R1154N118B-TR-FE [RICOH]
Fixed Positive Standard Regulator, 11.8VCMOS, PDSO5, HALOGEN FREE AND ROHS COMPLIANT, SOT-23, 5 PIN;
| 型号： | R1154N118B-TR-FE |
| 厂家： | 
RICOH ELECTRONICS DEVICES DIVISION |
| 描述： | Fixed Positive Standard Regulator, 11.8VCMOS, PDSO5, HALOGEN FREE AND ROHS COMPLIANT, SOT-23, 5 PIN 光电二极管 输出元件 调节器 |
| 文件： | 总19页 (文件大小：246K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
R1154x SERIES
150mA Voltage Regulator (Wide Input Voltage Range)
NO.EA-100-100531
OUTLINE
The R1154x series are CMOS-based voltage regulator (VR) ICs. The R1154x has features of high output
voltage accuracy and ultra-low supply current. A peak current limit circuit, a short current limit circuit, and a
thermal shutdown circuit are built in the R1154x series.
The regulator output voltage is fixed in the R1154xxxxB, while adjustable type is the R1154x001C.
Output voltage accuracy is ±2.0%.
Since the packages for these ICs are DFN1616-6, SOT-23-5, and SOT-89-5, high density mounting of the ICs
on boards is possible.
FEATURES
• Supply Current.................................................Typ. 5.0μA
• Standby Current...............................................Typ. 0.1μA
• Output Voltage Accuracy..................................±2.0%
• Wide Output Voltage Range ............................2.5V to 12.0V (0.1V steps) (xxxB)
adjustable in the range of 2.5V to VIN or 24.0V (001C)
(For other voltages, please refer to MARK INFORMATIONS.)
• Input Voltage ....................................................Max. 24.0V
• Output Current .................................................Min. 140mA (VIN=VOUT+2.0V, 2.5V Output type)
Min. 150mA (VIN=VOUT+2.0V, 3.0V Output type)
• Package ...........................................................DFN1616-6, SOT-23-5, SOT-89-5
• Built-in Peak Current Limit Circuit
• Built-in Short Current Limit Circuit
• Built-in Thermal Shutdown Circuit
APPLICATIONS
• Power source for home appliances such as refrigerators, rice cookers, Electronic water warmers, etc.
• Power source for car audio equipment, car navigation system, and ETC system.
• Power source for notebook PCs, digital TVs, cordless phones, and LAN system.
• Power source for copiers, printers, facsimiles, and scanners.
1
R1154x
BLOCK DIAGRAMS
R1154xxxxB
R1154x001C
Fixed Output Type
Adjustable Output Type
Thermal
Thermal
Protection
Protection
VIN
VOUT
VIN
VOUT
ADJ
-
-
+
+
Vref
Vref
Short
Peak Current
Short
Peak Current
Protection Protection
Protection Protection
GND
GND
CE
CE
SELECTION GUIDE
The output voltage can be selected at the user’s request.
Product Name
R1154Lxxx∗-TR
Package
DFN1616-6
SOT-23-5
SOT-89-5
Quantity per Reel
5,000 pcs
Pb Free
Yes
Halogen Free
Yes
Yes
Yes
3,000 pcs
Yes
R1154Nxxx∗-TR-FE
R1154Hxxx∗-T1-FE
1,000 pcs
Yes
xxx : The output voltage can be designated in the range from 2.5V(025) to 12.0V(120) in 0.1V steps.
(For other voltages, please refer to MARK INFORMATIONS.)
The output voltage adjustable type is fixed at 001 (Reference voltage=2.5V)
∗
: (B) Fixed Output Type
(C) Adjustable Output Type
2
R1154x
PIN CONFIGURATION
• DFN1616-6
• SOT-23-5
• SOT-89-5
Top View
Bottom View
5
4
5
4
6
5
4
4
5
6
∗
(mark side)
1
2
3
3
2
1
1
2
3
1
2
3
PIN DESCRIPTION
• DFN1616-6
Pin No
Symbol
VDD
Description
1
2
3
4
Input Pin
NC
No Connection
VOUT
CE
Voltage Regulator Output Pin
Chip Enable Pin
NC
R1154LxxxB (B version)
No Connection
5
ADJ
GND
R1154L001C (C version) Reference Voltage of Adjustable Output Pin
Ground Pin
6
∗) Tab is GND level. (They are connected to the reverse side of this IC.)
The tab is better to be connected to the GND, but leaving it open is also acceptable.
• SOT-23-5
Pin No
Symbol
VOUT
GND
VDD
Description
1
2
3
Voltage Regulator Output Pin
Ground Pin
Input Pin
NC
R1154NxxxB (B version) No Connection
R1154N001C (C version) Reference Voltage of Adjustable Output Pin
Chip Enable Pin
4
ADJ
CE
5
• SOT-89-5
Pin No
Symbol
VOUT
GND
CE
Description
1
2
3
Voltage Regulator Output Pin
Ground Pin
Chip Enable Pin
NC
R1154HxxxB (B version) No Connection
R1154H001C (C version) Reference Voltage of Adjustable Output Pin
Input Pin
4
5
ADJ
VDD
3
R1154x
ABSOLUTE MAXIMUM RATINGS
Symbol
Item
Rating
26.0
Unit
V
VIN
Input Voltage
VCE
Input Voltage (CE Input Pin)
Output Voltage
V
−0.3 to VIN+0.3
−0.3 to VIN+0.3
−0.3 to VIN+0.3
250
VOUT
VADJ
IOUT
V
Output Voltage (ADJ Pin)
Output Current
V
mA
Power Dissipation (DFN1616-6)∗
Power Dissipation (SOT-23-5)∗
640
PD
mV
420
Power Dissipation (SOT-89-5)∗
Operating Temperature
Storage Temperature
900
Topt
Tstg
−40 to +105
−55 to +125
°C
°C
∗) For Power Dissipation please refer to PACKAGE INFORMATION.
ABSOLUTE MAXIMUM RATINGS
Electronic and mechanical stress momentarily exceeded absolute maximum ratings may cause the
permanent damages and may degrade the life time and safety for both device and system using the device
in the field.
The functional operation at or over these absolute maximum ratings is not assured.
4
R1154x
ELECTRICAL CHARACTERISTICS
• R1154xxxxB
Topt=25°C
Symbol
Item
Conditions
Min.
Typ.
Max.
24
Unit
V
VIN
Input Voltage
VOUT
IOUT
Output Voltage
Output Current
Supply Current
Standby Current
V
VIN=VOUT+2.0V, IOUT=20mA
VIN−VOUT=2.0V
×0.98
×1.02
Refer to the following table
ISS
5
10
VIN=VCE, VIN−VOUT=2.0V
VIN=24V, VCE=0V
μA
μA
Istandby
0.1
1.0
ΔVOUT/
ΔIOUT
VIN−VOUT=2.0V,
1mA ≤ IOUT ≤ 40mA
Load regulation
Refer to the following table
0.05 0.20 %/V
Refer to the following table
ΔVOUT/
ΔVIN
IOUT=20mA
VOUT+1V ≤ VIN ≤ 24V
Line regulation
VDIF
Dropout Voltage
IOUT=20mA
ΔVOUT/
ΔTopt
Output Voltage
Temperature Coefficient
VIN−VOUT=2.0V, IOUT=20mA
−40°C ≤ Topt ≤ 105°C
±100
ppm/°C
ISC
Short Current Limit
CE “H” Input Voltage
CE “L” Input Voltage
45
mA
V
VOUT=0V
VCEH
VCEL
2.1
0
VIN
0.3
V
Thermal Shutdown
Temperature
TSD
TSR
Junction Temperature
Junction Temperature
150
125
°C
°C
Thermal Shutdown
Released Temperature
• Output Current (Topt=25°C)
Output Voltage
Output Current (mA)
VOUT (V)
Min.
140
150
2.5 ≤ VOUT ≤ 2.9
3.0 ≤ VOUT ≤ 12.0
• Load Regulation (Topt=25°C)
Output Voltage
Load Regulation (mV)
VOUT (V)
Typ.
Max.
50
20
30
40
2.5 ≤ VOUT ≤ 3.0
3.1 ≤ VOUT ≤ 5.0
5.1 ≤ VOUT ≤ 12.0
75
115
• Dropout Voltage (Topt=25°C)
Dropout Voltage (V)
Output Voltage
VOUT (V)
Typ.
0.20
0.25
0.30
Max.
0.40
0.50
0.55
2.5 ≤ VOUT ≤ 7.0
7.1 ≤ VOUT ≤ 10.0
10.1 ≤ VOUT ≤ 12.0
5
R1154x
• R1154x001C
Topt=25°C
Symbol
Item
Conditions
Min.
Typ.
Max.
24
Unit
V
VIN
Input Voltage
VOUT
IOUT
Output Voltage
Output Current
Supply Current
Standby Current
2.45
140
2.50
2.55
V
VIN=VOUT+2.0V, IOUT=20mA
VIN=VOUT+2.0V
mA
ISS
5
10
VIN=VOUT+2.0V, VCE=VIN
VIN=24V, VCE=0V
μA
μA
Istandby
0.1
1.0
VIN=VOUT+2.0V,
1mA ≤ IOUT ≤ 40mA
Load regulation
20
50
mV
ΔVOUT/ΔIOUT
VOUT+1V ≤ VIN ≤ 24V,
IOUT=20mA
Line regulation
0.05
0.20
±100
45
0.20
0.40
%/V
V
ΔVOUT/ΔVIN
VDIF
Dropout Voltage
IOUT=20mA
ΔVOUT/
ΔTopt
Output Voltage
Temperature Coefficient
VIN=VOUT+2.0V, IOUT=20mA,
−40°C ≤ Topt ≤ 105°C
ppm/°C
ISC
Short Current Limit
CE “H” Input Voltage
CE “L” Input Voltage
mA
V
VOUT=0V
VCEH
VCEL
2.1
0
VIN
0.3
V
Thermal Shutdown
Temperature
TSD
TSR
Junction Temperature
Junction Temperature
150
125
°C
°C
Thermal Shutdown
Released Temperature
The above specifications measured at the condition of VOUT=VADJ.
RECOMMENDED OPERATING CONDITIONS (ELECTRICAL CHARACTERISTICS)
All of electronic equipment should be designed that the mounted semiconductor devices operate within the
recommended operating conditions. The semiconductor devices cannot operate normally over the
recommended operating conditions, even if when they are used over such conditions by momentary
electronic noise or surge. And the semiconductor devices may receive serious damage when they continue
to operate over the recommended operating conditions.
6
R1154x
TYPICAL APPLICATIONS
IN
IN
OUT
VIN
V
IN
VOUT
OUT
CE
VOUT
CE
CIN
CIN
COUT
ADJ
GND
GND
COUT
Fixed Output Voltage Type
Adjustable Type
TEST CIRCUITS
I
SS
IN
IN
VDD
VDD
I
OUT
R1154xxxxB
SERIES
OUT
OUT
C
IN
CIN
CE
V
OUT
COUT
COUT
GND
GND
R1154xxxxB Standard Test Circuit
R1154xxxxB Supply Current Test Circuit
IN
IN
V
DD
VDD
I
OUT
R1154xxxxB
SERIES
OUT
OUT
P.G.
C
IN
CE
V
OUT
C
OUT
COUT
GND
GND
I1
I2
R1154xxxxB Input Transient Response Test Circuit
R1154xxxxB Load Regulation Test Circuit
7
R1154x
I
SS
IN
IN
V
DD
VDD
I
OUT
OUT
OUT
V
OUT
VOUT
R1154x001C
SERIES
R1154x001C
SERIES
CIN
CIN
R1
R2
R1
R2
CE
CE
COUT
ADJ
GND
COUT
ADJ
GND
R1154x001C Standard Test Circuit
R1154x001C Supply Current Test Circuit
IN
IN
V
DD
VDD
IOUT
OUT
OUT
I2
V
OUT
VOUT
R1154x001C
SERIES
R1154x001C
SERIES
P.G.
C
IN
R1
R2
R1
R2
CE
CE
ADJ
GND
COUT
ADJ
GND
C
OUT
I1
R1154x001C Input Transient Response Test Circuit R1154x001C Load Transient Response Test Circuit
8
R1154x
TYPICAL CHARACTERISTICS
1) Output Voltage vs. Output Current
R1154x025B
R1154x025B
Topt=25˚C
VIN=4.5V
3
3
2.5
2
2.5
-40˚C
25˚C
5.5V
4.5V
4.0V
2
1.5
1
V
IN=3.5V
1.5
1
105˚C
0.5
0
0.5
0
0
0
0
100
200
300
0
0
0
100
200
300
Output Current IOUT(mA)
Output Current IOUT(mA)
R1154x030B
R1154x030B
Topt=25˚C
6.0V
V
IN=5.0V
3.5
3
3.5
3
-40˚C
5.0V
4.5V
V
IN=4.0V
25˚C
2.5
2
2.5
2
105˚C
1.5
1
1.5
1
0.5
0
0.5
0
100
200
300
100
200
300
Output Current IOUT(mA)
Output Current IOUT(mA)
R1154x050B
R1154x050B
Topt=25˚C
6.5V
7.0V
V
IN=7.0V
6
5
4
3
2
1
0
6
5
4
3
2
1
0
V
IN=6.0V
25˚C
8.0V
-40˚C
105˚C
100
200
300
100
200
300
Output Current IOUT(mA)
Output Current IOUT(mA)
9
R1154x
R1154x090B
R1154x090B
Topt=25˚C
V
IN=11.0V
10
9
8
7
6
5
4
3
2
1
0
10
9
8
7
6
5
4
3
2
1
0
12V
11V
25˚C
10.5V
V
IN=10.0V
105˚C
-40˚C
0
100
200
300
0
50
100 150 200 250 300
Output Current IOUT(mA)
Output Current IOUT(mA)
2) Input Voltage vs. Output Voltage (Topt=25°C)
R1154x025B
R1154x030B
3.5
4
3.5
3
3
I
OUT=1mA
I
OUT=1mA
2.5
2
I
OUT=20mA
2.5
2
I
OUT=20mA
OUT=40mA
I
OUT=40mA
I
1.5
0
5
10
15
20
25
0
5
10
15
20
25
Input Voltage VIN(V)
Input Voltage VIN(V)
R1154x050B
R1154x090B
6
5.5
5
10
9.5
9
I
OUT=20mA
I
OUT=20mA
I
OUT=1mA
I
OUT=1mA
4.5
4
8.5
8
I
OUT=40mA
I
OUT=40mA
0
5
10
15
20
25
0
5
10
15
20
25
Input Voltage VIN(V)
Input Voltage VIN(V)
10
R1154x
3) Dropout Voltage vs. Output Current
R1154x025B
R1154x030B
2.5
2.5
2
2
Topt=105˚C
Topt=105˚C
1.5
1.5
1
25˚C
25˚C
1
-40˚C
-40˚C
0.5
0.5
0
0
0
20 40 60 80 100 120 140 160
Output Current IOUT(mA)
0
20 40 60 80 100 120 140 160
Output Current IOUT(mA)
R1154x050B
R1154x090B
2.5
2
2.5
2
1.5
1
1.5
1
Topt=105˚C
25˚C
Topt=105˚C
25˚C
-40˚C
0.5
0
0.5
0
-40˚C
0
20 40 60 80 100 120 140 160
Output Current IOUT(mA)
0
20 40 60 80 100 120 140 160
Output Current IOUT(mA)
4) Output Voltage vs. Temperature
R1154x025B
R1154x030B
V
IN=4.5V, IOUT=20mA
VIN=5.0V, IOUT=20mA
2.60
2.55
2.50
2.45
2.40
3.10
3.05
3.00
2.95
2.90
-50
0
50
100
-50
0
50
100
Temperature Topt(˚C)
Temperature Topt(˚C)
11
R1154x
R1154x050B
R1154x090B
V
IN=7.0V, IOUT=20mA
VIN=11.0V, IOUT=20mA
5.2
5.1
5.0
4.9
4.8
9.4
9.2
9.0
8.8
8.6
-50
0
50
100
-50
0
50
100
Temperature Topt(˚C)
Temperature Topt(˚C)
5) Supply Current vs. Input Voltage (Topt=25°C)
R1154x025B
R1154x030B
12
12
10
8
10
8
6
6
4
4
2
2
0
0
0
5
10
15
20
25
0
5
10
15
20
25
Input Voltage VIN(V)
Input Voltage VIN(V)
R1154x050B
R1154x090B
12
10
8
12
10
8
6
6
4
4
2
2
0
0
0
5
10
15
20
25
0
5
10
15
20
25
Input Voltage VIN(V)
Input Voltage VIN(V)
12
R1154x
6) Supply Current vs. Temperature
R1154x025B
R1154x030B
V
IN=4.5V
VIN=5.0V
12
10
8
12
10
8
6
6
4
4
2
2
0
-50
0
-50
0
50
100
0
50
100
Temperature Topt(˚C)
Temperature Topt(˚C)
R1154x050B
R1154x090B
V
IN=7.0V
V
IN=11.0V
12
12
10
8
10
8
6
6
4
4
2
2
0
-50
0
-50
0
50
100
0
50
100
Temperature Topt(˚C)
Temperature Topt(˚C)
7) Input Transient Response (IOUT=20mA, COUT=0.1µF, Topt=25°C)
R1154x025B
10
15
10
5
8
Input Voltage
6
4
0
Output Voltage
2
0
-5
-10
-2
0
2
4
6
8
10
12
14
Time T(ms)
13
R1154x
R1154x030B
10
8
15
10
5
Input Voltage
6
4
0
Output Voltage
2
-5
-10
0
-2
-2
-2
0
2
4
6
8
10
12
14
Time T(ms)
R1154x050B
20
18
16
14
12
10
8
15
10
5
Input Voltage
0
Output Voltage
6
4
-5
-10
2
0
-1
0
1
2
3
4
5
6
Time T(ms)
R1154x090B
24
22
20
18
16
14
12
10
8
20
15
10
5
Input Voltage
Output Voltage
0
6
4
-5
-1
0
1
2
3
4
5
6
Time T(ms)
14
R1154x
8) Load Transient Response (COUT=0.1μF, Topt=25°C)
R1154x025B
V
V
V
IN=4.5V
7
30
20
10
0
20mA
6
5
Output Current
1mA
4
Output Voltage
3
2
1
-10
-20
-30
-0.5
0
0
0
0.5
1
1.5
2
2
2
2.5
2.5
2.5
3
Time T(ms)
R1154x030B
IN=5.0V
8
7
6
5
4
3
2
30
20
10
0
20mA
Output Current
1mA
-10
-20
-30
Output Voltage
-0.5
0.5
1
1.5
3
Time T(ms)
R1154x050B
IN=7.0V
9
8
7
6
5
4
3
30
20
10
0
20mA
Output Current
1mA
-10
-20
-30
Output Voltage
-0.5
0.5
1
1.5
3
Time T(ms)
15
R1154x
R1154x090B
VIN=11.0V
13
12
11
10
9
30
20
10
0
20mA
Output Current
1mA
-10
-20
-30
Output Voltage
8
7
-0.5
0
0.5
1
1.5
2
2.5
3
Time T(ms)
9) Thermal Shutdown Characteristics
R1154x050B
VIN=10V, IOUT=1mA
8
7
6
5
4
3
2
1
0
0
20
40
60
80 100 120 140 160 180
Junction Temperature Tjct(°C)
16
R1154x
TECHNICAL NOTES
Phase Compensation
Phase Compensation of the R1154x Series has been made internally for stable operation even though the
load current would vary. Therefore, without the capacitors, CIN and COUT, the output voltage is regulated, however,
for more stable operation, use capacitors as CIN and COUT. Especially, if the input line is long and impedance is
high, CIN is necessary, moreover, if you use COUT, transient response will be improved. Recommended value is in
the range from 0.1μF to 2.2μF. Wiring should be made as short as possible.
Connect the capacitor, CIN between VDD pin and GND pin and COUT between VOUT and GND as close as
possible.
VDD
VDD
I
OUT
V
OUT
R1154xxxxB
SERIES
R1154x001C
SERIES
I
OUT
R1
R2
V
IN
C
IN
V
IN
CIN
CE
V
OUT
CE
ADJ
GND
C
OUT
C
OUT
GND
R1154xxxxB Typical Application
Thermal Shutdown
R1154xxxxC Typical Application
Thermal shutdown function is included in the R1154x Series, if the junction temperature is equal or more than
+150°C(Typ.), the operation of regulator would stop. After that, when the junction temperature is equal or less
than +125°C(Typ.), the operation of regulator would restart. Unless the cause of rising temperature would
remove, the regulator repeats on and off, and output waveform would be like consecutive pulses.
Chip Enable Circuit
Do not make voltage level of chip enable pin keep floating level, or in between VIH and VIL. Unless otherwise,
Output voltage would be unstable or indefinite, or unexpected current would flow internally.
* Technical Notes on Output Voltage Setting of C type
Figure 1. Adjustable Regulator (C type)
VOUT
R1
R2
I1
I2
ADJ
IIC
VOUT
RIC
2.5V
GND
17
R1154x
The Output Voltage of Regulator in R1154xxxxC may be adjustable for any output voltage between its
2.5V reference and its VDD setting level. An external pair of resistors is required, as shown in Figure 1.
The complete equation for the output voltage is described step by step as follows;
I1=IIC+I2 .....................................................................................................................................(1)
I2=2.5/R2...................................................................................................................................(2)
Thus,
I1=IIC+2.5/R2..............................................................................................................................(3)
Therefore,
VOUT=2.5+R1×I1.........................................................................................................................(4)
Put Equation (3) into Equation (4),then
VOUT=2.5+R1(IIC+2.5/R2)
=2.5(1+R1/R2)+R1×IIC ........................................................................................................(5)
In 2nd term, or R1×IIC will produce an error in VOUT.
In Equation (5),
IIC=2.5/RIC ..................................................................................................................................(6)
R1×IIC=R1×2.5/RIC
=2.5×R1/RIC ....................................................................................................................(7)
For better accuracy, choosing R1 (<<RIC) reduces this error.
Adjustable Resister Dependence of Output Voltage (Topt=25°C)
R2=10kΩ
R2=100kΩ
24.0
22.0
20.0
18.0
16.0
14.0
12.0
10.0
8.0
24.0
22.0
20.0
18.0
16.0
14.0
12.0
10.0
8.0
6.0
6.0
4.0
4.0
2.0
2.0
0.0
0.0
0
20
40
60
80
100
0
200
400
600
800
1000
R1Resistance (kΩ)
R1 Resistance (kΩ)
18
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 awarded ISO 14001 certification.
■
Ricoh presented with the Japan Management Quality Award for 1999.
The Ricoh Group was awarded ISO 14001 certification, which is an international standard for
environmental management systems, at both its domestic and overseas production facilities.
Our current aim is to obtain ISO 14001 certification for all of our business offices.
Ricoh continually strives to promote customer satisfaction, and shares the achievements
of its management quality improvement program with people and society.
Ricoh completed the organization of the Lead-free production for all of our products.
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.
http://www.ricoh.com/LSI/
RICOH COMPANY, LTD.
Electronic Devices Company
● Shin-Yokohama office (International Sales)
3-2-3, Shin-Yokohama, Kohoku-ku, Yokohama City, Kanagawa 222-8530, Japan
Phone: +81-45-477-1697 Fax: +81-45-477-1698
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RICOH COMPANY, LTD.
Electronic Devices Company
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Room109, 10F-1, No.51, Hengyang Rd., Taipei City, Taiwan (R.O.C.)
Phone: +886-2-2313-1621/1622 Fax: +886-2-2313-1623
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