RN5RZ25AA-TR-FE

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 3 VOUT VDD 2 3 VOUT VDD 2 – – + + Vref Vref Current Limit Current Limit CE 5 1 GND CE 5 1 GND RH5RZxxCA 3 VOUT VDD 2 – + 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 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 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 5 z SOT-89 4 (mark side) (mark side) 1 1 2 2 3 3 PIN DESCRIPTION • • SOT-23-5 Pin No Symbol Pin Description 1 GND 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) Ground Pin SOT-89 Pin No Symbol 1 GND 2 VIN 3 VOUT Pin Description Ground Pin Input Pin Output Pin 3 Rx5RZ ABSOLUTE MAXIMUM RATINGS Symbol Item Rating Unit 9.0 V VIN Input Voltage 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 ∗ PD Power Dissipation ∗ Power Dissipation (SOT-23-5) 420 (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 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 Symbol Item VOUT Output Voltage IOUT Output Current ∆VOUT ∆IOUT Load Regulation VDIF Dropout Voltage ISS Supply Current Istandby Supply Current (Standby) ∆VOUT ∆VIN Line Regulation RR Ripple Rejection VIN Input Voltage ∆VOUT ∆Topt 4 Topt=25˚C Output Voltage Temperature Coefficient Conditions Min. VIN=VOUT+1V, IOUT=30mA ×0.98 VIN=VOUT+1V When VOUT=VOUT–0.1V Typ. Max. Unit ×1.02 V 100 VIN=VOUT+1V mA 20 40 mV IOUT=60mA 0.2 0.3 V VIN=VOUT+1V 20 40 µA VIN=VCE=VOUT+1V 0.1 1.0 µA 0.05 0.20 %/V 1mA≤IOUT≤80mA IOUT=30mA VOUT+0.5V≤VIN≤8.0V f=1kHz, Ripple 0.5Vrms 55 VIN=VOUT+1V dB 8 IOUT=30mA –40˚C≤Topt≤85˚C Ilim Short Current Limit VOUT=0V RPU CE Pull-up Resistance 2.5 VCEH CE Input Voltage “H” 1.5 VCEL CE Input Voltage “L” 0.00 V ±100 ppm/˚C 50 mA 5.0 10.0 MΩ V 0.25 V Rx5RZ • RN5RZxxB Series Symbol Topt=25˚C Item Conditions Min. Typ. Max. Unit × 1.02 V VOUT Output Voltage VIN=VOUT+1V, IOUT=30mA × 0.98 IOUT Output Current VIN=VOUT+1V When VOUT=VOUT–0.1V 100 ∆VOUT ∆IOUT Load Regulation VIN=VOUT+1V 1mA≤IOUT≤80mA 20 40 mV VDIF Dropout Voltage IOUT=60mA 0.2 0.3 V ISS Supply Current VIN=VOUT+1V 20 40 µA VIN=VOUT+1V, VCE=GND 0.1 1.0 µA 0.20 %/V Istandby Supply Current (Standby) mA ∆VOUT ∆VIN Line Regulation IOUT=30mA VOUT+0.5V≤VIN≤8.0V 0.05 RR Ripple Rejection f=1kHz, Ripple 0.5Vrms VIN=VOUT+1V 55 VIN Input Voltage ∆VOUT ∆Topt dB 8 Output Voltage Temperature Coefficient IOUT=30mA –40˚C≤Topt≤85˚C ±100 ppm/˚C VOUT=0V 50 mA Ilim Short Current Limit RPU CE Pull-down Resistance 2.5 VCEH CE Input Voltage “H” 1.5 VCEL CE Input Voltage “L” 0.00 5.0 10.0 MΩ V 0.25 • RH5RZxxC Series Symbol V V Topt=25˚C Item Conditions Min. Typ. Max. Unit × 1.02 V VOUT Output Voltage VIN=VOUT+1V, IOUT=30mA × 0.98 IOUT Output Current VIN=VOUT+1V 100 ∆VOUT ∆IOUT Load Regulation VIN=VOUT+1V 1mA≤IOUT≤80mA 20 40 mV VDIF Dropout Voltage IOUT=60mA 0.2 0.3 V ISS Supply Current VIN=VOUT+1V 20 40 µA ∆VOUT ∆VIN Line Regulation IOUT=30mA VOUT+0.5V≤VIN≤8.0V 0.05 0.20 %/V RR Ripple Rejection f=1kHz, Ripple 0.5Vrms VIN=VOUT+1V 55 VIN Input Voltage ∆VOUT ∆Topt Ilim Output Voltage Temperature Coefficient Short Current Limit mA dB 8 V IOUT=30mA –40˚C≤Topt≤85˚C ±100 ppm/˚C VOUT=0V 50 mA 5 Rx5RZ OPERATION RN5RZxxB RN5RZxxA 3 VOUT VDD 2 3 VOUT VDD 2 – Error Amp. – + R1 Current Limit R2 Error Amp. Vref + R1 Current Limit R2 Vref CE 5 1 GND CE 5 1 GND RH5RZxxC 3 VOUT VDD 2 – + R1 Current Limit R2 Vref 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 2 VDD VOUT 3 IOUT C1 5 CE C2 GND 1 VOUT 3 C1 5 CE C2 GND 1 C1 : 1µF C2 : 10µF Fig.1 Standard Test Circuit 6 VIN VDD RN5RZxxB SERIES A RN5RZxxB SERIES VIN 2 C1 : 1µF C2 : 10µF Fig.2 Supply Current Test Circuit Rx5RZ 2 VDD VOUT 3 IOUT RN5RZxxB SERIES P.G. 5 VIN CE C1 GND 1 C1 : 10µF Fig.3 Line Transient Response Test Circuit 2 VDD VOUT 3 RN5RZxxB SERIES VIN C1 5 CE C2 GND l1 1 l2 C1 : 1µF C2 : 10µF Fig.4 Load Transient Response Test Circuit 2 VIN VDD VOUT 3 IOUT RN5RZxxB SERIES C1 5 CE C2 GND 1 C1 : 1µF C2 : 10µF Fig.5 Ripple Rejection Test Circuit 7 Rx5RZ TYPICAL CHARACTERISTICS 1) Output Voltage vs. Output Current Rx5RZ30x Rx5RZ40x 5.0 3.5 4.0V 5.0V VIN=3.3V 2.5 4.5 Output Voltage VOUT(V) Output Voltage VOUT(V) 3.5V 3.0 2.0 1.5 1.0 0.5 4.5V 5.0V 4.0 6.0V VIN=4.3V 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0.0 0 100 200 300 400 500 0 Output Current IOUT(mA) 100 200 300 400 500 Output Current IOUT(mA) Rx5RZ50x 6.0 Output Voltage VOUT(V) 6.0V 5.0 7.0V VIN=5.3V 4.0 5.5V 3.0 2.0 1.0 0.0 0 100 200 300 400 500 Output Current IOUT(mA) 2) Output Voltage vs. Input Voltage Rx5RZ30x Rx5RZ40x 5.0 3.5 3.0 2.5 2.0 1.5 IOUT=0mA 1.0 IOUT=30mA 0.5 IOUT=50mA 0.0 0.0 2.0 4.0 6.0 Input Voltage VIN(V) 8 Output Voltage VOUT(V) Output Voltage VOUT(V) 4.0 4.0 3.0 2.0 IOUT=0mA IOUT=30mA 1.0 IOUT=50mA 8.0 0.0 0.0 2.0 4.0 6.0 Input Voltage VIN(V) 8.0 Rx5RZ Rx5RZ50x Output Voltage VOUT(V) 6.0 5.0 4.0 3.0 IOUT=0mA 2.0 IOUT=30mA 1.0 IOUT=50mA 0.0 0.0 2.0 4.0 6.0 8.0 Input Voltage VIN(V) 3) Dropout Voltage vs. Output Current Rx5RZ40x 0.30 0.25 0.25 0.20 0.15 0.10 Topt=–40˚C 0.05 Topt=25˚C Dropout Voltage VDIF(V) Dropout Voltage VDIF(V) Rx5RZ30x 0.30 0.20 0.15 0.10 Topt=–40˚C 0.05 Topt=25˚C Topt=85˚C Topt=85˚C 0.00 0.00 0 20 40 60 80 100 Output Current IOUT(mA) 0 20 40 60 80 100 Output Current IOUT(mA) Rx5RZ50x Dropout Voltage VDIF(V) 0.35 0.30 0.25 0.20 0.15 Topt=–40˚C 0.10 Topt=25˚C 0.05 Topt=85˚C 0.00 0 20 40 60 80 100 Output Current IOUT(mA) 9 Rx5RZ 4) Output Voltage vs. Temperature Rx5RZ30x Rx5RZ40x 4.10 Output Voltage VOUT(V) Output Voltage VOUT(V) 3.10 3.05 3.00 2.95 2.90 –50 0 50 4.05 4.00 3.95 3.90 –50 100 Temperature Topt(˚C) 0 50 100 Temperature Topt(˚C) Rx5RZ50x Output Voltage VOUT(V) 5.10 5.05 5.00 4.95 4.90 –50 0 50 100 Temperature Topt(˚C) 5) Supply Current vs. Input Voltage Rx5RZ40x 30 25 25 Supply Current ISS(µA) Supply Current ISS(µA) Rx5RZ30x 30 20 15 10 5 0 0.0 2.0 4.0 6.0 Input Voltage VIN(V) 10 8.0 20 15 10 5 0 0.0 2.0 4.0 6.0 Input Voltage VIN(V) 8.0 Rx5RZ Rx5RZ50x Supply Current ISS(µA) 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 Rx5RZ40x 30 25 25 Supply Current ISS(µA) Supply Current ISS(µA) Rx5RZ30x 30 20 15 10 5 0 –50 0 50 100 Temperature Topt(˚C) 20 15 10 5 0 –50 0 50 100 Temperature Topt(˚C) Rx5RZ50x Supply Current ISS(µA) 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 Dropout Voltage VDIF(V) 0.35 IOUT=10mA 0.30 IOUT=30mA 0.25 IOUT=50mA 0.20 IOUT=100mA 0.15 0.10 0.05 0.00 2 3 4 5 6 Set Output Voltage Vreg(V) 8) Ripple Rejection vs. Frequency Rx5RZ30x Rx5RZ30x COUT=tantal 2.2µF 60 50 40 30 20 10 0 0.1 IOUT=1mA IOUT=30mA IOUT=50mA 1 10 IOUT=1mA IOUT=30mA IOUT=50mA 1 10 Frequency f(kHZ) 12 30 20 10 IOUT=1mA IOUT=30mA IOUT=50mA 1 10 Rx5RZ40x COUT=tantal 10µF 40 0 0.1 40 Rx5RZ30x 50 10 50 Frequency f(kHZ) 60 20 60 0 0.1 100 70 30 70 Frequency f(kHZ) 80 Ripple Rejection RR(dB) Ripple Rejection RR(dB) 70 COUT=tantal 4.7µF 80 100 100 COUT=tantal 2.2µF 80 Ripple Rejection RR(dB) Ripple Rejection RR(dB) 80 70 60 50 40 30 20 10 0 0.1 IOUT=1mA IOUT=30mA IOUT=50mA 1 10 Frequency f(kHZ) 100 Rx5RZ Rx5RZ40x Ripple Rejection RR(dB) 70 60 50 40 30 20 10 0 0.1 IOUT=1mA IOUT=30mA IOUT=50mA 1 10 40 30 20 10 IOUT=1mA IOUT=30mA IOUT=50mA 1 10 Rx5RZ50x Rx5RZ50x COUT=tantal 2.2µF 50 40 0 0.1 50 Frequency f(kHZ) 60 10 60 0 0.1 100 70 20 70 Frequency f(kHZ) 80 30 COUT=tantal 10µF 80 IOUT=1mA IOUT=30mA IOUT=50mA 1 10 100 Frequency f(kHZ) 100 COUT=tantal 4.7µF 80 Ripple Rejection RR(dB) Ripple Rejection RR(dB) 80 Ripple Rejection RR(dB) Rx5RZ40x COUT=tantal 4.7µF 70 60 50 40 30 20 10 0 0.1 IOUT=1mA IOUT=30mA IOUT=50mA 1 10 100 Frequency f(kHZ) Rx5RZ50x COUT=tantal 10µF Ripple Rejection RR(dB) 80 70 60 50 40 30 20 10 0 0.1 IOUT=1mA IOUT=30mA IOUT=50mA 1 10 100 Frequency f(kHZ) 13 Rx5RZ 9) Ripple Rejection vs. Input Voltage (DC bias) Rx5RZ30x IOUT =10mA Rx5RZ30x IOUT =1mA COUT=tantal 10µF 60 50 40 30 f=400Hz 20 f=1kHz 10 60 50 40 30 3.2 3.3 3.4 f=400Hz 20 f=1kHz 10 f=10kHz 0 3.1 COUT=tantal 10µF 70 Ripple Rejection RR(dB) Ripple Rejection RR(dB) 70 f=10kHz 0 3.1 3.5 3.2 3.3 3.4 Input Voltage VIN(V) Input Voltage VIN(V) Rx5RZ30x IOUT =50mA COUT=tantal 10µF Ripple Rejection RR(dB) 70 60 50 40 30 f=400Hz 20 f=1kHz 10 f=10kHz 0 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 6 Input Voltage 3.3 5 3.2 4 3.1 3 Output Voltage 3.0 2 2.9 1 2.8 0 10 20 30 40 50 Time t(µS) 14 60 70 80 90 0 100 Input Voltage VIN(V) Output Voltage VOUT(V) 3.4 3.5 Rx5RZ tr=tf=5µS COUT=Tantal 3.3µF 6 3.3 5 Input Voltage 3.2 4 3.1 3 Output Voltage 3.0 2 2.9 1 2.8 0 10 20 30 40 50 60 70 80 Input Voltage VIN(V) Output Voltage VOUT(V) 3.4 0 100 90 Time t(µS) tr=tf=5µS COUT=Tantal 10µF 6 3.3 5 Input Voltage 3.2 4 3.1 3 Output Voltage 3.0 2 2.9 1 0 100 2.8 0 10 20 30 40 50 60 70 80 Input Voltage VIN(V) Output Voltage VOUT(V) 3.4 90 Time t(µS) 11) Load Transient Response COUT=Ceramic 2.2µF+1Ω Output Voltage VOUT(V) Output Current 3.3 100 50 3.2 Output Voltage 3.1 0 3.0 –50 2.9 –100 2.8 0 10 20 30 40 50 60 70 80 90 Output Current IOUT(mA) 150 3.4 –150 100 Time t(µS) 15 Rx5RZ COUT=Tantal 2.2µF 150 3.3 100 Output Current 3.2 50 Output Voltage 3.1 0 3.0 –50 2.9 –100 2.8 0 10 20 30 40 50 60 70 80 90 Output Current IOUT(mA) Output Voltage VOUT(V) 3.4 –150 100 Time t(µS) COUT=Tantal 3.3µF Output Voltage VOUT(V) 3.3 100 Output Current 50 3.2 Output Voltage 3.1 0 3.0 –50 2.9 –100 2.8 0 10 20 30 40 50 60 70 80 90 Output Current IOUT(mA) 150 3.4 –150 100 Time t(µS) COUT=Tantal 10µF Output Voltage VOUT(V) 3.3 100 Output Current 50 3.2 Output Voltage 3.1 0 3.0 –50 2.9 –100 2.8 0 10 20 30 40 50 Time t(µS) 16 60 70 80 90 –150 100 Output Current IOUT(mA) 150 3.4 Rx5RZ FOR STABLE OPERATION • Countermeasure for Noise 2 VIN VOUT RN5RZxxB SERIES VIN 5 CE 3 Ceramic Capacitor S.A. Spectrum Analyzer 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 100.0 10.0 ESR(W) ESR(W) 10.0 1.0 0.1 0.0 0.0 : Noise level is under 40µV 100.0 1.0 0.1 20.0 40.0 60.0 80.0 Output Current IOUT(mA) 100.0 0.0 0.0 20.0 40.0 60.0 80.0 100.0 Output Current IOUT(mA) 17 Rx5RZ Ceramic Capacitor 10µF Ceramic Capacitor 4.7µF : Noise level is under 40µV 100.0 10.0 ESR(W) ESR(W) 10.0 1.0 1.0 0.1 0.1 0.0 0.0 : Noise level is under 40µV 100.0 20.0 40.0 60.0 80.0 100.0 0.0 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 varied. 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 possible. • 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. 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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. 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