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BU11UC3WG-TL Dataheets PDF



Part Number BU11UC3WG-TL
Manufacturers Rohm
Logo Rohm
Description FULL CMOS LDO Regulator
Datasheet BU11UC3WG-TL DatasheetBU11UC3WG-TL Datasheet (PDF)

Datasheet CMOS LDO Regulator Series for Portable Equipments Versatile Package FULL CMOS LDO Regulator BUxxUC3WG series ●General Description BUxxUC3WG series is high-performance FULL CMOS regulator with 300-mA output, which is mounted on versatile package SSOP5 (2.9 mm × 2.8 mm × 1.25 mm). It has excellent noise characteristics and load responsiveness characteristics despite its low circuit current consumption of 50μA. It is most appropriate for various applications such as power supplies for l.

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Datasheet CMOS LDO Regulator Series for Portable Equipments Versatile Package FULL CMOS LDO Regulator BUxxUC3WG series ●General Description BUxxUC3WG series is high-performance FULL CMOS regulator with 300-mA output, which is mounted on versatile package SSOP5 (2.9 mm × 2.8 mm × 1.25 mm). It has excellent noise characteristics and load responsiveness characteristics despite its low circuit current consumption of 50μA. It is most appropriate for various applications such as power supplies for logic IC, RF, and camera modules ROHM’s. ●Features „ High accuracy detection „ low current consumption „ Compatible with small ceramic capacitor (Cin=Co=1.0uF) „ With built-in output discharge circuit „ High ripple rejection „ ON/OFF control of output voltage „ With built-in over current protection circuit and thermal shutdown circuit „ Package SSOP5 is similar to SOT-23-5 (JEDEC) „ Low dropout voltage ●Key Specifications „ Output voltage: „ Accuracy output voltage: „ Low current consumption: „ Operating temperature range: 1.0V to 4.0V ±1.0% (±25mV) 50μA -40°C to +85°C ●Applications Battery-powered portable equipment, etc. ●Package SSOP5: 2.90mm x 2.80mm x 1.25mm ●Typical Application Circuit STBY VIN STBY VIN VOUT VOUT GND GND GND Figure 1. Application Circuit ○Product structure:Silicon monolithic integrated circuit www.rohm.com © 2013 ROHM Co., Ltd. All rights reserved. TSZ22111・14・001 ○This product is not designed for protection against radioactive rays 1/23 TSZ02201-0RBR0A300110-1-2 02.Jul.2013 Rev.002 BUxxUC3WG series ●Connection Diagram SSOP5 VOUT N.C. Datasheet Marking Lot. No VIN GND STBY TOP VIEW ●Pin Descriptions PIN No. 1 2 3 4 5 Symbol VIN GND STBY N.C. VOUT SSOP5 Function Power Supply Voltage Grounding ON/OFF control of output voltage (High: ON, Low: OFF) Unconnected Terminal Output Voltage ●Ordering Information B U x x U C3 W G - x x Part Number SSOP5 Output Voltage 10 : 1.0V 40 : 4.0V Low Dropout Voltage Maximum Output Current 300mA with switch Package G : SSOP5 2.9±0.2 54 4° +6° −4° Packageing and forming specification Embossed tape and reel TR : The pin number 1 is the upper right TL : The pin number 1 is the lower left +0.2 −0.1 2.8±0.2 1.6 0.2Min. 1.25Max. 1.1±0.05 0.05±0.05 123 0.13 +0.05 −0.03 +0.05 0.42 −0.04 0.95 0.1 (Unit : mm) www.rohm.com © 2013 ROHM Co., Ltd. All rights reserved. TSZ22111・15・001 2/23 TSZ02201-0RBR0A300110-1-2 02.Jul.2013 Rev.002 BUxxUC3WG series Datasheet ●Lineup Marking Output Voltage Part Number Q0 1.0V BU10 Q7 1.5V BU15 TBD(*) 1.55V BU1F Q1 1.05V BU1A Q2 1.1V BU11 Q3 1.15V BU1B Q4 1.2V BU12 TBD(*) 1.6V BU16 TBD(*) 1.65V BU1G TBD(*) 1.7V BU17 TBD(*) 1.75V BU1H Q5 1.25V BU1C Q8 1.8V BU18 Q6 1.3V BU13 TBD(*) 1.35V BU1D TBD(*) 1.4V BU14 TBD(*) 1.45V BU1E Q9 1.85V BU1J R0 1.9V BU19 TBD(*) 1.95V BU1K R1 2.0V BU20 R2 2.05V BU2A R7 2.6V BU26 R3 2.1V BU21 TBD(*) 2.65V BU2G TBD(*) 2.15V BU2B R8 2.7V BU27 R4 2.2V BU22 R9 2.75V BU2H TBD(*) 2.25V BU2C Y0 2.8V BU28 R5 2.3V BU23 Y1 2.85V BU2J TBD(*) 2.35V BU2D Y2 2.9V BU29 TBD(*) 2.4V BU24 Y3 2.95V BU2K TBD(*) 2.45V BU2E Y4 3.0V BU30 R6 2.5V BU25 TBD(*) 3.05V BU3A TBD(*) 2.55V BU2F Y5 3.1V BU31 TBD(*) 3.15V BU3B Y9 3.7V BU37 Y6 3.2V BU32 TBD(*) 3.75V BU3H TBD(*) 3.25V BU3C TBD(*) 3.8V BU38 Y7 3.3V BU33 TBD(*) 3.35V BU3D TBD(*) 3.85V BU3J TBD(*) 3.9V BU39 Y8 3.4V BU34 TBD(*) 3.95V BU3K TBD(*) 3.45V BU3E TBD(*) 3.5V BU35 TBD(*) 3.55V BU3F TBD(*) 3.6V BU36 TBD(*) 4.0V BU40 (*)Under development TBD(*) 3.65V BU3G ●Absolute Maximum Ratings (Ta=25°C) PARAMETER Power Supply Voltage Power Dissipation Maximum junction temperature Operating Temperature Range Storage Temperature Range Symbol VMAX Pd TjMAX Topr Tstg Limit -0.3 ~ +6.0 540(*1) +125 -40 ~ +85 -55 ~ +125 Unit V mW ℃ ℃ ℃ (*1)Pd deleted at 5.4mW/℃ at temperatures above Ta=25℃, mounted on 70×70×1.6 mm glass-epoxy PCB. ●RECOMMENDED OPERATING RANGE (not to exceed Pd) PARAMETER Symbol Limit Power Supply Voltage VIN 1.7~5.5 Maximum Output Current IMAX 300 Unit V mA ●OPERATING CONDITIONS PARAMETER Symbol MIN. TYP. MAX. Unit CONDITION Input Capacitor Cin 0.47(*2) Output Capacitor Co 0.47(*2) 1.0 1.0 - μF Ceramic capacitor - μF recommended (*2)Make sure that the output capacitor value is not kept lower than this specified level across a variety of temperature, DC bias, changing as time progresses characteristic. www.rohm.com © 2013 ROHM Co., Ltd. All rights reserved. TSZ22111・15・001 3/23 TSZ02201-0RBR0A300110-1-2 02.Jul.2013 Rev.002 BUxxUC3WG series Datasheet ●Electrical Characteristics (Ta=25℃, VIN=VOUT+1.0V (*3), STBY=VIN, Cin=1.0μF, Co=1.0μF, unless otherwise noted.) PARAMETER Overall Device Symbol MIN. Limit TYP. MAX. Unit Conditions Output Voltage VOUT VOUT×0.99 VOUT×1.01 VOUT VOUT-25mV VOUT+25mV V IOUT=10μA,VOUT≧2.5V IOUT=10μA,VOUT<2.5V Operating Current Operating Current (STBY) Ripple Rejection Ratio IIN ISTBY RR 45 - 50 90 μA IOUT=0mA - 1..


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