r5320g RICOH Co.,Ltd., r5320g Datasheet

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r5320g

Manufacturer Part Number
r5320g
Description
Cmos 3ch-ldos For Rf Unit
Manufacturer
RICOH Co.,Ltd.
Datasheet
1.R5320G.pdf (28 pages)

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OUTLINE
supply current, low noise, low ON-resistance and high ripple rejectio. The R5320x Series contain three voltage regu-
lators. Each of these voltage regulators in the R5320x Series consists of a voltage reference unit, an error amplifier,
resistors for setting output voltage, a current limit circuit and a chip enable circuit.
dropout voltage, excellent load transient response and line transient response, thus the R5320x Series are very suit-
able for the power supply for hand-held communication equipment.
FEATURES
• Ultra-Low Supply Current ...........................................Typ. 70µA:VR1, Typ. 70µA:VR2, Typ. 70µA:VR3
• Low Standby Current...................................................Typ. 0.1µA:VR1, Typ. 0.1µA:VR2, Typ. 0.1µA:VR3
• Low Dropout Voltage ...................................................Typ. 0.22V (VR1) 0.16V (VR2,VR3)
• High Ripple Rejection ..................................................Typ.70dB (f=1kHz)
• High Output Voltage Accuracy ....................................±2.0%
• Excellent Load Transient Response and Line Transient Response
• Small Package ...............................................................8-Pin SSOP (0.65mm pitch), 8-pin SON8
• Input Voltage.................................................................Max. 6V
APPLICATIONS
• Power source for cellular phones such as GSM,CDMA and Personal Handy-phone System.
• Power source for electrical appliances such as cameras, VCRs, camcorders, etc.
• Power source for battery-powered equipment.
R5320x Series
The R5320x Series are CMOS-based multi voltage regulator ICs with high output voltage accuracy, extremely low
The chip enable function contributes to prolong battery life. Further, regulators in the R5320x Series are with low
The output voltage of each regulator is fixed with high accuracy by laser trim.
Since the package for these ICs is SSOP8G and SON8, high density mounting of the ICs on boards is possible.
CMOS 3CH-LDOs for RF Unit
I
OUT
=150mA:VR1,80mA:VR2,VR3 (ex. for 3.0V Output Type)
NO. EA-063-0204
1

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r5320g Summary of contents

Page 1

R5320x Series OUTLINE The R5320x Series are CMOS-based multi voltage regulator ICs with high output voltage accuracy, extremely low supply current, low noise, low ON-resistance and high ripple rejectio. The R5320x Series contain three voltage regu- lators. Each of these ...

Page 2

... Code Designation of Package Typ SSOP8G D: SON8 b Serial Number for Voltage setting from 001 Alphabetical Code for Mask Versions c A: Standard 2 R5320GxxxA R1_1 Error Amp. Vref R2_1 Current Limit R1_2 Error Amp. Vref R2_2 Current Limit R1_3 Error Amp ...

Page 3

... PIN CONFIGURATION SSOP8G PACKAGE 2.9 ± 0 t=1.3MAX (Unit:mm) 0.65 PIN DESCRIPTIONS R5320G (SSOP8G) Pin NO SON8 PACKAGE 2.9±0.2 0.48TYP *Attention: Tab suspension leads in the parts have V connected to the reverse side of this IC.) Do not connect to other wires or land patterns. ...

Page 4

R5320x R5320D (SSOP8G) Pin NO. ABSOLUTE MAXIMUM RATINGS Symbol OUT I OUT1 I OUT2 I OUT3 PD Topt Tstg 4 Symbol 1 V Input Pin DD 2 CE1 Chip Enable Pin 3 CE2 Chip Enable Pin ...

Page 5

ELECTRICAL CHARACTERISTICS • R5320xxxxA VR1 Symbol Item V Output Voltage OUT I Output Current OUT ∆V /∆I Load Regulation OUT OUT V Dropout Voltage DIF I Supply Current SS Istandby Supply Current (Standby) ∆V /∆V Line Regulation OUT IN RR ...

Page 6

R5320x VR2 Symbol V Output Voltage OUT I Output Current OUT ∆V /∆I Load Regulation OUT OUT V Dropout Voltage DIF I Supply Current SS Istandby Supply Current (Standby) /∆V Line Regulation ∆V OUT IN RR Ripple Rejection V Input ...

Page 7

VR3 Symbol Item V Output Voltage OUT I Output Current OUT ∆V /∆I Load Regulation OUT OUT V Dropout Voltage DIF I Supply Current SS Istandby Supply Current (Standby) /∆V Line Regulation ∆V OUT IN RR Ripple Rejection V Input ...

Page 8

R5320x OPERATION V OUT1 R1_1 R2_1 V OUT2 R1_2 R2_2 V OUT3 R1_3 R2_3 GND Fluctuation of each regulator's output voltage amplifier through feedback resistors, or R1_1, R2_1, R1_2, R2_2, R1_3, R2_3 and compared with a reference voltage ...

Page 9

TEST CIRCUITS I OUT1 V V OUT1 C2 I OUT2 V CE1 OUT2 R5320x SERIES C3 I OUT3 V CE2 OUT3 C4 GND CE3 C1=1 F, C2=C3=C4=2.2 F Basic Test Circuit I OUT1 V V OUT1 C1 I OUT2 V ...

Page 10

R5320x TYPICAL CHARACTERESTICS 1) Output Voltage vs. Output Current 3V 3.5 VR1 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0 0.1 0.2 Output Current I 3V 3.5 VR2 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0 0.1 0.2 Output Current ...

Page 11

VR1 5.5V 5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0 0.1 0.2 0.3 0.4 0.5 Output Current I (A) OUT 5V 5.5 VR2 6V 5.0 5.5V 4.5 4.0 V ...

Page 12

R5320x 4V 5.0 VR1 4.0 3.0 2.0 1.0 0 Input Voltage V 4V 5.0 VR2 4.0 3.0 2.0 1.0 0 Input Voltage V 4V 5.0 VR3 4.0 3.0 2.0 1.0 0 ...

Page 13

Ripple Rejection vs. Input Voltage (DC Bias OUT 80 VR1 3.1 3.2 3.3 Input Voltage VR2 3.1 3.2 ...

Page 14

R5320x 4) Output Voltage vs. Temperature 3V 3.10 VR1 3.05 3.00 2.95 2.90 -50 0 Temperature Topt Topt ( 3V 3.10 VR2 3.05 3.00 2.95 2.90 -50 0 Temperature Topt Topt ( 3V 3.10 VR3 3.05 3.00 2.95 2.90 -50 ...

Page 15

VR1 I = 50mA OUT 5.05 5.00 4.95 4.90 - Temperature Topt Topt ( ) 5V 5.10 VR2 I = 30mA OUT 5.05 5.00 4.95 4.90 - Temperature Topt Topt ( ) 5V 5.10 ...

Page 16

R5320x 6) Supply Current vs. Temperature 3V 100 VR1 -50 0 Temperature Topt Topt ( 100 VR2 -50 0 Temperature Topt Topt ( 100 VR3 ...

Page 17

VR1 - Temperature Topt Topt ( ) 100 VR2 - Temperature Topt Topt ( ) 100 VR3 -50 0 ...

Page 18

R5320x 8) Ripple Rejection vs. Frequency VR1 0 0.1 1 Frequency f (kHz VR2 0 0.1 1 Frequency f (kHz ...

Page 19

C = 0.47 F OUT VR1 0 0 Frequency f (kHz VR2 0 0 Frequency f (kHz ...

Page 20

R5320x VR1 0 0.1 1 Frequency f (kHz VR2 0 0.1 1 Frequency f (kHz ...

Page 21

Dropout Voltage vs. Output Current 3V 0.30 - 0.20 0.15 0.10 0.05 0. Output Current I OUT 0.30 - 0.20 0.15 0.10 0.05 0.00 0 ...

Page 22

R5320x 5V 0.30 - 0.20 0.15 0.10 0.05 0. Output Current I 0.30 - 0.20 0.15 0.10 0.05 0. Output Current I 0.30 -40 ...

Page 23

Line Transient Response 3.02 3.01 3.00 Input Voltage 2.99 2.98 Output Voltage(VR1) 2.97 2. 3.02 3.01 3.00 Input Voltage 2.99 2.98 Output Voltage(VR1) 2.97 2. 3.02 3.01 Input Voltage 3.00 2.99 2.98 Output Voltage(VR1) 2.97 ...

Page 24

R5320x 3.02 3.01 Input Voltage 3.00 2.99 2.98 Output Voltage(VR1) 2.97 2. 3.02 3.01 Input Voltage 3.00 2.99 2.98 Output Voltage(VR1) 2.97 2. 3.02 3.01 Input Voltage 3.00 2.99 2.98 Output Voltage(VR1) 2.97 2. ...

Page 25

Input Voltage 3.00 2.99 2.98 Output Voltage(VR1) 2.97 2. 3.02 3.01 Input Voltage 3.00 2.99 2.98 Output Voltage(VR1) 2.97 2. 3.02 3.01 Input Voltage 3.00 2.99 2.98 Output Voltage(VR1) 2.97 ...

Page 26

R5320x 11) Load Transient Response 3.40 3.35 3.30 3.25 3.20 3.15 3.10 3.05 3.00 2.95 2.90 3.05 3.00 2.95 2.90 3.05 3.00 2.95 2.90 2.85 2. 100 Time t (µs) ...

Page 27

TECHNICAL NOTES To use this IC with ceramic capacitors, ESR should be set in the range of the following graphs. Test circuit for Noise level measurement is shown below; I OUT1 Ceramic Capacitor Spectrum Analyzer ESR S.A. Noise level is ...

Page 28

R5320x Ceramic Capacitor 1 F 100 10 1 0.1 VR2 0. Load Current (mA) 100 10 1 0.1 VR3 0. Load Current (mA) Measuring Conditions Frequency Band : 10Hz to 1MHz Temperature : 25°C 28 100 ...

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