r1115z RICOH Co.,Ltd., r1115z Datasheet

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r1115z

Manufacturer Part Number
r1115z
Description
Low Noise 150ma Ldo Regulator
Manufacturer
RICOH Co.,Ltd.
Datasheet

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r1115z281B-TR-F
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r1115z291D-TR-FD
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OUTLINE
ON-resistance, and high ripple rejection. Each of these ICs consists of a voltage reference unit, an error amplifier,
resistor-net for voltage setting, a current limit circuit, and a chip-enable circuit.
transient response of the R1115Z Series are excellent, thus these ICs are very suitable for the power supply for
hand-held communication equipment.
therefore high density mounting of the ICs on boards is possible.
FEATURES
APPLICATIONS
LOW NOISE 150mA LDO Regulator
The R1115Z Series are CMOS-based voltage regulator ICs with extremely low supply current, low
These ICs perform with low dropout voltage and a chip-enable function. The line transient response and load
The output voltage of these ICs is fixed with high accuracy. Since the package for these ICs is WLCSP-4-P4,
• Supply Current ..................................................................... Typ. 75µA
• Standby Current ................................................................... Typ. 0.1µA
• Output Voltage ..................................................................... 1.5V to 4.0V
• Dropout Voltage ................................................................... Typ. 0.22V (I
• Ripple Rejection................................................................... Typ. 70dB (f=1kHz)
• Temperature-Drift Coefficient of Output Voltage .................. Typ. ±100ppm/°C
• Line Regulation .................................................................... Typ. 0.02%/V
• Output Voltage Accuracy...................................................... ±2.0%
• Packages ............................................................................ WLCSP-4-P4
• Built-in Fold Back Protection Circuit .................................... Typ. 40mA (Current at short mode)
• Ceramic capacitors are recommended to be used with this IC ... C
• Power source for portable communication equipment.
• Power source for electrical appliances such as cameras, VCRs and camcorders.
• Power source for battery-powered equipment.
R1115Z SERIES
Typ. 60dB (f=10kHz)
C
IN
IN
=C
=1µF, C
OUT
=1µF (V
OUT
OUT
=0.47µF (V
=150mA, V
OUT
<2.5V)
OUT
OUT
NO.EA-107-070910
> =
=3.0V)
2.5V)
1

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r1115z Summary of contents

Page 1

... These ICs perform with low dropout voltage and a chip-enable function. The line transient response and load transient response of the R1115Z Series are excellent, thus these ICs are very suitable for the power supply for hand-held communication equipment. ...

Page 2

... R1115Z BLOCK DIAGRAMS R1115Zxx1A V DD Vref Current Limit CE R1115Zxx1D V DD Vref Current Limit CE 2 R1115Zxx1B OUT Vref Current Limit CE GND V OUT GND V OUT GND ...

Page 3

... Stepwise setting with a step of 0.1V in the range of 1.5V to 4.0V is possible. Designation of Active Type: A: with CE ( active low type) B: with CE (active high type) D: with CE (active high with auto discharge function*) Designation of Taping Type: Ex. TR (refer to Taping Specifications; TR type is the standard direction.) Designation of composition of pin plating: -F: Lead free plating Contents R1115Z 3 ...

Page 4

... R1115Z PIN CONFIGURATION PIN DESCRIPTION • R1115Z Pin No. Symbol ABSOLUTE MAXIMUM RATING Symbol V Input Voltage IN V Input Voltage ( Pin Output Voltage OUT I Output Current OUT P Power Dissipation D Topt Operating Temperature Range Tstg Storage Temperature Range *) For Power Dissipation, please refer to PACKAGE INFORMATION to be described. ...

Page 5

... I OUT V >1.7V, OUT − 1. OUT < 10kHz (V 1.7V, OUT − 1.2V OUT = 30mA I OUT − 40 ° C < = opt < ° OUT BW = 10Hz to 100kHz R1115Z Topt=25°C Min. Typ. Max. Unit × 0.98 × 1.02 V 150 0.38 0.70 0.36 0.65 0.34 0.60 V 0.32 0.55 0.28 0.50 0.22 0.35 µ µ A 0.1 1.0 0.02 ...

Page 6

... R1115Z • R1115Zxx1B/D Symbol Item V Output Voltage OUT I Output Current OUT ∆ ∆ I Load Regulation OUT OUT V Dropout Voltage DIF I Supply Current SS I Standby Current standby ∆ ∆ V Line Regulation OUT IN RR Ripple Rejection V Input Voltage IN ∆ Output Voltage OUT ∆ T ...

Page 7

... Set external components, especially the output capacitor C2, as close as possible to the ICs, and make wiring as short as possible. V OUT recommendation value 1.0 µ more 0.47 µ more R1115Z OUT R1115Zxx1B/D C2 Series CE GND and GND pin, and as DD OUT 7 ...

Page 8

... OUT R1115Zxx1B/D C1 Series CE GND Fig.1 Standard test Circuit OUT R1115Zxx1B/D C1 Series CE GND Fig.2 Supply Current Test Circuit OUT R1115Zxx1B/D Series CE GND OUT OUT C1=Ceramic 1.0 µ F C2=Ceramic 1.0 µ OUT C2 C1=Ceramic 1.0 µ F C2=Ceramic 1.0 µ OUT C2=Ceramic 1.0 µ F ...

Page 9

... OUT R1115Zxx1B/D C1 Series CE GND Fig.4 Load Transient Response Test Circuit V OUT OUTa OUTb C1=Ceramic 1.0 µ F C2=Ceramic 1.0 µ F R1115Z 9 ...

Page 10

... R1115Z151x 1.7 1.6 1.5 1.4 1.3 1.2 1.1 1 Input Voltage =3.5V IN 2.5V 2.0V 200 300 400 (mA) OUT 4.3V 4.5V 200 300 400 (mA) OUT I =1mA OUT I =30mA OUT I =50mA OUT (V) IN R1115Z281x 3.0 2.5 V =4.8V IN 2.0 1.5 3.1V 1.0 3.8V 3.5V 0.5 0.0 0 100 200 300 Output Current I (mA) OUT R1115Z281x 2.9 2.8 2.7 2.6 2.5 2.4 I =1mA OUT 2.3 I =30mA OUT 2.2 I =50mA OUT 2.1 2 Input Voltage V ...

Page 11

... Input Voltage V R1115Z401x Input Voltage ( ( (V) IN R1115Z281x Input Voltage V (V) IN R1115Z 6 11 ...

Page 12

... Temperature Topt( C) R1115Z401x 4.08 4.06 4.04 4.02 4.00 3.98 3.96 3.94 3.92 -40 -15 10 Temperature Topt Supply Current vs. Temperature R1115Z151x -40 -15 10 Temperature Topt 2.86 2.84 2.82 2.80 2.78 2.76 2. R1115Z281x -40 - Temperature Topt( C) R1115Z281x 0 -40 - Temperature Topt ...

Page 13

... Output Current 0.6 0.5 0.4 0.3 0.2 0.1 0.0 100 125 150 (mA) OUT 0.6 0.5 0.4 0.3 0.2 0.1 0.0 100 125 150 (mA) OUT R1115Z161x - 100 125 Output Current I (mA) OUT R1115Z181x - 100 125 Output Current I (mA) OUT R1115Z 150 150 13 ...

Page 14

... Output Current I 7) Dropout Voltage vs. Set Output Voltage (Topt = 25 ° C) 0.60 0.50 0.40 0.30 0.20 0.10 0.00 1.0 1.5 2.0 Set Output Voltage 100 125 150 (mA) OUT 75 100 125 150 (mA) OUT 10mA 30mA 50mA 150mA 2.5 3.0 3.5 4.0 (V) REG R1115Z281x 0. 0. 0.30 -40 C 0.25 0.20 0.15 0.10 0.05 0. 100 125 Output Current I (mA) OUT 150 ...

Page 15

... IN = ceramic 0.47 µ F) R1115Z281x Ripple 0.5Vp-p, I =1mA OUT f=1kHz f=10kHz f=100kHz 2.9 3.0 3.1 3.2 Input Voltage V (V) IN R1115Z281x Ripple 0.5Vp-p, I =30mA OUT f=1kHz f=10kHz f=100kHz 2.9 3.0 3.1 3.2 Input Voltage V (V) IN R1115Z281x Ripple 0.5Vp-p, I =50mA OUT f=1kHz f=10kHz f=100kHz 2.9 3.0 3.1 3.2 Input Voltage V (V) IN R1115Z 3.3 3.3 3.3 15 ...

Page 16

... R1115Z151x V =2.5V +0.5Vp- =Ceramic 2.2 F OUT =1mA OUT 30 I =30mA OUT 20 I =50mA OUT Frequency f(kHz) R1115Z281x V =3.8V +0.5Vp- =Ceramic 1.0 F OUT =1mA OUT 30 I =30mA OUT 20 I =50mA OUT Frequency f(kHz) R1115Z401x V =5 ...

Page 17

... Ceramic 1.0 µ R1115Z151x Time Ceramic 0.47 µ F) OUT 4 3 Input Voltage Output Voltage 100 6 5 Input Voltage Output Voltage 100 =2.5V, C =Ceramic 1 OUT 150 100 Output Current 50 0 Output Voltage R1115Z 17 ...

Page 18

... R1115Z151x V =2.5V Time T( s) R1115Z281x V =3.8V Time T( s) R1115Z281x V =3.8V Time T( s) =Ceramic 2.2 F OUT 150 100 Output Current 50 0 Output Voltage =Ceramic 0.47 F OUT 150 100 Output Current 50 0 Output Voltage ...

Page 19

... Turn-on/off speed with CE pin (D version) R1115Z151D ( Time T( s) R1115Z281D ( Time T( s) R1115Z281x Time T( s) =2.5V, C =Ceramic 1.0µ 0mA OUT 30mA OUT I = 150mA ...

Page 20

... R1115Z R1115Z401D ( OUT I OUT 0 I OUT - Time =5.0V, C =Ceramic 0.47µ 0mA = 30mA 6 = 150mA =Ceramic 0.47µF) OUT 0mA OUT I = 30mA OUT 150mA OUT 100 120 140 160 180 ...

Page 21

... Ceramic Cap Measuring Circuit for white noise; R1115Zxx1B/D The relations between I (Output Current) and ESR of an output capacitor are shown below. The conditions OUT when the white noise level is under 40 µ V (Avg.) are marked as the hatched area in the graph. ...

Page 22

... R1115Z R1115Z211x 100 10 1 0.1 0. Load Current =Ceramic 0. =Ceramic 0.47 F OUT 100 0.1 0.01 90 120 150 (mA) OUT R1115Z281x C =Ceramic 0. =Ceramic 0.47 F OUT 120 Load Current I (mA) OUT 150 ...

Page 23

PACKAGE INFORMATION • WLCSP-4-P4 PACKAGE DIMENSIONS A × 4 0.05 INDEX S 0.05 S TAPING SPECIFICATION TAPING REEL DIMENSIONS REUSE REEL (EIAJ-RRM-08Bc) (1reel=3000pcs) 0. 0.05 S 0.235 Bottom View 4.0±0.1 1.5 +0.1 0 0.18±0.1 1.06 0.5±0.1 Dummy Pocket ...

Page 24

PACKAGE INFORMATION POWER DISSIPATION (WLCSP-4-P4) This specification is at mounted on board. Power Dissipation (P This specification is based on the measurement at the condition below: Measurement Conditions Environment Board Material Board Dimensions Copper Ratio Through-hole Measurement Result Power Dissipation ...

Page 25

PACKAGE INFORMATION RECOMMENDED LAND PATTERN (WLCSP) NSMD NSMD Pad definition NSMD (Non-Solder Mask defined) SMD (Solder Mask defined) * Pad layout and size can be modified by customers material, equipment, method. * Please adjust pad layout according to your conditions. ...

Page 26

... MARK INFORMATION R1115Z SERIES MARK SPECIFICATION • WLCSP-4- Lot Number 2 ME-R1115Z-0608 ...

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