Rx5RZ SERIES
LOW DROPOUT AND LOW NOISE VOLTAGE REGULATOR
NO. EA-039-111020
1
OUTLINE
The Rx5RZ Series are CMOS-based voltage regulator ICs with high output voltage accuracy, low supply
current, low dropout voltage and high ripple rejection. Each of these voltage regulator ICs consists of a voltage
reference unit, an error amplifier, output voltage setting resistors, a current limit circuit and a chip enable circuit.
(Provided two types of chip enable circuit ; “H” active and “L” active, that can be selected when order.) for A/B
version. The output voltage of these ICs is fixed with high accuracy.
In addition to low supply current from CMOS process, the Rx5RZ Serie s may lengthen battery life through low
dropout volta ge and chip enable function thanks to the built-in low ON re sistan ce transistor. Also when com pared
with conventional regulators that employ CMOS process, these ICs have superio r ripple rejecti on, input transient
response characteristic and load transient response characteristic thus making these product suitable for power
supply for hand-held communication e quipment.
Since the package for these ICs are the SOT-23-5 package and SOT-89, high density mounting of the ICs on
boards is possible.
FEATURES
• Supply Current.............................................................Typ. 20μA
• Supply Current (Standby) ...........................................Typ. 0.1μA
• Output Voltage Accuracy..............................................±2%
• Ripple Rejection...........................................................Typ. 55dB (f=1kHz)
• Dropout Voltage ...........................................................Typ. 0.2V (IOUT=60mA)
• Temperature-Drift Coefficient of Output Voltage..........Typ. ± 100ppm/°C
• Line Regulation............................................................Typ. 0.05%/V
• Output Voltage Range..................................................2.0V to 6.0V (0.1V steps)
(For other voltages, please refer to MARK INFORMATIONS.)
• Packages .....................................................................SOT-23-5 (Mini-mold), SOT-89 (Mini-power Mold)
• Built-in Fold-Back Protection Circuit ............................Current limit Typ. 50mA
APPLICATIONS
• Power source for battery-powered equipment
• Power source for hand-held communication equipment, cameras, and VCRs
• Power source for home appliances
Rx5RZ
2
BLOCK DIAGRAMS
RN5RZxxAA RN5RZxxBA
2
51
V
OUT
GND
V
DD
CE
Vref
3
Current Limit
+
–
2
51
V
OUT
GND
V
DD
CE
+
–
Vref
3
Current Limit
RH5RZxxCA
2
1
V
OUT
GND
V
DD
Vref
3
Current Limit
+
–
SELECTION GUIDE
The output voltage an d package for the ICs can be selected at the user’s request.
Product Name Package Quantity per Reel Pb Free Halogen Free
RN5RZxx∗A-TR-FE SOT-23-5 3,000 pcs Yes Yes
RH5RZxxCA-T1-FE SOT-89 1,000 pcs Yes Yes
xx : The output voltage can be designated in the range from 2.0V (20) to 6.0V (60) in 0.1V steps.
(For other voltages, please refer to MARK INFORMA TIONS.)
∗ : CE pin polarity are options as follows
(A) "L" active
(B) "H" active
(C) without chip enable
Rx5RZ
3
PIN CONFIGURATION
z SOT-23-5 z SOT-89
1
4
5
2 3
(mark side)
3
12
(mark side)
PIN DESCRIPTION
• SOT-23-5
Pin No Symbol Pin Description
1 GND Ground Pin
2 VDD Input Pin
3 VOUT Output Pin
4 NC No Connection (Only RN5RZxxA/B)
5
CE
or CE Chip Enable Pin (Only RN5RZxxA/B)
• SOT-89
Pin No Symbol Pin Description
1 GND Ground Pin
2 VIN Input Pin
3 VOUT Output Pin
Rx5RZ
4
ABSOLUTE MAXIMUM RATINGS
Symbol Item Rating Unit
VIN Input Voltage 9.0 V
VCE Input Voltage (
CE
or CE) −0.3 to VIN+0.3 V
VOUT Output Voltage −0.3 to VIN+0.3 V
IOUT Output Current 150 mA
Power Dissipation∗ (SOT-23-5) 420
PD Power Dissi pation∗ (SOT-89) 900 mW
Topt Operating Temperature Range −40 to 85 °C
Tstg Storage Temperature Range −55 to 125 °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 u sing the device
in the field.
The functional operation at or over these absolute maximum ratings is not assured.
RECOMMENDED OPERATING CONDITIONS (ELECTRICAL CHARACTERISTICS)
All of electronic equipment sho uld b e 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 su rge. And the semicondu ctor devices may receive seriou s damage when they continu e
to operate over the recommended operating conditions.
4
Rx5RZ
ELECTRICAL CHARACTERISTICS
• RN5RZxxA Series
Symbol Item Conditions Min. Typ. Max. Unit
VOUT Output Voltage VIN=VOUT+1V, IOUT=30mA ×0.98 ×1.02 V
IOUT Output Current VIN=VOUT+1V 100 mA
When VOUT=VOUT–0.1V
∆VOUT Load Regulation VIN=VOUT+1V 20 40 mV
∆IOUT 1mA≤IOUT≤80mA
VDIF Dropout Voltage IOUT=60mA 0.2 0.3 V
ISS Supply Current VIN=VOUT+1V 20 40 µA
Istandby Supply Current (Standby) VIN=VCE=VOUT+1V 0.1 1.0 µA
∆VOUT Line Regulation IOUT=30mA 0.05 0.20 %/V
∆VIN VOUT+0.5V≤VIN≤8.0V
RR Ripple Rejection f=1kHz, Ripple 0.5Vrms 55 dB
VIN=VOUT+1V
VIN Input Voltage 8V
∆VOUT Output Voltage IOUT=30mA ±100
ppm/˚C
∆Topt Temperature Coefficient –40˚C≤Topt≤85˚C
Ilim Short Current Limit VOUT=0V 50 mA
RPU CE Pull-up Resistance 2.5 5.0 10.0 MΩ
VCEH CE Input Voltage “H”1.5 V
VCEL CE Input Voltage “L”0.00 0.25 V
Topt=25˚C
5
Rx5RZ
• RN5RZxxB Series
Symbol Item Conditions Min. Typ. Max. Unit
V
OUT
Output Voltage V
IN
=V
OUT
+1V, I
OUT
=30mA ×0.98 ×1.02 V
IOUT Output Current VIN=VOUT+1V 100 mA
When VOUT=VOUT–0.1V
∆VOUT Load Regulation VIN=VOUT+1V 20 40 mV
∆IOUT 1mA≤IOUT≤80mA
VDIF Dropout Voltage IOUT=60mA 0.2 0.3 V
ISS Supply Current VIN=VOUT+1V 20 40 µA
Istandby Supply Current (Standby) VIN=VOUT+1V, VCE=GND 0.1 1.0 µA
∆VOUT Line Regulation IOUT=30mA 0.05 0.20 %/V
∆VIN VOUT+0.5V≤VIN≤8.0V
RR Ripple Rejection f=1kHz, Ripple 0.5Vrms 55 dB
VIN=VOUT+1V
VIN Input Voltage 8V
∆VOUT Output Voltage IOUT=30mA ±100
ppm/˚C
∆Topt Temperature Coefficient –40˚C≤Topt≤85˚C
Ilim Short Current Limit VOUT=0V 50 mA
RPU CE Pull-down Resistance 2.5 5.0 10.0 MΩ
VCEH CE Input Voltage “H”1.5 V
VCEL CE Input Voltage “L”0.00 0.25 V
Topt=25˚C
• RH5RZxxC Series
Symbol Item Conditions Min. Typ. Max. Unit
VOUT Output Voltage VIN=VOUT+1V, IOUT=30mA ×0.98 ×1.02 V
IOUT Output Current VIN=VOUT+1V 100 mA
∆VOUT Load Regulation VIN=VOUT+1V 20 40 mV
∆IOUT 1mA≤IOUT≤80mA
VDIF Dropout Voltage IOUT=60mA 0.2 0.3 V
ISS Supply Current VIN=VOUT+1V 20 40 µA
∆VOUT Line Regulation IOUT=30mA 0.05 0.20 %/V
∆VIN VOUT+0.5V≤VIN≤8.0V
RR Ripple Rejection f=1kHz, Ripple 0.5Vrms 55 dB
VIN=VOUT+1V
VIN Input Voltage 8V
∆VOUT Output Voltage IOUT=30mA ±100
ppm/˚C
∆Topt Temperature Coefficient –40˚C≤Topt≤85˚C
Ilim Short Current Limit VOUT=0V 50 mA
Topt=25˚C
6
Rx5RZ
OPERATION
TEST CIRCUITS
2
51
VOUT
GND
VDD
CE
Vref
3
Current Limit
R1
R2
2
51
VOUT
GND
VDD
CE
+
–
Vref
3
Current Limit
R1
R2
Error Amp. Error Amp.
+
–
RN5RZxxA RN5RZxxB
2
1
VOUT
GND
VDD
Vref
3
Current Limit
R1
R2
+
–
RH5RZxxC
In these ICs, the output voltage VOUT is detected by feed-back registers R1, R2, and the detected output voltage
is compared with a reference voltage by an error amplifier, so that a constant voltage is output.
A current limit circuit working for short protection and a chip enable circuit for standby function are included.
23
1
5
VDD VOUT
GND
RN5RZxxB
SERIES
C1 : 1µF
C2 : 10µF
C1VIN C2
IOUT
CE
23
1
5
VDD VOUT
RN5RZxxB
SERIES
C1 : 1µF
C2 : 10µF
C1
VIN C2
A
GND
CE
Fig.1 Standard Test Circuit Fig.2 Supply Current Test Circuit
7
Rx5RZ
23
1
5
VDD VOUT
RN5RZxxB
SERIES
C1 : 10µF
VIN
C1
IOUT
P.G.
GND
CE
Fig.3 Line Transient Response Test Circuit
23
1
5
VDD VOUT
RN5RZxxB
SERIES
C1 : 1µF
C2 : 10µF
C1VIN C2
l1 l2
GND
CE
Fig.4 Load Transient Response Test Circuit
23
1
5
VDD VOUT
RN5RZxxB
SERIES
C1 : 1µF
C2 : 10µF
C1
VIN C2
IOUT
GND
CE
Fig.5 Ripple Rejection Test Circuit
8
Rx5RZ
TYPICAL CHARACTERISTICS
1) Output Voltage vs. Output Current
Rx5RZ30x
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
Output Current IOUT(mA)
Output Voltage VOUT(V)
0 100 200 300 400 500
3.5V 4.0V
5.0V
VIN=3.3V
Rx5RZ40x
5.0
4.5
4.0
3.5
3.0
2.5
1.5
1.0
2.0
0.5
0.0
Output Current IOUT(mA)
Output Voltage VOUT(V)
0 100 200 300 400 500
4.5V 5.0V 6.0V
VIN=4.3V
Rx5RZ50x
6.0
5.0
4.0
3.0
2.0
1.0
0.0
Output Current IOUT(mA)
Output Voltage VOUT(V)
0 100 200 300 400 500
6.0V
5.5V
7.0V
VIN=5.3V
Rx5RZ30x
Input Voltage VIN(V)
Output Voltage VOUT(V)
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0.0 2.0 4.0 8.06.0
IOUT=0mA
IOUT=30mA
IOUT=50mA
Rx5RZ40x
Input Voltage VIN(V)
Output Voltage VOUT(V)
5.0
4.0
3.0
2.0
1.0
0.0
0.0 2.0 4.0 8.06.0
IOUT=0mA
IOUT=30mA
IOUT=50mA
2) Output Voltage vs. Input Voltage
9
Rx5RZ
3) Dropout Voltage vs. Output Current
Rx5RZ50x
Input Voltage VIN(V)
Output Voltage VOUT(V)
6.0
5.0
4.0
3.0
2.0
1.0
0.0
0.0 2.0 4.0 6.0 8.0
IOUT=0mA
IOUT=30mA
IOUT=50mA
Rx5RZ30x
0.30
0.25
0.20
0.15
0.10
0.05
0.00
Output Current IOUT(mA)
Dropout Voltage VDIF(V)
0 20406080100
Topt=–40˚C
Topt=25˚C
Topt=85˚C
Rx5RZ40x
0.30
0.25
0.20
0.15
0.10
0.05
0.00
Output Current IOUT(mA)
Dropout Voltage VDIF(V)
0 20406080100
Topt=–40˚C
Topt=25˚C
Topt=85˚C
Rx5RZ50x
0.30
0.25
0.20
0.15
0.10
0.05
0.00
Output Current IOUT(mA)
Dropout Voltage VDIF(V)
0 20406080100
Topt=–40˚C
Topt=25˚C
Topt=85˚C
0.35
10
Rx5RZ
4) Output Voltage vs. Temperature
5) Supply Current vs. Input Voltage
Rx5RZ30x
3.10
3.05
3.00
2.95
2.90
Temperature Topt(˚C)
Output Voltage VOUT(V)
–50 0 50 100
Rx5RZ40x
4.10
4.05
4.00
3.95
3.90
Temperature Topt(˚C)
Output Voltage VOUT(V)
–50 0 50 100
Rx5RZ50x
5.10
5.05
5.00
4.95
4.90
Temperature Topt(˚C)
Output Voltage VOUT(V)
–50 0 50 100
Rx5RZ30x
30
25
20
15
10
5
0
Input Voltage VIN(V)
Supply Current ISS(µA)
0.0 2.0 4.0 8.06.0
Rx5RZ40x
30
25
20
15
10
5
0
Input Voltage VIN(V)
Supply Current ISS(µA)
0.0 2.0 4.0 8.06.0
11
Rx5RZ
6) Supply Current vs. Temperature
Rx5RZ50x
30
25
20
15
10
5
0
Input Voltage VIN(V)
Supply Current ISS(µA)
0.0 2.0 4.0 8.06.0
Rx5RZ30x
30
25
20
15
10
5
0
Temperature Topt(˚C)
Supply Current ISS(µA)
–50 0 50 100
Rx5RZ40x
30
25
20
15
10
5
0
Temperature Topt(˚C)
Supply Current ISS(µA)
–50 0 50 100
Rx5RZ50x
30
25
20
15
10
5
0
Temperature Topt(˚C)
Supply Current ISS(µA)
–50 0 50 100
12
Rx5RZ
8) Ripple Rejection vs. Frequency
Rx5RZ30x
80
70
60
50
40
30
20
0
10
Frequency f(kHZ)
Ripple Rejection RR(dB)
0.1 1 10 100
COUT=tantal 2.2µF
IOUT=1mA
IOUT=30mA
IOUT=50mA
7) Dropout Voltage vs. Set Output Voltage
Rx5RZxxx
0.35
0.30
0.25
0.20
0.15
0.10
0.00
0.05
Set Output Voltage Vreg(V)
Dropout Voltage VDIF(V)
234 65
Topt=25˚C
IOUT=10mA
IOUT=30mA
IOUT=50mA
IOUT=100mA
Rx5RZ30x
80
70
60
50
40
30
20
0
10
Frequency f(kHZ)
Ripple Rejection RR(dB)
0.1 1 10 100
COUT=tantal 4.7µF
IOUT=1mA
IOUT=30mA
IOUT=50mA
Rx5RZ30x
80
70
60
50
40
30
20
0
10
Frequency f(kHZ)
Ripple Rejection RR(dB)
0.1 1 10 100
COUT=tantal 10µF
IOUT=1mA
IOUT=30mA
IOUT=50mA
Rx5RZ40x
80
70
60
50
40
30
20
0
10
Frequency f(kHZ)
Ripple Rejection RR(dB)
0.1 1 10 100
COUT=tantal 2.2µF
IOUT=1mA
IOUT=30mA
IOUT=50mA
13
Rx5RZ
Rx5RZ40x
80
70
60
50
40
30
20
0
10
Frequency f(kHZ)
Ripple Rejection RR(dB)
0.1 1 10 100
COUT=tantal 4.7µF
IOUT=1mA
IOUT=30mA
IOUT=50mA
Rx5RZ40x
80
70
60
50
40
30
20
0
10
Frequency f(kHZ)
Ripple Rejection RR(dB)
0.1 1 10 100
COUT=tantal 10µF
IOUT=1mA
IOUT=30mA
IOUT=50mA
Rx5RZ50x
80
70
60
50
40
30
20
0
10
Frequency f(kHZ)
Ripple Rejection RR(dB)
0.1 1 10 100
COUT=tantal 2.2µF
IOUT=1mA
IOUT=30mA
IOUT=50mA
Rx5RZ50x
80
70
60
50
40
30
20
0
10
Frequency f(kHZ)
Ripple Rejection RR(dB)
0.1 1 10 100
COUT=tantal 4.7µF
IOUT=1mA
IOUT=30mA
IOUT=50mA
Rx5RZ50x
80
70
60
50
40
30
20
0
10
Frequency f(kHZ)
Ripple Rejection RR(dB)
0.1 1 10 100
COUT=tantal 10µF
IOUT=1mA
IOUT=30mA
IOUT=50mA
14
Rx5RZ
10) Line Transient Response
9) Ripple Rejection vs. Input Voltage (DC bias)
Rx5RZ30x
70
60
50
40
30
20
0
10
Input Voltage VIN(V)
Ripple Rejection RR(dB)
3.1 3.2 3.3 3.53.4
IOUT =1mA
COUT=tantal 10µF
f=400Hz
f=1kHz
f=10kHz
Rx5RZ30x
70
60
50
40
30
20
0
10
Input Voltage VIN(V)
Ripple Rejection RR(dB)
3.1 3.2 3.3 3.53.4
f=400Hz
f=1kHz
f=10kHz
IOUT =10mA
COUT=tantal 10µF
Rx5RZ30x
70
60
50
40
30
20
0
10
Input Voltage VIN(V)
Ripple Rejection RR(dB)
3.1 3.2 3.3 3.53.4
IOUT =50mA
COUT=tantal 10µF
f=400Hz
f=1kHz
f=10kHz
15
Rx5RZ
11) Load Transient Response
3.4
3.3
3.2
3.1
3.0
2.9
2.8
6
5
4
3
2
1
0
Time t(µS)
Output Voltage VOUT(V)
Input Voltage VIN(V)
100 20 40506070809010030
tr=tf=5µS
COUT=Tantal 3.3µF
Input Voltage
Output Voltage
3.4
3.3
3.2
3.1
3.0
2.9
2.8
6
5
4
3
2
1
0
Time t(µS)
Output Voltage VOUT(V)
Input Voltage VIN(V)
100 20 40506070809010030
tr=tf=5µS
COUT=Tantal 10µF
Input Voltage
Output Voltage
3.4
3.3
3.2
3.1
3.0
2.9
2.8
150
100
50
0
–50
–100
–150
Time t(µS)
Output Voltage VOUT(V)
Output Current IOUT(mA)
100 20 40506070809010030
COUT=Ceramic 2.2µF+1Ω
Output Current
Output Voltage
16
Rx5RZ
3.4
3.3
3.2
3.1
3.0
2.9
2.8
150
100
50
0
–50
–100
–150
Time t(µS)
Output Voltage VOUT(V)
Output Current IOUT(mA)
100 20 40506070809010030
COUT=Tantal 2.2µF
Output Current
Output Voltage
3.4
3.3
3.2
3.1
3.0
2.9
2.8
150
100
50
0
–50
–100
–150
Time t(µS)
Output Voltage VOUT(V)
Output Current IOUT(mA)
100 20 40506070809010030
COUT=Tantal 3.3µF
Output Current
Output Voltage
3.4
3.3
3.2
3.1
3.0
2.9
2.8
150
100
50
0
–50
–100
–150
Time t(µS)
Output Voltage VOUT(V)
Output Current IOUT(mA)
100 20 40506070809010030
COUT=Tantal 10µF
Output Current
Output Voltage
17
Rx5RZ
• Countermeasure for Noise
FOR STABLE OPERATION
23
1
5
VIN
Ceramic
Capacitor
Spectrum
Analyzer
VOUT
IOUT
RN5RZxxB
SERIES
ESR
VIN S.A.
Ceramic capacitor
0.01µF
GND
CE
The relationship between output current (IOUT) and Equivalent Series Resistance (ESR) in the output capacitor is
described in the graphs below. The conditions when the noise level is under 40µV (Avg.) are indicated by the
hatched area in the graph.
[Measuring conditions]
Frequency band : 0Hz to 1MHz
Temperature : 25˚C
Measuring circuit for white noise ; RN5RZ30B
Ceramic Capacitor 1µF
100.0
10.0
1.0
0.1
0.0
Output Current IOUT(mA)
ESR(W)
0.0 20.0 40.0 60.0 80.0 100.0
: Noise level is under 40µV
Ceramic Capacitor 2.2µF
100.0
10.0
1.0
0.1
0.0
Output Current IOUT(mA)
ESR(W)
0.0 20.0 40.0 60.0 80.0 100.0
: Noise level is under 40µV
18
Rx5RZ
Ceramic Capacitor 4.7µF
100.0
10.0
1.0
0.1
0.0
Output Current IOUT(mA)
ESR(W)
0.0 20.0 40.0 60.0 80.0 100.0
: Noise level is under 40µV
Ceramic Capacitor 10µF
100.0
10.0
1.0
0.1
0.0
Output Current IOUT(mA)
ESR(W)
0.0 20.0 40.0 60.0 80.0 100.0
: Noise level is under 40µV
APPLICATION HINTS
When using these ICs, be sure to take care regarding the following points :
• In these ICs, phase compensation is made for securing stable operation even when the load current is var-
ied. For this purpose, be sure to use a capacitor COUT with good frequency characteristics and ESR in the
range described above.
• Make VDD and GND lines sufficient. If their impedance is high, the noise picked up or unstable operation
may result.
• Connect the capacitor with a capacitance of about 1µF between VDD and GND with wiring as short as possi-
ble.
• Set external components as close as possible to the ICs and make wiring as short as possible.
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RICOHELECTRONICDEVICESKOREACo.,Ltd.
11floor,Haesung1building,942,Daechidong,Gangnamgu,Seoul,Korea
Phone:+82-2-2135-5700Fax:+82-2-2135-5705
RICOHELECTRONICDEVICESSHANGHAICo.,Ltd.
Room403,No.2Building,690#BiBoRoad,PuDongNewdistrict,Shanghai201203,
People'sRepublicofChina
Phone:+86-21-5027-3200Fax:+86-21-5027-3299
RICOHCOMPANY,LTD.
ElectronicDevicesCompany
●Taipeioffice
Room109,10F-1,No.51,HengyangRd.,TaipeiCity,Taiwan(R.O.C.)
Phone:+886-2-2313-1621/1622Fax:+886-2-2313-1623
http://www.ricoh.com/LSI/
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
.
Ricoh continually strives to promote customer satisfaction, and shares the achievements
of its management quality improvement program with people and society.
■Ricoh awarded ISO 14001 certification.
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 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.