UNISONIC TECHNOLOGIES CO., LTD URXX20 LINEAR INTEGRATED CIRCUIT 2A OUTPUT TYPE LOW POWER-LOSS VOLTAGE REGULATOR FEATURES 1 * 2.0A output type * Output voltage precision: ±2.5% * Built-in ON/OFF control function and over-current protection circuit. * Thermal shutdown protection. TO-252 ORDERING INFORMATION Ordering Number Lead Free Halogen Free URXX20L-TN3-D-T URXX20G-TN3-D-T URXX20L-TN3-D-R URXX20G-TN3-D-R Note: Pin Assignment: I: INPUT G: GND O: OUTPUT www.unisonic.com.tw Copyright © 2014 Unisonic Technologies Co., Ltd Package TO-252 TO-252 Pin Assignment 1 2 3 I G O I G O Packing Tube Tape Reel 1 of 6 QW-R102-052. B URXX20 LINEAR INTEGRATED CIRCUIT MARKING INFORMATION PACKAGE VOLTAGE CODE TO-252 33: 3.3V 12 :12V MARKING BLOCK DIAGRAM UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 6 QW-R102-052. B URXX20 LINEAR INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS (TA=25°C, unless otherwise specified.) PARAMETER SYMBOL Input Voltage(Note1) VIN Output Current IOUT Power Dissipation PD Junction Temperature (Note2) TJ Operating Temperature TOPR Storage Temperature TSTG Note 1: All are open except GND and applicable terminals. Note 2: Overheat protection may operate at 125≦TJ≦150C UNIT V A W °C °C °C THERMAL CHARACTERISTICS PARAMETER Junction to Ambient RATINGS 20 2.0 0.7 150 -40 ~ +85 -40 ~ +150 SYMBOL θJA RATING 112 UNIT °C/W ELECTRICAL CHARACTERISTICS (Refer to the test circuits, unless otherwise specified, TA=25°C) For UR3320(3.3V) PARAMETER Output Voltage Line Regulation Load Regulation Temperature Coefficient of Output Voltage Ripple Rejection Dropout Voltage Quiescent Current SYMBOL VOUT ∆VOUT ∆VOUT TCVO RR VD IQ TEST CONDITIONS VIN =5.3V, IOUT=1A VIN =4.3~10.3V, IOUT=5mA VIN =5.3V, IOUT=5mA~2.0A TJ=0~125°C, IOUT=5mA Refer to Fig.2 IOUT=2A (Note 1) IOUT=0A, VIN =5.3V MIN 3.218 45 TYP 3.3 0.5 0.5 ±0.02 55 MAX 3.382 2.5 2.0 0.7 10 For UR1220(12V) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX Output Voltage VOUT VIN =14V, IOUT=1A 11.7 12.0 12.3 Line Regulation ∆VOUT VIN =13~19V, IOUT=5mA 0.5 2.5 Load Regulation ∆VOUT VIN =14V, IOUT=5mA~2.0A 0.5 2.0 Temperature Coefficient of Output Voltage TCVO TJ=0~125°C, IOUT=5mA ±0.02 Ripple Rejection RR Refer to Fig.2 45 55 Dropout Voltage VD IOUT=2A (Note 1) 0.7 Quiescent Current IQ IOUT =0A, VIN =14V 10 Note: Input voltage shall be the value when output voltage is 95% in comparison with the initial value. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw UNIT V % % %/°C dB V mA UNIT V % % %/°C dB V mA 3 of 6 QW-R102-052. B URXX20 LINEAR INTEGRATED CIRCUIT TEST CIRCUITS Fig.1 1 + 3 IO ei 47μF 0.33μF + V eo 2 RL VIN VIN=14V(UR1220) VIN=5.5V(UR3320) f=120Hz ei=0.5Vrms Io=0.5A RR=20log (ei/eo) Fig.2 For Ripple Rejection TYPICAL APPLICATION UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 4 of 6 QW-R102-052. B URXX20 TYPICAL CHARACTERISTICS Fig.4 Output Voltage vs .Input Voltage (UR1220) 250 200 20 VIN=18V Io=0.5A Output voltage, Vo (V) Output voltage deviation, Vo (mV) Fig.3 Output Voltage Deviation vs .Junction Temperature (UR1220) 150 100 50 0 -50 -100 15 RL=∞Ω 10 RL=12Ω RL=6Ω 5 -150 -200 -25 0 25 50 75 100 0 125 0 5 10 15 20 25 Input voltage, VIN (V) Junction temperature, TJ (°C) Fig.6 Dropout Voltage vs .Junction Temperature (UR1220) Fig.5 Circuit Operating Current vs .Input Voltage (UR1220) 0.5 Dropout voltage, Vi-o (V) 80 Circuit operating current, IBIAS (mA) LINEAR INTEGRATED CIRCUIT 60 40 RL=6Ω 20 0.4 0.3 0.2 0.1 RL=12Ω 0 RL=∞Ω 0 5 10 15 20 0 25 Input voltage, VIN (V) UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw -25 0 25 50 75 100 125 Junction temperature, TJ (°C) 5 of 6 QW-R102-052. B URXX20 LINEAR INTEGRATED CIRCUIT TYPICAL CHARACTERISTICS(Cont.) 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 6 of 6 QW-R102-052. B