r1163k281e5 RICOH Co.,Ltd., r1163k281e5 Datasheet

r1163k281e5

Manufacturer Part Number

r1163k281e5

Description

3-mode 150ma Ldo Regulator With The Reverse Current Protection

Manufacturer

RICOH Co.,Ltd.

Datasheet

1.R1163K281E5.pdf (36 pages)

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OUTLINE

supply current. These ICs perform with the chip enable function and realize a standby mode with ultra low supply

current. To prevent the destruction by over current, the current limit circuit is included. The R1163x Series have

3-mode. One is standby mode with CE or standby control pin. Other two modes are realized with ECO pin™.

Fast Transient Mode (FT mode) and Low Power Mode (LP mode) are alternative with ECO pin™. Consumption

current is reduced at Low Power Mode compared with Fast Transient Mode. The output voltage is maintained

between FT mode and LP mode.

the output pin, the reverse current to V

mounting of the ICs on boards is possible.

FEATURES

APPLICATIONS

3-MODE 150mA LDO REGULATOR with the Reverse Current Protection

The R1163x Series consist of CMOS-based voltage regulator ICs with high output voltage accuracy and low

Further, the reverse current protection circuit is built-in. Therefore, if a higher voltage than V

Since the packages for these ICs are SOT-23-5, SON-6, and DFN(PLP)1616-6 packages, high density

• Supply Current ..................................................Typ. 6.0µA (Low Power Mode),

• Standby Mode ...................................................Typ. 0.6µA

• Reverse Current................................................Max. 0.1µA

• Dropout Voltage ................................................Typ. 0.25V (I

• Ripple Rejection................................................Typ. 70dB (f=1kHz, FT Mode)

• Temperature-Drift Coefficient of Output Voltage Typ. ±100ppm/°C

• Line Regulation .................................................Typ. 0.02%/V (FT Mode)

• Output Voltage Accuracy...................................±1.5% (±2.5% at LP Mode)

• Package ..........................................................SOT-23-5, SON-6, DFN(PLP)1616-6

• Output Voltage ..................................................Stepwise setting with a step of 0.1V

• Input Voltage Range ........................................ 2.0V to 6.0V

• Built-in fold-back protection circuit ....................Typ. 40mA (Current at short mode)

• Performs with Ceramic Capacitors ...................C

• Precision Voltage References.

• Power source for electrical appliances such as cameras, VCRs and hand-held communication equipment.

• Power source for battery-powered equipment.

pin is very small (Max. 0.1µA) , so it is suitable for backup circuit.

Typ. 70µA (Fast Transient Mode)

in the range of 1.5V to 4.0V is possible

=1.0µF, C

R1163x SERIES

OUT

=Ceramic 0.47µF

=150mA, Output Voltage=3.0V Type)

NO.EA-118-071227

pin is forced to

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r1163k281e5 Summary of contents

Page 1

LDO REGULATOR with the Reverse Current Protection OUTLINE The R1163x Series consist of CMOS-based voltage regulator ICs with high output voltage accuracy and low supply current. These ICs perform with the chip enable function and realize a standby ...

Page 2

R1163x BLOCK DIAGRAM R1163xxx1B V DD Vref Current Limit Reverse Detector CE R1163xxx1E V DD Vref Current Limit Reverse Detector CE 2 ECO OUT CE GND ECO V OUT GND R1163xxx1D ECO V OUT Vref Current Limit ...

Page 3

SELECTION GUIDE The output voltage, the auto-discharge function*, the package and the taping type for the ICs can be selected at the user's request. The selection can be available by designating the part number as shown below; R1163xxx1x-xx-x ↑ ↑ ...

Page 4

R1163x PIN CONFIGURATIONS SOT-23-5 Top View 5 4 (mark side PIN DISCRIPTIONS • SOT-23-5 Pin No Symbol 1 V Input Pin DD 2 GND Ground Pin 3 CE Chip Enable Pin 4 ECO MODE alternative pin 5 ...

Page 5

ABSOLUTE MAXIMUM RATINGS Symbol V Input Voltage IN V Input Voltage (ECO Pin) ECO V Input Voltage (CE Pin Output Voltage OUT I Output Current OUT Power Dissipation (SOT-23- Power Dissipation (SON- Power Dissipation ...

Page 6

R1163x ELECTRICAL CHARACTERISTICS R1163xxx1B/D Symbol Item V Output Voltage OUT Output Voltage Deviation ∆V OUT between FT Mode and LP Mode I Output Current OUT ∆V / OUT Load Regulation ∆I OUT V Dropout Voltage DIF I Supply Current (FT ...

Page 7

R1163xxx1E Symbol Item (FT Mode) V Output Voltage OUT (LP Mode) Output Voltage Deviation ∆V OUT between FT Mode and LP Mode I Output Current OUT (FT Mode) ∆V / OUT Load Regulation ∆I OUT (LP Mode) V Dropout Voltage ...

Page 8

R1163x ELECTRICAL CHARACTERISTICS by OUTPUT VOLTAGE Output Voltage V (V) OUT < = 1.5 V < 1.6 OUT < = 1.6 V < 1.7 OUT < = 1.7 V < 1.8 OUT < = 1.8 V < 2.0 OUT < ...

Page 9

TYPICAL CHARACTERISTICS Unless otherwise provided, capacitors are ceramic type. 1) Output Voltage vs. Output Current R1163x151x ECO=H 1.6 1.4 V =2V 1.2 IN 1.0 0.8 0.6 0.4 0.2 0.0 0 100 200 Output Current I R1163x281x ECO=H 3.0 2.5 V ...

Page 10

R1163x 2) Output Voltage vs. Input Voltage R1163x151x ECO=H 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 Input Voltage V R1163x28x ECO=H 3.0 2.5 2.0 1.5 1.0 0.5 0 Input Voltage V R1163x40x ...

Page 11

Supply Current vs. Input Voltage R1163x151x ECO Input Voltage V R1163x281x ECO Input ...

Page 12

R1163x 4) Output Voltage vs. Temperature R1163x151x ECO=H 1.53 1.52 1.51 1.50 1.49 1.48 1.47 1.46 -50 -25 0 Temperature Topt( C) R1163x281x ECO=H 2.83 2.82 2.81 2.80 2.79 2.78 2.77 2.76 -50 -25 0 Temperature Topt( C) R1163x401x ECO=H ...

Page 13

Supply Current vs. Temperature R1163x151x ECO -50 - Temperature Topt( C) R1163x281x ECO -50 - ...

Page 14

R1163x 6) Standby Current vs. Input Voltage 2.5 2.0 1.5 1.0 0.5 0 Input Voltage V 7) Reverse Current vs. Output Voltage 0.020 0.018 0.016 0.014 0.012 0.010 0.008 0.006 0.004 0.002 0.000 1.5 2.0 2.5 3.0 ...

Page 15

R1163x161x ECO=H 0.5 Topt=85 C Topt=25 C 0.4 Topt=-40 C 0.3 0.2 0.1 0 100 125 Output Current I (mA) OUT R1163x171x ECO=H 0.5 Topt=85 C Topt=25 C 0.4 Topt=-40 C 0.3 0.2 0.1 0.0 0 ...

Page 16

R1163x R1163x211x ECO=H 0.4 Topt=85 C Topt=25 C 0.3 Topt=-40 C 0.2 0.1 0 Output Current I R1163x281x ECO=H 0.30 Topt=85 C 0.25 Topt=25 C Topt=-40 C 0.20 0.15 0.10 0.05 0. Output Current ...

Page 17

Dropout Voltage vs. Set Output Voltage R1163x ECO=H 0.50 0.40 0.30 0.20 0.10 0.00 1.5 2.0 2.5 Set Output Voltage V 10) Ripple Rejection vs. Input Bias Voltage R1163x281x ECO=H C =none =1mA Ripple=0.2Vp-p OUT 90 ...

Page 18

R1163x R1163x281x ECO =50mA Ripple=0.2Vp-p OUT 2.9 3.0 Input Voltage V 11) Ripple Rejection vs. Frequency R1163x151x ECO ...

Page 19

R1163x401x ECO=H C =none 0.1 1 Frequency f(kHz) 12) Input Transient Response R1163x151x ECO=H C =none, C =0. OUT 1.58 1.56 Input Voltage 1.54 ...

Page 20

R1163x R1163x281x ECO=H C =none 5.0 4.5 Input Voltage 4.0 3.5 3.0 2.5 Output Voltage 2.0 0.0 0.1 0.2 0.3 0.4 0.5 Time t(ms) 13) Load Transient Response R1163x151x ECO=H V =2.5V 1.9 1.8 Output ...

Page 21

R1163x151x ECO=L V =2.5V =0. OUT 1.9 1.8 Output Current 1.7 1.6 1.5 1.4 Output Voltage 1.3 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 Time t(ms) R1163x281x ECO=H V =3.8V, C ...

Page 22

R1163x R1163x281x ECO=L V =3.8V 3.6 3.4 Output Current 3.2 3.0 2.8 2.6 Output Voltage 2.4 0.0 0.2 0.4 0.6 0.8 1.0 Time t(ms) 14) Turn on speed with CE pin R1163x151x ECO ...

Page 23

R1163x151x ECO =0. =150mA IN OUT OUT Input Voltage Output Voltage - Time t( ...

Page 24

R1163x R1163x281x ECO =0. OUT Input Voltage Output Voltage -6 -8 -10 -20 - Time t( s) R1163x401x ECO ...

Page 25

R1163x401x ECO =0. OUT Input Voltage Output Voltage -6 -8 -10 -12 -20 - Time t( s) 15) Turn off speed ...

Page 26

R1163x 16) Output Voltage at Mode alternative point R1163x151B/D V =2.5V OUT 1.52 1.50 1.48 1.52 1.50 1.48 1.52 1.50 1.48 1.52 1.50 1.48 1.52 1.50 1.48 -0.1 0.0 0.1 0.2 0.3 0.4 Time t(ms) 1.56 1.55 ...

Page 27

TECHNICAL NOTES When using these ICs, consider the following points: In these ICs, phase compensation is made for securing stable operation even if the load current is varied. For this purpose, be sure to use a capacitor C Resistance) in ...

Page 28

PACKAGE INFORMATION • SOT-23-5 (SC-74A) PACKAGE DIMENSIONS TAPING SPECIFICATION 2.0Max. TAPING REEL DIMENSIONS REUSE REEL (EIAJ-RRM-08Bc) (1reel=3000pcs) 2.9 0.2 1.9 0.2 (0.95) (0.95 0.4 0.1 +0.1 1.5 0 0.3–0.1 3.3 TR User Direction of Feed ...

Page 29

PACKAGE INFORMATION POWER DISSIPATION (SOT-23-5) This specification is at mounted on board. Power Dissipation (P This specification is based on the measurement at the condition below: (Power Dissipation (SOT-23-5) is substitution of SOT-23-6.) Measurement Conditions Environment Board Material Board Dimensions ...

Page 30

PACKAGE INFORMATION • SON-6 PACKAGE DIMENSIONS TAPING SPECIFICATION 1.7Max. TAPING REEL DIMENSIONS REUSE REEL (EIAJ-RRM-08Bc) (1reel=3000pcs) 1.6±0 Bottom View Attention: Tab suspension leads in the parts have V or GND level.(They are DD connected to the ...

Page 31

PACKAGE INFORMATION POWER DISSIPATION (SON-6) 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 32

PACKAGE INFORMATION • DFN(PLP)1616-6 PACKAGE DIMENSIONS A 4 0.05 INDEX S TAPING SPECIFICATION 1.2MAX. TAPING REEL DIMENSIONS (1reel=5000pcs) 0.10 0.05 0. 1.60 B Attention: Tabs or Tab suspension leads in the parts have V connected to the reverse ...

Page 33

PACKAGE INFORMATION POWER DISSIPATION (PLP(DFN)1616-6) This specification is at mounted on board. Power Dissipation (P This specification is based on the measurement at the condition below: (DFN(PLP)1616 reference value calculated from the DFN(PLP)1820-6 package.) Measurement Conditions Environment Board ...

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