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| UTC UR132 LINEAR INTEGRATED CIRCUIT 200mA LOW DROPOUT LINEAR VOLTAGE REGULATOR DESCRIPTION The UTC UR132 is a 200mA fixed output voltage low dropout linear regulator. Wide range of available output voltage fits most of applications. Built-in output current-limiting most thermal-limiting provide maximal protection against any fault conditions. 1 2 3 SOT-23 FEATURES *Guaranteed 200mA output current *Input voltage range up to 12V *Extremely tight load regulation *Fast transient response *Current-limiting and Thermal-limiting *Three-terminal adjustable or fixed voltage. 3 2 1 4 5 SOT-25 APPLICATIONS *Voltage regulator for LAN Card, CD-ROM, and DVD *Wireless communication systems SOT-23 : SOT-25 : 1: VOUT 2: GND 3: VIN 1: VIN 2: GND 3: NC 4: NC 5: VOUT PIN DESCRIPTION NAME VOUT GND VIN FUNCTION Output Ground/Adjustable Positive Power Input Function Block Diagram UTC UNISONIC TECHNOLOGIES CO., LTD. 1 QW-R102-007,E UTC UR132 PARAMETER LINEAR INTEGRATED CIRCUIT MIN. -0.3 -40 -65 ABSOLUTE MAXIMUM RATINGS TYP. MAX. 12 125 150 0.3 UNIT V C C W Input Voltage Vin Operating Junction Temperature Range Storage Temperature Range Power Dissipation UTC UR132- Vo<3.3V (Vo2%) ELECTRICAL CHARACTERISTICS (Ta=25C, CIN=1F, COUT=10F, unless otherwise specified) PARAMETER Output Voltage Output Voltage Temperature Coefficient Line Regulation Load Regulation (note 2) Current Limit (note 3) Dropout Voltage (note 4,5) Standby current TEST CONDITIONS IL=2mA, VIN-VOUT=2V MIN Vox0.98 TYP. Vo 50 10 MAX Vox1.02 150 0.5 30 1.5 UNITS V PPM/C %VOUT mV mA V mA IL=2mA, VIN-Vout=2V~Vin=9V IL=2mA~200mA, VIN-Vout =2V VIN-Vout=2V, VOUT=0V IL=0, VIN=9V 300 3.0 UTC UR132- ADJ / Vo3.3V (Vo2%) ELECTRICAL CHARACTERISTICS (Ta=25C, CIN=1F, COUT=10F, unless otherwise specified) PARAMETER TEST CONDITIONS MIN TYP. MAX UNITS Output Voltage IL=2mA, VIN-VOUT=2V Vo V Vox0.98 Vox1.02 Adjustable (R1=120,R2=200,Vout=3.3V) Reference Voltage Vin-Vo=2V, IL=2mA 1.238 1.250 1.262 V Output Voltage Temperature 50 150 PPM/C Coefficient Line Regulation IL=2mA, VIN-Vout=2V~Vin=12V 0.5 %VOUT Load Regulation (note 2) IL=2mA~200mA, VIN-Vout =2V 10 30 mV Current Limit (note 3) VIN-Vout=2V, VOUT=0V 300 mA Dropout Voltage (note 4,5) 1.3 V Standby current IL=0, VIN=12V 5.0 mA Note 1: Guaranteed by design. Note 2: Regulation is measured at constant junction temperature, using pulsed ON time. Note 3: Current Limit is measured at constant junction temperature, using pulsed ON time. Note 4: Dropout is measured at constant junction temperature, using pulsed ON time, and the criterion is VOUT inside target value2%. Note 5: Dropout test is skipped at the condition of VIN<3V. UTC UNISONIC TECHNOLOGIES CO., LTD. 2 QW-R102-007,E UTC UR132 LINEAR INTEGRATED CIRCUIT TYPICAL APPLICATION CIRCUIT UTC UR132 APPLICATION INFORMATION A 10F (or larger) capacitor is recommended between VOUT and GND for stability. The part may oscillate without the capacitor. Any type of capacitor can be used, but not Aluminum electrolytics when operating below -25C. The capacitance may be increased without limit. A 1F capacitor (or larger) should be placed between VIN to GND. UR132 ADJUSTABLE VIN VIN UTC UR132 VOUT VOUT + 1uF IADJ R2 Cr ADJ VREF R1 + 10uF + 10uF Cr:10uF to improve ripple rejection VOUT=VREF(1+R2/R1)+IADJ*R2 UTC UNISONIC TECHNOLOGIES CO., LTD. 3 QW-R102-007,E UTC UR132 LINEAR INTEGRATED CIRCUIT UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. UTC UNISONIC TECHNOLOGIES CO., LTD. 4 QW-R102-007,E This datasheet has been downloaded from: www..com Datasheets for electronic components. |
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