.
08
.
) to 3.3V (
.
33
.
)
Halogen Free
Package
SON-6
Q'ty per Reel
3,000 pcs R1131D
3,000 pcs R1131N
Part No.
.
xx.
1.
∗-TR-FE
∗-TR-FE
.
.
: Select the polarity of the CE pin from (
.
A
.
) "L" active, (
.
B
.
) "H" active or
∗
SOT-23-5
.
xx.
1.
(.
D
.
)
"H" active with auto-discharge function
.
PACKAGES (Top View)
TYPICAL CHARACTERISTIC
R1131x33xx Dropout Voltage vs. Output Current
SON-6
SOT-23-5
5
4
6
5
4
0.40
∗
85°C
0.35
25°C
0.30
-40°C
0.25
0.20
0.15
0.10
0.05
0
1
2
3
1
2
3
1
2
3
4
5
6
VDD
NC
VOUT
NC
1
2
3
4
5
VDD
GND
or CE
CE
NC
VOUT
GND
0
50
100
150 200 250 300
CE or CE
Output Current IOUT (mA)
∗) The tab suspension leads on back side are substrate level (GND).
APPLICATIONS
• Power source for hand-held communication equipment, cameras, and VCRs • Power source for battery-powered equipment
• Power source for home appliances
No.EK-116-130419
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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without prior written consent of Ricoh.
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exporting or otherwise taking out of your country the products or the technical information
described herein.
4.The technical information described in this document shows typical characteristics of and
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.
5.The products listed in this document are intended and designed for use as general electronic
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,
traffic control system, automotive and transportation equipment, combustion equipment, safety
devices, life support system etc.) should first contact us.
6.We are making our continuous effort to improve the quality and reliability of our products, but
semiconductor products are likely to fail with certain probability. In order to prevent any injury to
persons or damages to property resulting from such failure, customers should be careful enough
to incorporate safety measures in their design, such as redundancy feature, firecontainment
feature and fail-safe feature. We do not assume any liability or responsibility for any loss or
damage arising from misuse or inappropriate use of the products.
7.Anti-radiation design is not implemented in the products described in this document.
8.Please contact Ricoh sales representatives should you have any questions or comments
concerning the products or the technical information.
For the conservation of the global environment, Ricoh is advancing the decrease of the negative environmental impact material.
After Apr. 1, 2006, we will ship out the lead free products only. Thus, all products that will be shipped from now on comply with RoHS Directive.
Basically after Apr. 1, 2012, we will ship out the Power Management ICs of the Halogen Free products only. (Ricoh Halogen Free products are
also Antimony Free.)
Halogen Free
RICOH COMPANY, LTD.
Electronic Devices Company
http://www.ricoh.com/LSI/
RICOH COMPANY, LTD.
Electronic Devices Company
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