RN5RZ35CA-TR-FE [RICOH]
Supply Current Typ. 20uA;
| 型号： | RN5RZ35CA-TR-FE |
| 厂家： | 
RICOH ELECTRONICS DEVICES DIVISION |
| 描述： | Supply Current Typ. 20uA |
| 文件： | 总20页 (文件大小：568K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Rx5RZ SERIES
LOW DROPOUT AND LOW NOISE VOLTAGE REGULATOR
NO. EA-039-111020
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 Series may lengthen battery life through low
dropout voltage and chip enable function thanks to the built-in low ON resistance transistor. Also when compared
with conventional regulators that employ CMOS process, these ICs have superior ripple rejection, input transient
response characteristic and load transient response characteristic thus making these product suitable for power
supply for hand-held communication equipment.
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
1
Rx5RZ
BLOCK DIAGRAMS
RN5RZxxAA
RN5RZxxBA
VDD
3
V
OUT
VDD
3 VOUT
2
2
–
+
–
+
Vref
Vref
Current Limit
Current Limit
5
2
CE
5
1
3
GND
1 GND
CE
RH5RZxxCA
VDD
VOUT
–
+
Vref
Current Limit
1
GND
SELECTION GUIDE
The output voltage and package for the ICs can be selected at the user’s request.
Product Name
RN5RZxx∗A-TR-FE
RH5RZxxCA-T1-FE
Package
SOT-23-5
SOT-89
Quantity per Reel
3,000 pcs
Pb Free
Yes
Halogen Free
Yes
Yes
1,000 pcs
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 INFORMATIONS.)
∗ : CE pin polarity are options as follows
(A) "L" active
(B) "H" active
(C) without chip enable
2
Rx5RZ
PIN CONFIGURATION
z SOT-23-5
z SOT-89
5
4
(mark side)
(mark side)
3
1
2
1
2
3
PIN DESCRIPTION
• SOT-23-5
Pin No
Symbol
GND
VDD
Pin Description
1
2
3
4
Ground Pin
Input Pin
VOUT
Output Pin
NC
No Connection (Only RN5RZxxA/B)
Chip Enable Pin (Only RN5RZxxA/B)
5
CE
or CE
• SOT-89
Pin No
Symbol
GND
VIN
Pin Description
1
2
3
Ground Pin
Input Pin
VOUT
Output Pin
3
Rx5RZ
ABSOLUTE MAXIMUM RATINGS
Symbol
Item
Rating
9.0
Unit
V
VIN
Input Voltage
VCE
V
−0.3 to VIN+0.3
−0.3 to VIN+0.3
150
CE
Input Voltage (
Output Voltage
Output Current
or CE)
VOUT
IOUT
V
mA
Power Dissipation∗ (SOT-23-5)
Power Dissipation∗ (SOT-89)
Operating Temperature Range
Storage Temperature Range
420
PD
mW
900
Topt
Tstg
−40 to 85
−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.
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.
4
Rx5RZ
ELECTRICAL CHARACTERISTICS
• RN5RZxxA Series
Topt=25˚C
Symbol
Item
Output Voltage
Conditions
Min.
Typ.
Max.
Unit
VOUT
VIN=VOUT+1V, IOUT=30mA
×0.98
×1.02
V
VIN=VOUT+1V
IOUT
Output Current
Load Regulation
100
mA
When VOUT=VOUT–0.1V
VIN=VOUT+1V
∆VOUT
∆IOUT
20
40
mV
1mA≤IOUT≤80mA
VDIF
ISS
Dropout Voltage
IOUT=60mA
VIN=VOUT+1V
0.2
20
0.3
40
V
Supply Current
µA
µA
Istandby
Supply Current (Standby)
VIN=VCE=VOUT+1V
0.1
1.0
IOUT=30mA
∆VOUT
∆VIN
Line Regulation
0.05
55
0.20
8
%/V
VOUT+0.5V≤VIN≤8.0V
f=1kHz, Ripple 0.5Vrms
VIN=VOUT+1V
RR
Ripple Rejection
Input Voltage
dB
V
VIN
Output Voltage
IOUT=30mA
∆VOUT
∆Topt
100
ppm/˚C
Temperature Coefficient
–40˚C≤Topt≤85˚C
Ilim
RPU
Short Current Limit
CE Pull-up Resistance
CE Input Voltage “H”
CE Input Voltage “L”
VOUT=0V
50
mA
MΩ
V
2.5
1.5
5.0
10.0
0.25
VCEH
VCEL
0.00
V
4
Rx5RZ
• RN5RZxxB Series
Topt=25˚C
Unit
Symbol
Item
Output Voltage
Conditions
IN=VOUT+1V, IOUT=30mA
VIN=VOUT+1V
Min.
Typ.
Max.
VOUT
V
×0.98
×1.02
V
IOUT
Output Current
Load Regulation
100
mA
mV
When VOUT=VOUT–0.1V
VIN=VOUT+1V
1mA≤IOUT≤80mA
∆VOUT
∆IOUT
20
40
VDIF
ISS
Dropout Voltage
IOUT=60mA
VIN=VOUT+1V
0.2
20
0.3
40
V
Supply Current
µA
µA
Istandby
Supply Current (Standby)
VIN=VOUT+1V, VCE=GND
0.1
1.0
IOUT=30mA
VOUT+0.5V≤VIN≤8.0V
∆VOUT
∆VIN
Line Regulation
0.05
55
0.20
8
%/V
f=1kHz, Ripple 0.5Vrms
VIN=VOUT+1V
RR
Ripple Rejection
Input Voltage
dB
V
VIN
Output Voltage
Temperature Coefficient
IOUT=30mA
–40˚C≤Topt≤85˚C
∆VOUT
∆Topt
100
ppm/˚C
Ilim
RPU
Short Current Limit
VOUT=0V
50
mA
MΩ
V
CE Pull-down Resistance
CE Input Voltage “H”
CE Input Voltage “L”
2.5
1.5
5.0
10.0
0.25
VCEH
VCEL
0.00
V
• RH5RZxxC Series
Topt=25˚C
Unit
V
Symbol
Item
Output Voltage
Output Current
Conditions
VIN=VOUT+1V, IOUT=30mA
VIN=VOUT+1V
Min.
×0.98
100
Typ.
Max.
VOUT
IOUT
×1.02
mA
VIN=VOUT+1V
1mA≤IOUT≤80mA
∆VOUT
∆IOUT
Load Regulation
20
40
mV
VDIF
ISS
Dropout Voltage
Supply Current
IOUT=60mA
0.2
20
0.3
40
V
VIN=VOUT+1V
µA
IOUT=30mA
VOUT+0.5V≤VIN≤8.0V
∆VOUT
∆VIN
Line Regulation
0.05
55
0.20
%/V
f=1kHz, Ripple 0.5Vrms
VIN=VOUT+1V
RR
Ripple Rejection
Input Voltage
dB
V
VIN
8
Output Voltage
Temperature Coefficient
IOUT=30mA
–40˚C≤Topt≤85˚C
∆VOUT
∆Topt
100
50
ppm/˚C
Ilim
Short Current Limit
VOUT=0V
mA
5
Rx5RZ
OPERATION
RN5RZxxB
RN5RZxxA
3
VOUT
3 VOUT
VDD
2
VDD
2
–
–
Error Amp.
Vref
Error Amp.
Vref
+
+
R1
R2
R1
R2
Current Limit
Current Limit
5
2
CE
5
1
3
GND
1 GND
CE
RH5RZxxC
VOUT
VDD
–
+
R1
R2
Vref
Current Limit
1
GND
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.
TEST CIRCUITS
IOUT
2
VDD
VOUT
3
2
5
VDD
VOUT
3
RN5RZxxB
SERIES
A
RN5RZxxB
SERIES
VIN
C1
C2
C2
C1
5
CE
CE
VIN
GND
1
GND
1
C1 : 1µF
C2 : 10µF
C1 : 1µF
C2 : 10µF
Fig.1 Standard Test Circuit
Fig.2 Supply Current Test Circuit
6
Rx5RZ
IOUT
C1
2
5
VDD
VOUT
3
RN5RZxxB
SERIES
P.G.
CE
GND
1
VIN
C1 : 10µF
Fig.3 Line Transient Response Test Circuit
2
5
VDD
VOUT
3
RN5RZxxB
SERIES
VIN
C1
C2
CE
GND
1
l1
l2
C1 : 1µF
C2 : 10µF
Fig.4 Load Transient Response Test Circuit
IOUT
C2
2
5
VDD
VOUT
3
RN5RZxxB
SERIES
VIN
C1
CE
GND
1
C1 : 1µF
C2 : 10µF
Fig.5 Ripple Rejection Test Circuit
7
Rx5RZ
TYPICAL CHARACTERISTICS
1) Output Voltage vs. Output Current
Rx5RZ30x
Rx5RZ40x
3.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
3.5V
4.0V
4.5V
5.0V
3.0
2.5
2.0
1.5
1.0
0.5
0.0
6.0V
5.0V
VIN=3.3V
VIN=4.3V
0
100
200
300
400
500
0
100
200
300
400
500
Output Current IOUT(mA)
Output Current IOUT(mA)
Rx5RZ50x
6.0
5.0
4.0
3.0
2.0
1.0
0.0
6.0V
7.0V
VIN=5.3V
5.5V
0
100
200
300
400
500
Output Current IOUT(mA)
2) Output Voltage vs. Input Voltage
Rx5RZ30x
Rx5RZ40x
4.0
5.0
4.0
3.0
2.0
1.0
0.0
3.5
3.0
2.5
2.0
1.5
IOUT=0mA
IOUT=30mA
IOUT=0mA
1.0
0.5
0.0
IOUT=30mA
IOUT=50mA
IOUT=50mA
0.0
2.0
4.0
6.0
8.0
0.0
2.0
4.0
6.0
8.0
Input Voltage VIN(V)
Input Voltage VIN(V)
8
Rx5RZ
Rx5RZ50x
6.0
5.0
4.0
3.0
2.0
1.0
0.0
IOUT=0mA
IOUT=30mA
IOUT=50mA
0.0
2.0
4.0
6.0
8.0
Input Voltage VIN(V)
3) Dropout Voltage vs. Output Current
Rx5RZ30x
Rx5RZ40x
0.30
0.30
0.25
0.20
0.15
0.10
0.05
0.00
0.25
0.20
0.15
0.10
Topt=–40˚C
Topt=–40˚C
Topt=25˚C
Topt=85˚C
Topt=25˚C
Topt=85˚C
0.05
0.00
0
20
40
60
80
100
0
20
40
60
80
100
Output Current IOUT(mA)
Output Current IOUT(mA)
Rx5RZ50x
0.35
0.30
0.25
0.20
0.15
Topt=–40˚C
0.10
0.05
0.00
Topt=25˚C
Topt=85˚C
0
20
40
60
80
100
Output Current IOUT(mA)
9
Rx5RZ
4) Output Voltage vs. Temperature
Rx5RZ30x
Rx5RZ40x
3.10
4.10
4.05
4.00
3.95
3.90
3.05
3.00
2.95
2.90
–50
0
50
100
–50
0
50
100
Temperature Topt(˚C)
Temperature Topt(˚C)
Rx5RZ50x
5.10
5.05
5.00
4.95
4.90
–50
0
50
100
Temperature Topt(˚C)
5) Supply Current vs. Input Voltage
Rx5RZ40x
Rx5RZ30x
30
25
20
15
10
5
30
25
20
15
10
5
0
0.0
0
0.0
2.0
4.0
6.0
8.0
2.0
4.0
6.0
8.0
Input Voltage VIN(V)
Input Voltage VIN(V)
10
Rx5RZ
Rx5RZ50x
30
25
20
15
10
5
0
0.0
2.0
4.0
6.0
8.0
Input Voltage VIN(V)
6) Supply Current vs. Temperature
Rx5RZ30x
Rx5RZ40x
30
30
25
20
15
10
5
25
20
15
10
5
0
–50
0
–50
0
50
100
0
50
100
Temperature Topt(˚C)
Temperature Topt(˚C)
Rx5RZ50x
30
25
20
15
10
5
0
–50
0
50
100
Temperature Topt(˚C)
11
Rx5RZ
7) Dropout Voltage vs. Set Output Voltage
Rx5RZxxx
Topt=25˚C
0.35
IOUT=10mA
0.30
IOUT=30mA
0.25
0.20
0.15
0.10
0.05
0.00
IOUT=50mA
IOUT=100mA
2
3
4
5
6
Set Output Voltage Vreg(V)
8) Ripple Rejection vs. Frequency
Rx5RZ30x
Rx5RZ30x
COUT=tantal 2.2µF
COUT=tantal 4.7µF
80
70
60
50
40
30
20
10
0
80
70
60
50
40
30
20
10
0
IOUT=1mA
IOUT=30mA
IOUT=50mA
IOUT=1mA
IOUT=30mA
IOUT=50mA
0.1
1
10
100
0.1
1
10
100
Frequency f(kHZ)
Frequency f(kHZ)
Rx5RZ30x
Rx5RZ40x
COUT=tantal 10µF
COUT=tantal 2.2µF
80
70
60
50
40
30
20
10
0
80
70
60
50
40
30
20
10
0
IOUT=1mA
IOUT=30mA
IOUT=50mA
IOUT=1mA
IOUT=30mA
IOUT=50mA
0.1
1
10
100
0.1
1
10
100
Frequency f(kHZ)
Frequency f(kHZ)
12
Rx5RZ
Rx5RZ40x
Rx5RZ40x
COUT=tantal 4.7µF
COUT=tantal 10µF
80
70
60
50
40
30
20
10
0
80
70
60
50
40
30
20
10
0
IOUT=1mA
IOUT=30mA
IOUT=50mA
IOUT=1mA
IOUT=30mA
IOUT=50mA
0.1
1
10
100
100
100
0.1
1
10
100
Frequency f(kHZ)
Frequency f(kHZ)
Rx5RZ50x
Rx5RZ50x
COUT=tantal 2.2µF
COUT=tantal 4.7µF
80
70
60
50
40
30
20
10
0
80
70
60
50
40
30
20
10
0
IOUT=1mA
IOUT=30mA
IOUT=50mA
IOUT=1mA
IOUT=30mA
IOUT=50mA
0.1
1
10
0.1
1
10
100
Frequency f(kHZ)
Frequency f(kHZ)
Rx5RZ50x
COUT=tantal 10µF
80
70
60
50
40
30
20
10
0
IOUT=1mA
IOUT=30mA
IOUT=50mA
0.1
1
10
Frequency f(kHZ)
13
Rx5RZ
9) Ripple Rejection vs. Input Voltage (DC bias)
Rx5RZ30x
Rx5RZ30x
IOUT =10mA
COUT=tantal 10µF
IOUT =1mA
COUT=tantal 10µF
70
60
50
40
30
20
10
0
70
60
50
40
30
20
10
0
f=400Hz
f=1kHz
f=400Hz
f=1kHz
f=10kHz
f=10kHz
3.1
3.2
3.3
3.4
3.5
3.1
3.2
3.3
3.4
3.5
Input Voltage VIN(V)
Input Voltage VIN(V)
Rx5RZ30x IOUT =50mA
COUT=tantal 10µF
70
60
50
40
30
20
10
0
f=400Hz
f=1kHz
f=10kHz
3.1
3.2
3.3
3.4
3.5
Input Voltage VIN(V)
10) Line Transient Response
tr=tf=5µS
COUT=Ceramic 2.2µF+ESR 1Ω
3.4
3.3
3.2
3.1
3.0
2.9
2.8
6
Input Voltage
5
4
3
2
1
0
Output Voltage
0
10
20
30
40
50
60
70
80
90
100
Time t(µS)
14
Rx5RZ
tr=tf=5µS
COUT=Tantal 3.3µF
3.4
3.3
3.2
3.1
3.0
2.9
2.8
6
5
Input Voltage
4
3
2
1
0
Output Voltage
0
10
20
30
40
50
60
70
80
90
100
Time t(µS)
tr=tf=5µS
COUT=Tantal 10µF
3.4
3.3
3.2
3.1
3.0
2.9
2.8
6
5
Input Voltage
4
3
2
1
0
Output Voltage
0
10
20
30
40
50
60
70
80
90
100
Time t(µS)
11) Load Transient Response
COUT=Ceramic 2.2µF+1Ω
3.4
3.3
3.2
3.1
3.0
2.9
2.8
150
100
50
Output Current
Output Voltage
0
–50
–100
–150
0
10
20
30
40
50
Time t(µS)
60
70
80
90
100
15
Rx5RZ
COUT=Tantal 2.2µF
3.4
3.3
3.2
3.1
3.0
2.9
2.8
150
100
Output Current
50
Output Voltage
0
–50
–100
–150
0
0
0
10
10
10
20
20
20
30
30
30
40
40
40
50
60
60
60
70
80
90
100
Time t(µS)
COUT=Tantal 3.3µF
3.4
3.3
3.2
3.1
3.0
2.9
2.8
150
100
Output Current
Output Voltage
50
0
–50
–100
–150
50
70
80
90
100
Time t(µS)
COUT=Tantal 10µF
3.4
3.3
3.2
3.1
3.0
2.9
2.8
150
100
50
Output Current
Output Voltage
0
–50
–100
–150
50
70
80
90
100
Time t(µS)
16
Rx5RZ
FOR STABLE OPERATION
• Countermeasure for Noise
2
5
VIN
VOUT
3
Ceramic
RN5RZxxB
SERIES
Capacitor
VIN
S.A.
Spectrum
Analyzer
CE
GND
1
ESR
IOUT
Ceramic capacitor
0.01µF
Measuring circuit for white noise ; RN5RZ30B
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
Ceramic Capacitor 1µF
Ceramic Capacitor 2.2µF
: Noise level is under 40µV
: Noise level is under 40µV
100.0
10.0
1.0
100.0
10.0
1.0
0.1
0.1
0.0
0.0
0.0
0.0
20.0
40.0
60.0
80.0
100.0
20.0
40.0
60.0
80.0
100.0
Output Current IOUT(mA)
Output Current IOUT(mA)
17
Rx5RZ
Ceramic Capacitor 10µF
Ceramic Capacitor 4.7µF
: Noise level is under 40µV
: Noise level is under 40µV
100.0
10.0
1.0
100.0
10.0
1.0
0.1
0.0
0.1
0.0
0.0
20.0
40.0
60.0
80.0
100.0
0.0
20.0
40.0
60.0
80.0
100.0
Output Current IOUT(mA)
Output Current IOUT(mA)
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.
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, fire containment 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 is committed to reducing the environmental loading materials in electrical devices
with a view to contributing to the protection of human health and the environment.
Ricoh has been providing RoHS compliant products since April 1, 2006 and Halogen-free products since
Halogen Free
April 1, 2012.
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