UNISONIC TECHNOLOGIES CO., LTD

Transcription

1 UNISONIC TECHNOLOGIES CO., LTD 2A OUTPUT TYPE LOW POWER-LOSS VOLTAGE REGULATOR FEATURES * 2.A output type * Output voltage precision: ±2.5% * Built-in ON/OFF control function and over-current protection circuit. * Thermal shutdown protection. 1 TO-252 ORDERING INFORMATION Ordering Number Pin Assignment Package Lead Free Halogen Free Packing L-TN3-D-T G-TN3-D-T TO-252 I G O Tube L-TN3-D-R G-TN3-D-R TO-252 I G O Tape Reel Note: Pin Assignment: I: INPUT G: GND O: OUTPUT 1 of 6 Copyright 214 Unisonic Technologies Co., Ltd

2 MARKING INFORMATION PACKAGE VOLTAGE CODE MARKING TO : 3.3V 12 :12V BLOCK DIAGRAM UNISONIC TECHNOLOGIES CO., LTD 2 of 6

3 ABSOLUTE MAXIMUM RATINGS (T A =25 C, unless otherwise specified.) PARAMETER SYMBOL RATINGS UNIT Input Voltage(Note1) V IN 2 V Output Current I OUT 2. A Power Dissipation P D.7 W Junction Temperature (Note2) T J 15 C Operating Temperature T OPR -4 ~ +85 C Storage Temperature T STG -4 ~ +15 C Note 1: All are open except GND and applicable terminals. Note 2: Overheat protection may operate at 125 T J 15 C THERMAL CHARACTERISTICS PARAMETER SYMBOL RATING UNIT Junction to Ambient θ JA 112 C/W ELECTRICAL CHARACTERISTICS (Refer to the test circuits, unless otherwise specified, T A =25 C) For UR332(3.3V) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Output Voltage V OUT V IN =5.3V, I OUT =1A V Line Regulation V OUT V IN =4.3~1.3V, I OUT =5mA % Load Regulation V OUT V IN =5.3V, I OUT =5mA~2.A.5 2. % Temperature Coefficient of Output Voltage T C V O T J =~125 C, I OUT =5mA ±.2 %/ C Ripple Rejection RR Refer to Fig db Dropout Voltage V D I OUT =2A (Note 1).7 V Quiescent Current I Q I OUT =A, V IN =5.3V 1 ma For UR122(12V) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Output Voltage V OUT V IN =14V, I OUT =1A V Line Regulation V OUT V IN =13~19V, I OUT =5mA % Load Regulation V OUT V IN =14V, I OUT =5mA~2.A.5 2. % Temperature Coefficient of Output Voltage T C V O T J =~125 C, I OUT =5mA ±.2 %/ C Ripple Rejection RR Refer to Fig db Dropout Voltage V D I OUT =2A (Note 1).7 V Quiescent Current I Q I OUT =A, V IN =14V 1 ma Note: Input voltage shall be the value when output voltage is 95% in comparison with the initial value. UNISONIC TECHNOLOGIES CO., LTD 3 of 6

4 TEST CIRCUITS Fig ei I O V IN.33μF 2 47μF + R L V eo VIN=14V(UR122) VIN=5.5V(UR332) f=12hz ei=.5vrms Io=.5A RR=2log (ei/eo) Fig.2 For Ripple Rejection TYPICAL APPLICATION UNISONIC TECHNOLOGIES CO., LTD 4 of 6

5 TYPICAL CHARACTERISTICS Output voltage deviation, Vo (mv) Fig.3 Output Voltage Deviation vs.junction Temperature (UR122) VIN=18V Io=.5A Junction temperature, TJ ( C) Output voltage, Vo (V) Fig.4 Output Voltage vs.input Voltage (UR122) RL= Ω RL=12Ω RL=6Ω Input voltage, VIN (V) Fig.5 Circuit Operating Current vs.input Voltage (UR122) Fig.6 Dropout Voltage vs.junction Temperature (UR122) 8.5 Circuit operating current, IBIAS (ma) RL=6Ω RL=12Ω RL= Ω Input voltage, VIN (V) Dropout voltage, Vi-o (V) Junction temperature, TJ ( C) 125 UNISONIC TECHNOLOGIES CO., LTD 5 of 6

6 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 6 of 6