UNISONIC TECHNOLOGIES CO., LTD UR533 LINEAR INTEGRATED CIRCUIT 5A ADJUSTABLE/FIXED ULTRA LOW DROP-OUT LINEAR REGULATOR 1 TO-263-5 DESCRIPTION The UTC UR533 is ultra-low dropout regulators with 5A output current capability. This device has been optimized for low voltage applications including VTT bus termination, where transient response and minimum input voltage is critical. The UTC UR533 is ideal for low voltage microprocessor applications requiring a regulated output from 1.3V ~ 5.7V with a power input supply of 1.75V ~ 6.5V. Current limit ensures controlled short-circuit current. On-chip thermal limiting provides protection against any combination of overload and ambient temperature that would create excessive junction temperatures. 1 TO-252-5 1 TO-220-5 *Pb-free plating product number: UR533L FEATURES * Ultra Low dropout voltage * Remote sense operation * Fast transient response * Load regulation: 0.05% typical * 0.5% initial accuracy * On-chip thermal limiting ORDERING INFORMATION Order Number Normal Lead Free Plating UR533-xx-TQ5-R UR533L-xx-TQ5-R UR533-xx-TQ5-T UR533L-xx-TQ5-T UR533-xx-TN5-R UR533L-xx-TN5-R UR533-xx-TN5-T UR533L-xx-TN5-T UR533-xx-TA5-T UR533L-xx-TA5-T Package Packing TO-263-5 TO-263-5 TO-252-5 TO-252-5 TO-220-5 Tape Reel Tube Tape Reel Tube Tube Note: xx: Output Voltage, refer to Marking Information. UR533L-xx-TQ5-R (1)Packing Type (2)Package Type (3)Output Voltage Code (4)Lead Plating www.unisonic.com.tw Copyright © 2005 Unisonic Technologies Co., Ltd (1) R: Tape Reel, T:Tube (2) TQ5: TO-263-5, TN5: TO-252-5, TA5: TO-220-5 (3) xx: refer to Marking Information (4) L: Lead Free Plating, Blank: Pb/Sn 1 of 6 QW-R102-026,B UR533 LINEAR INTEGRATED CIRCUIT MARKING INFORMATION PACKAGE VOLTAGE CODE TO-220-5 TO-252-5 TO-263-5 15 :1.5V 25 :2.5V AD:ADJ MARKING UTC UR533 VOLTAGE CODE DATE CODE 1 23 45 PIN DESCRITIONS PIN NO 1 2 3 4 5 PIN NAME DESCRITION VSENSE Remote Voltage Sense. Adjust for UR533-ADJ, the output voltage determined by feedback voltage. ADJ/GND Ground for fixed output products(UR533-xx) VOUT Output Voltage. VCNTL Control Voltage. VIN Input Voltage. THERMAL DATA PARAMETER Thermal Resistance Junction-Case SYMBOL TO-220-5 TO-252-5 TO-263-5 θJC RATINGS 3 8 4 UNIT ℃/W BLOCK DIAGRAM 4 VCNTL, CONTROL 5 VIN, POWER 3 OUTPUT 1 SENSE 2 ADJ/GND Thermal Shutdown Current Limit VREF Voltage Loop Amplifier UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 6 QW-R102-026,B UR533 LINEAR INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS (Ta = 25℃) PARAMETER SYMBOL RATINGS UNIT Input Voltage VIN 7 V Control Voltage VCNTL 13.2 V Operating Junction Temperature TOPR 0 ~ +125 ℃ -65 ~ +150 Storage Temperature TSTG ℃ Note 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. ELECTRICAL CHARACTERISTICS(TC= 25℃, VOUT = VS, VADJ = 0V unless otherwise specified.) For UR533-AD(Adjustable) PARAMETER SYMBOL Reference Voltage VREF Output Voltage VOUT Line Regulation ∆VOUT Load Regulation ∆VOUT Dropout Voltage Current Limit Control Pin Current Adjust Pin Current Minimum Load Current VCNTL–VOUT VIN –VOUT ILIMIT ICTRL IADJ ILOAD Ripple Rejection RR Thermal Regulation Thermal Shutdown TEST CONDITIONS VIN = 2.0V, VCNTL = 2.75V,IOUT = 10mA 2.05V ≤ VIN ≤ 5.5V,2.7V ≤ VCNTL ≤12V, 10mA ≤ IOUT ≤ 5A 3V ≤ VIN ≤ 7V, 10mA ≤ IOUT ≤ 5A 1.75V ≤ VIN ≤ 5.5V, 2.5V ≤ VCNTL ≤ 12V, IOUT = 10mA VIN = 2.1V, VCNTL = 2.75V, 10mA ≤ IOUT ≤ 5A VIN = 2.05V, ∆VREF = 1%, IOUT = 5A VCNTL = 2.75V, ∆VREF = 1%,IOUT = 5A VIN = 2.05V, VCNTL = 2.75V VIN = 2.05V, VCNTL = 2.75V,IOUT = 10mA VIN = 2.05V, VCNTL = 2.75V VIN = 3.3V, VCNTL = 5V VIN = 3.75V, VCNTL = 3.75V, f = 120Hz, COUT = 22µF Tantalum, IOUT = 2.5A Ta = 25°C, 30ms pulse MIN TYP MAX UNIT 1.243 1.250 1.257 V TEST CONDITIONS 3V ≤ VIN ≤ 7V, 10mA ≤ IOUT ≤ 5A 5.1V ≤ VIN ≤ 7V, 10mA ≤ IOUT ≤ 5A 1.75V ≤ VIN ≤ 5.5V, 2.5V ≤ VCNTL ≤ 12V, IOUT = 10mA VIN = 2.1V, VCNTL = 2.75V, 10mA ≤ IOUT ≤ 5A VIN = 2.05V, ∆VREF = 1%, IOUT = 5A VCNTL = 2.75V, ∆VREF = 1%,IOUT = 5A VIN = 2.05V, VCNTL = 2.75V VIN = 2.05V, VCNTL = 2.75V,IOUT = 10mA VIN = 3.3V, VCNTL = 5V VIN = 3.75V, VCNTL = 3.75V, f = 120Hz, COUT = 22µF Tantalum, IOUT = 2.5A Ta = 25°C, 30ms pulse MIN 1.47 2.474 1.237 1.250 1.263 V VREF 1.5 5.7 V 1 3 mV 1 5 mV 1.05 0.4 1.18 0.5 2 50 5.0 6 120 10 V V A mA µA mA 5.2 80 dB 0.002 0.02 150 %/W ℃ For UR533-xx(Fixed) PARAMETER UR533-15 Output Voltage UR533-25 SYMBOL VOUT VOUT Line Regulation ∆VOUT Load Regulation ∆VOUT Dropout Voltage Dropout Voltage VCNTL–VOUT VIN –VOUT ILIMIT ICTRL ILOAD Current Limit Control Pin Current Minimum Load Current Ripple Rejection Thermal Regulation Thermal Shutdown RR UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw TYP 1.5 2.5 MAX UNIT 1.53 V 2.526 V 1 3 mV 1 5 mV 1.05 0.4 1.18 0.5 2 5.0 6 10 V V A mA mA 5.2 80 0.002 150 dB 0.02 %/W ℃ 3 of 6 QW-R102-026,B UR533 LINEAR INTEGRATED CIRCUIT TYPICAL APPLICATION CIRCUIT FOR ADJUSTABLE VERSION VCNTL VCNTL VSENSE UTC UR533-ADJ VIN C1 10μF VOUT ADJ VOUT VIN + VREF IADJ 50μA R1 + C2 22μF R2 VOUT = VREF (1+R2/R1) + IADJ (R2) Note : C2 is recommended to use 22µF solid tantalum or 100µF aluminum electrolytic for output stability. FOR FIXED OUTPUT VERSION VIN= 2.5V C1 10μF + VSENSE VIN UTC UR533-1.5 VOUT VCNTL= 3.3V C2 1μF VCNTL GND 1.5V at 5A + C3 100μF Note : C3 is recommended to use 22µF solid tantalum or 100µF aluminum electrolytic for output stability. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 4 of 6 QW-R102-026,B UR533 LINEAR INTEGRATED CIRCUIT TYPICAL PERFOMANCE CHARACTERISTICS Dropout Voltage vs Output Current Load Regulation vs Temperature 0.10 1.0 Output Voltage Deviation (%) Dropout Voltage (V) 0.9 0.8 0.7 0.6 Ta=0°C 0.5 0.4 Ta=25°C 0.3 Ta=125°C 0.2 0.1 0.0 0 -0.05 -0.10 -0.15 -0.20 0 1 2 3 4 ΔI=5A 0.05 5 0 25 Reference Voltage vs Temperature Short-Circuit Current (A) UR533-ADJ 1.260 1.255 1.250 1.245 1.240 1.235 1.230 1.225 25 0 50 75 100 125 150 175 Short-Circuit Current vs Temeperature 11 1.265 100 125 150 175 UR533-ADJ 9 7 5 3 0 25 50 75 100 125 150 175 Junction Temperature (°C) Junction Temperature (°C) Ripple Rejection vs Frequency 90 80 Ripple Rejections (dB) Output Voltage Deviation (%) 1.270 75 Junction Temperature (°C) Output Current (A) 1.275 50 70 60 50 40 30 20 (VIN— VOUT ) ≤ 3V 0.5V ≤ VRIPPLE ≤ 2V I OUT = 5A 10 0 10 100 1k 10k Frequency (HZ) 100k UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 5 of 6 QW-R102-026,B UR533 LINEAR INTEGRATED CIRCUIT UTC assumes no responsibility for equipm ent failures that result from using products at values that exceed, even mom entarily, rated values (such as m aximum ratings, operating condition ranges, or other param eters) 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 system s where m alfunction 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 inform ation presented in this docum ent 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-R102-026,B