UNISONIC TECHNOLOGIES CO., LTD UR132 LINEAR INTEGRATED CIRCUIT 200mA LOW DROPOUT LINEAR VOLTAGE REGULATOR 3 1 DESCRIPTION 2 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. SOT-23 3 FEATURES 2 1 5 * 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. 4 SOT-25 *Pb-free plating product number: UR132L ORDERING INFORMATION Order Number Normal Lead Free Plating UR132-xx-AE3-3-R UR132L-xx-AE3-3-R UR132-xx-AE3-5-R UR132L-xx-AE3-5-R UR132-xx-AF5-C-R UR132L-xx-AF5-C-R Package SOT-23 SOT-23 SOT-25 1 O G I Pin Assignment. 2 3 4 G I O I G N N 5 O Packing Tape Reel Tape Reel Tape Reel Note: Pin assignment: I:VIN O:VOUT G:GND N: No Connection xx: output voltage, refer to Marking Information UR132L-xx-AE3-3-R (1)Packing Type (2)Pin Assignment (3)Package Type (4)Output Voltage Code (5)Lead Plating www.unisonic.com.tw Copyright © 2005 Unisonic Technologies Co., Ltd (1) R: Tape Reel (2) refer to Pin Assignment (3) AE3: SOT-23, AF5: SOT-25 (4) xx: refer to Marking Information (5) L: Lead Free Plating, Blank: Pb/Sn 1 of 4 QW-R102-007,G UR132 LINEAR INTEGRATED CIRCUIT MARKING INFORMATION VOLTAGE CODE Pin Assignment PACKAGE 12:1.2V 15 :1.5V 18:1.8V 22:2.2V 2E:2.5V 26:2.6V 27:2.7V 28:2.8V 30:3.0V 33:3.3V 50:5.0V AD:ADJ SOT-23 SOT-25 MARKING OGI RXX GOI RXX5 IGNNO RXX BLOCK DIAGRAM VIN + VREF + Current Amp - 1.25V Themal Limit Current Limit VOUT For Fixed Voltage Device ADJ UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw GND 2 of 4 QW-R102-007,G UR132 LINEAR INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL RATING UNIT Input Voltage VIN -0.3~12 V Power Dissipation PD 300 mW Junction Temperature TJ +125 °C Operation Temperature TOPR -20~+125 °C Storage Temperature TSTG -40~+150 °C Note: 1.Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. 2.The device is guaranteed to meet performance specification within 0℃ ~ +70℃ operating temperature range and assured by design from -20℃ ~ +125℃. ELECTRICAL CHARACTERISTICS(Ta=25°C, CIN=1µF, COUT=10µF, unless otherwise specified) FOR VOUT<3.3V (VOUT±2%) PARAMETER Output Voltage Output Voltage Temperature Coefficient Line Regulation Load Regulation (note 2) Current Limit (note 3) Dropout Voltage (note 4,5) Standby current SYMBOL TEST CONDITIONS VOUT IL=2mA, VIN-VOUT=2V TCVO I =2mA, △VOUT L VIN-VOUT=2V~VIN=9V IL=2mA~200mA, △VOUT VIN-VOUT =2V IL VIN-VOUT=2V, VOUT=0V VD ISTN-BY IL=0, VIN=9V MIN TYP. MAX UNIT VOUT×0.98 VOUT VOUT×1.02 V 50 150 PPM/°C 10 0.5 %VOUT 30 mV 1.5 3.0 mA V mA 300 FOR ADJ and VOUT≧3.3V (VOUT±2%) PARAMETER SYMBOL TEST CONDITIONS MIN TYP. MAX UNIT Output Voltage VOUT IL=2mA, VIN-VOUT=2V VOUT×0.98 VOUT VOUT×1.02 V Adjustable (R1=120Ω,R2=200Ω,VOUT=3.3V) Reference Voltage VREF VIN-VOUT=2V, IL=2mA 1.238 1.250 1.262 V Output Voltage Temperature Coefficient TCVO 50 150 PPM/°C I =2mA, △VOUT L 0.5 %VOUT Line Regulation VIN-VOUT=2V~VIN=12V I =2mA~200mA, △VOUT L 10 30 mV Load Regulation (note 2) VIN-VOUT=2V Current Limit (note 3) IL VIN-VOUT=2V, VOUT=0V 300 mA Dropout Voltage (note 4,5) VD 1.3 V Standby current ISTN-BY 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 value±2%. Note 5: Dropout test is skipped at the condition of VIN<3V. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 of 4 QW-R102-007,G UR132 LINEAR INTEGRATED CIRCUIT TYPICAL APPLICATION CIRCUIT VIN VOUT UTC UR132 VIN VOUT + 1μF CIN + 10μF COUT GND The part may oscillate without the capacitor, a 10µF (or larger) capacitor is recommended between VOUT and GND for stability. Any type of capacitor can be used, but not Aluminum electrolytic when operating below -20°C. The capacitance may be increased without limit. Besides, another 1µF capacitor (or larger) should be placed between VIN to GND. UR132 ADJUSTABLE UTC UR132 VIN VIN VOUT VOUT + + 1uF ADJ VREF R1 10uF IADJ + R2 Cr 10uF Cr:10uF to improve ripple rejection VOUT=VREF(1+R2/R1)+IADJ*R2 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. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 4 of 4 QW-R102-007,G