Rx5RW Series
Voltage Regulator
The Rx5RW Series are chip enable pin-equipped CMOS-based voltage regulators featuring 35mA to 80mA output.
The polarity of the CE pin can be selected.
FEATURES
•
Supply Current (I
SS
) ························Typ. 1.5μA (V
IN
=SET V
OUT
+2V)
•
Standby Current (I
standby
) ·················Typ. 0.1μA (in standby, except for C Version)
•
Dropout Voltage (V
DIF
) ····················Typ. 0.04V (I
OUT
=1mA, V
OUT
=2.8V)
•
Input Voltage Range (V
IN
) ···············Max. 8.0V
•
Output Voltage Range (V
OUT
)··········1.5V to 6.0V (internally fixed)
•
Output Voltage Accuracy ················± 2%
•
Temp. coeff. of Output Voltage ·······Typ.
±
100ppm/°C
•
Line Regulation·······························Typ. 0.05%/V
•
Fold-back Protection Circuit ···········Current Limit Typ. 40mA
•
Packages········································SON1612-6, SC-82AB
BLOCK DIAGRAMS
Rx5RWxxA
(
CE
pin "L" active)
V
DD
V
OUT
V
DD
Rx5RWxxB
(CE pin "H" active)
V
OUT
V
DD
Rx5RWxxC
(Without CE pin)
V
OUT
+
-
Vref
CE
Current Limit
GND
CE
Vref
+
-
Current Limit
GND
NC
Vref
+
-
Current Limit
GND
SELECTION GUIDES
Package
SON1612-6
SC-82AB
Quantity per Reel
Part No.
4,000 pcs
RD5RW
.xx∗
A-TR-F
3,000 pcs
RQ5RW
.xx∗
A-TR-F
.xx.
: Specify the output voltage within the range 1.5V (.15.) to 6.0V (.60.)
in 0.1V steps.
.∗
: Select the polarity of the CE pin from
(.A.) "L" active or (.B.) "H" active, (.C.) without chip enable.
PACKAGES (Top View)
SON1612-6
6
5
4
TYPICAL CHARACTERISTIC
SC-82AB
4
3
Rx5RW30B
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
Dropout Voltage V
DIF
(V)
Dropout Voltage vs. Output Current
85°C
25°C
-40°C
1
2
3
1
2
1
2
3
4
5
6
CE
or CE or NC
V
DD
V
OUT
NC
V
DD
GND
1
2
3
4
GND
V
DD
V
OUT
CE
or CE or NC
0
10
20
30
40
50
Output Current I
OUT
(mA)
APPLICATIONS
•
Power source for hand-held communication equipment, cameras, and VCRs
•
Very stable voltage reference
•
Power source for battery-powered equipment
No.EK-050-091101
CMOS Voltage 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.
2. The materials in this document may not be copied or otherwise reproduced in whole or in part
without prior written consent of Ricoh.
3. Please be sure to take any necessary formalities under relevant laws or regulations before
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.
RICOH COMPANY., LTD.
Electronic Devices Company
■Ricoh
presented with the Japan Management Quality Award for 1999.
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