RN5RZ RICOH electronics devices division, RN5RZ Datasheet
RN5RZ
Available stocks
Related parts for RN5RZ
RN5RZ Summary of contents
Page 1
... LOW DROP-OUT AND LOW NOISE VOLTAGE REGULATOR APPLICATION MANUAL ELECTRONIC DEVICES DIVISION RN5RZ SERIES NO.EA-039-9803 ...
Page 2
The products and the product specifications described in this application manual are subject to change or dis- continuation of production without notice for reasons such as improvement. Therefore, before deciding to use the products, please refer to Ricoh sales ...
Page 3
... RN5RZ SERIES APPLICATION MANUAL CONTENTS ...................................................................................................... OUTLINE .................................................................................................... FEATURES ............................................................................................. APPLICATIONS ....................................................................................... BLOCK DIAGRAMS ....................................................................................... SELECTION GUIDE ................................................................................... PIN CONFIGURATION ...................................................................................... PIN DESCRIPTIONS ABSOLUTE MAXIMUM RATINGS ELECTRICAL CHARACTERISTICS .................................................................................................. OPERATION ............................................................................................ TEST CIRCUITS TYPICAL CHARACTERISTICS 1) Output Voltage vs. Output Current 2) Output Voltage vs. Input Voltage 3) Dropout Voltage vs. Output Current 4) Output Voltage vs. Temperature 5) Supply Current vs ...
Page 4
... The output voltage of these ICs is fixed with high accuracy. In addition to low supply current from CMOS process, the RN5RZ 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 ...
Page 5
... C : Antistatic bag (for Samples only) Designation of Taping Type : d Ex. TR, TL (refer to Taping Specifications ; TR type is the standard direction.) For example, the product with Output Voltage of 5.0V, Specified Polarity of Chip Enable is “H” active and Taping Type TR is designated by Part Number RN5RZ50BA-TR ...
Page 6
... SOT-23 (mark side Description Ratings 9 –0 –0 200 250 –40 to +85 –55 to +125 ABSOLUTE MAXIMUM RATINGS RN5RZ Unit ˚C ˚C 3 ...
Page 7
... RN5RZ ELECTRICAL CHARACTERISTICS • RN5RZ A Series Symbol Item V Output Voltage OUT I Output Current OUT ∆V OUT Load Regulation ∆I OUT V Dropout Voltage DIF I Supply Current SS Istandby Supply Current (Standby) ∆V OUT Line Regulation ∆ Ripple Rejection V Input Voltage IN ∆V Output Voltage OUT ∆ ...
Page 8
... RN5RZ B Series Symbol Item V Output Voltage OUT I Output Current OUT ∆V OUT Load Regulation ∆I OUT V Dropout Voltage DIF I Supply Current SS Istandby Supply Current (Standby) ∆V OUT Line Regulation ∆ Ripple Rejection V Input Voltage IN ∆V Output Voltage OUT ∆Topt ...
Page 9
... OUT I OUT V 3 OUT GND OUT V 3 OUT C1 GND RN5RZ B – Error Amp Vref R2 Current Limit OUT RN5RZ SERIES GND Fig.2 Supply Current Test Circuit 3 V OUT 1 GND C2 ...
Page 10
... OUT RN5RZ SERIES GND 1 Fig.4 Load Transient Response Test Circuit OUT RN5RZ SERIES GND 1 Fig.5 Ripple Rejection Test Circuit OUT 1µ 10µF RN5RZ 7 ...
Page 11
... Output Current I 2) Output Voltage vs. Input Voltage RN5RZ30B 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0.0 2.0 Input Voltage V 8 4.0V 5.0V 300 400 500 (mA) OUT 6.0V 7.0V 5.5V 300 400 500 (mA) OUT I =0mA OUT I =30mA OUT I =50mA OUT 4.0 6.0 8.0 (V) IN RN5RZ40B 5.0 4.5 4.5V 5.0V 4.0 V =4.3V IN 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0 100 200 300 400 Output Current I (mA) OUT RN5RZ40B 5.0 4.0 3.0 2.0 I =0mA OUT I =30mA OUT 1.0 I =50mA OUT 0.0 0.0 2.0 4.0 6.0 ...
Page 12
... OUT I =0mA OUT I =30mA OUT I =50mA OUT 6.0 8.0 (V) IN 0.30 0.25 0.20 0.15 0.10 Topt=–40˚C Topt=25˚C 0.05 Topt=85˚C 0.00 80 100 0 (mA) Topt=–40˚C Topt=25˚C Topt=85˚C 80 100 (mA) RN5RZ RN5RZ40B Topt=–40˚C Topt=25˚C Topt=85˚ 100 Output Current I (mA) OUT 9 ...
Page 13
... Output Voltage vs. Temperature RN5RZ30B 3.10 3.05 3.00 2.95 2.90 –50 0 Temperature Topt(˚C) RN5RZ50B 5.10 5.05 5.00 4.95 4.90 –50 0 Temperature Topt(˚C) 5) Supply Current vs. Input Voltage RN5RZ30B 0.0 2.0 Input Voltage V 10 4.10 4.05 4.00 3.95 3.90 50 100 50 100 4.0 6.0 8.0 (V) IN RN5RZ40B – Temperature Topt(˚C) RN5RZ40B 0.0 2.0 4.0 6.0 Input Voltage V (V) IN 100 8.0 ...
Page 14
... RN5RZ50B 0.0 2.0 4.0 Input Voltage V 6) Supply Current vs. Temperature RN5RZ30B –50 0 Temperature Topt(˚C) RN5RZ50B –50 0 Temperature Topt(˚C) 6.0 8.0 ( 100 –50 50 100 RN5RZ RN5RZ40B 0 50 100 Temperature Topt(˚C) 11 ...
Page 15
... Topt=25˚C I =10mA OUT I =30mA OUT I =50mA OUT I =100mA OUT =tantal 2.2µF OUT 10 100 ) Z C =tantal 10µF OUT 10 100 ) Z RN5RZ30B C =tantal 4.7µF OUT =1mA OUT 30 I =30mA OUT 20 I =50mA OUT Frequency f( RN5RZ40B C =tantal 2.2µF ...
Page 16
... OUT 20 I =50mA OUT Frequency f( RN5RZ40B OUT 30 I OUT 20 I OUT 10 0 100 0.1 1 Frequency f(kH RN5RZ50B OUT 30 I OUT 20 I OUT 10 0 100 0.1 1 Frequency f(kH 100 RN5RZ C =tantal 10µF OUT =1mA =30mA =50mA 10 100 ) Z C =tantal 4.7µF ...
Page 17
... OUT f=400Hz f=1kHz f=10kHz 3.3 3.4 3.5 ( =50mA OUT C =tantal 10µF OUT f=400Hz f=1kHz f=10kHz 3.3 3.4 3.5 ( Time t(µ RN5RZ30B I =10mA OUT C =tantal 10µF OUT f=400Hz 20 f=1kHz 10 f=10kHz 0 3.1 3.2 3.3 3.4 Input Voltage V ( =5µ =Ceramic 2.2µF+ESR 1 ...
Page 18
... S Input Voltage Output Voltage Time t(µ =Ceramic 2.2µF+ESR 1 OUT Output Current Output Voltage Time t(µ RN5RZ t =t =5µ =Tantal 3.3µF OUT 100 t =t =5µ =Tantal 10µF ...
Page 19
... RN5RZ 3.4 3.3 3.2 3.1 3.0 2.9 2.8 –10 0 3.4 3.3 3.2 3.1 3.0 2.9 2.8 –10 0 3.4 3.3 3.2 3.1 3.0 2.9 2.8 – Output Current Output Voltage Time t(µ Output Current Output Voltage Time t(µ Output Current Output Voltage Time t(µ =Tantal 2.2µF OUT 150 100 50 0 –50 –100 – ...
Page 20
... Countermeasure for Noise V IN Ceramic capacitor 0.01µF Measuring circuit for white noise ; RN5RZ30B The relation between output current (I described below. The conditions when the noise level is under 40µV (Avg.) are marked as the hatched area in the graph. [Measuring conditions] Frequency band : 0Hz to 1MHz Temperature : 25˚ ...
Page 21
... RN5RZ Ceramic Capacitor 4.7µF : Noise level is under 40µV 100.0 10.0 1.0 0.1 0.0 0.0 20.0 40.0 Output Current I 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 C range described above. • ...
Page 22
... POWER DISSIPATION The power dissipation of RN5RZ series (SOT-23-5) is measured. The measuring conditions as follows: 15.0 0.7 Material : glass cloth epoxy plastic Size of the board : 15 15 1.6mm Wind velocity : 0m/s Mounted with solder 1.0 1.3 15.0 1.0 Unit : mm RN5RZ30B(SOT-23-5) 450 400 350 300 Mounted on the board 250 200 Free air ...
Page 23
... RN5RZ PACKAGE DIMENSION • SOT-23-5 TAPING SPECIFICATION • SOT-23-5 0.3±0.1 2.0MAX. 20 (Unit : mm) 2.9±0.2 1.9±0.2 (0.95) (0.95 0.4±0.1 (Unit : mm) +0.1 ø 1.5 –0 3 User Direction of Feed. +0.2 1.1 –0.1 0.8±0 0.1 +0.1 0.15 –0.05 4.0±0.1 2.0±0.05 3.2 4.0±0 ...
Page 24
RICOH COMPANY, LTD. ELECTRONIC DEVICES DIVISION HEADQUARTERS 13-1, Himemuro-cho, Ikeda City, Osaka 563-8501, JAPAN Phone 81-727-53-1111 Fax 81-727-53-6011 YOKOHAMA OFFICE (International Sales) 3-2-3, Shin-Yokohama, Kohoku-ku, Yokohama City, Kanagawa 222-8530, JAPAN Phone 81-45-477-1697 Fax 81-45-477-1694 • 1695 http://www.ricoh.co.jp/LSI/english/ RICOH CORPORATION ELECTRONIC ...