UNISONIC TECHNOLOGIES CO., LTD
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1 UNISONIC TECHNOLOGIES CO., LTD 1.5A ADJUSTABLE/FIXED LOW DROPOUT LINEAR REGULATOR DESCRIPTION The UTC UZ186 and UZ V, 1.8V, 2.5V, 2.85V, 3.3V and 5V are low dropout three-terminal regulators with 1.5A output current capability. These devices have been optimized for low voltage where transient response and minimum input voltage are critical. The 2.85V version is designed specifically to be used in Active Terminators for SCSI bus. Current limit is trimmed to ensure specified output current and controlled short-circuit current. On-chip thermal limiting provides protection against any combination of overload and ambient temperatures that would create excessive junction temperatures. Unlike PNP type regulators where up to 1% of the output current is wasted as quiescent current, the quiescent current of the UZ186 flows into the load, increasing efficiency. FEATURES * Low dropout voltage * Load regulation:.5% typical * Trimmed current limit * On-chip thermal limiting * Three-terminal adjustable or fixed 1.2V, 1.8V, 2.5V, 2.85V, 3.3V, 5V ORDERING INFORMATION Ordering Number Pin Assignment Package Lead Free Halogen-Free Packing UZ186L-xx-AA3-R UZ186G-xx-AA3-R SOT-223 A/G O I Tape Reel UZ186L-xx-TA3-T UZ186G-xx-TA3-T TO-22 A/G O I Tube UZ186L-xx-TN3-R UZ186G-xx-TN3-R TO-252 A/G O I Tape Reel UZ186L-xx-TN3-T UZ186G-xx-TN3-T TO-252 A/G O I Tube UZ186L-xx-TQ2-R UZ186G-xx-TQ2-R TO-263 A/G O I Tape Reel UZ186L-xx-TQ2-T UZ186G-xx-TQ2-T TO-263 A/G O I Tube UZ186L-xx-TQ3-R UZ186G-xx-TQ3-R TO A/G O I Tape Reel UZ186L-xx-TQ3-T UZ186G-xx-TQ3-T TO A/G O I Tube Note: 1. xx: Output Voltage, refer to Marking Information. 2. A: ADJ (for adjustable regulator), G: GND (for fixed regulator) 1 of 7 Copyright 213 Unisonic Technologies Co., Ltd
2 MARKING INFORMATION PACKAGE VOLTAGE CODE MARKING TO-22 TO-252 TO-263 TO SOT :1.2V 18 :1.8V 25 :2.5V 2J :2.85V 33 :3.3V 5 :5.V AD :ADJ LOT Code Voltage Code UTC UZ186 XX L: Lead Free G: Halogen Free Date Code UNISONIC TECHNOLOGIES CO., LTD 2 of 7
3 ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL RATINGS UNIT Input Voltage V IN 7.5 V Junction Temperature T J +125 C Operating Temperature T OPR -4 ~ +85 C Storage Temperature T STG -4 ~ +15 C 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. THERMAL DATA PARAMETER SYMBOL RATINGS UNIT TO C/W TO-22 4 C/W Junction to Case θ JC TO C/W SOT C/W ELECTRICAL CHARACTERISTICS (V IN 7V, T J =25 C, unless otherwise specified.) For UZ V PARAMETER SYMBOL TEST CONDITIONS MIN. TYP. MAX. UNIT Output Voltage V OUT * 1mA I OUT 1A 2.8V V IN 7V V Line Regulation (Note1,2) V OUT * (V OUT +1.6V) V IN 7V,I OUT =1mA.5.2 % Load Regulation (Note1,2) V OUT * V IN -V OUT =2V, 1mA I OUT 1A.5.5 % Dropout Voltage V D * I OUT =1.5A V Current Limit I LIMIT * V IN -V OUT =2V A Adjust Pin Current I ADJ * μa Adjust Pin Current Change I ADJ * 1.6V (V IN - V OUT ) 5.75V, 1mA I OUT 1A.2 5 μa Minimum Load Current I O(MIN) * 1.6V (V IN -V OUT ) 5.75V 1 ma Quiescent Current I Q * V IN =V OUT +1.25V 4 13 ma Ripple Rejection RR f=12hz, C OUT =22μF, Tantalum V IN -V OUT =3V, I OUT =1.5A 6 72 db Thermal Regulation T A =25 C, 3ms pulse.4.2 %/W Temperature Stability V OUT *.5 % Long-Term Stability V OUT T A =125 C, 1hrs.3 1. % RMS Output Noise V OUT T A =25 C, 1Hz f 1kHz.3 % Thermal shutdown Junction Temperature 155 C Thermal Shutdown Hysteresis 1 C UNISONIC TECHNOLOGIES CO., LTD 3 of 7
4 ELECTRICAL CHARACTERISTICS(Cont.) For Other Voltage PARAMETER SYMBOL TEST CONDITIONS MIN. TYP. MAX. UNIT Reference Voltage V REF * 1.5V (V IN -V OUT ) 5.75V 1mA I OUT 1A V UZ * 3.3V V IN 7V V UZ * 4V V IN 7V V Output Voltage UZ V OUT * 1mA I OUT 1A 4.35V V IN 7V V UZ * 4.8V V IN 7V V UZ V V IN 7V V Line Regulation (Note1,2) V OUT * (V OUT +1.5V) V IN 7V,I OUT =1mA.5.2 % Load Regulation (Note1,2) V OUT * V IN -V OUT =2V, 1mA I OUT 1A.5.5 % Dropout Voltage V D * I OUT =1.5A V Current Limit I LIMIT * V IN -V OUT =2V A Adjust Pin Current I ADJ * μa Adjust Pin Current Change I ADJ * 1.5V (V IN - V OUT ) 5.75V, 1mA I OUT 1A.2 5 μa Minimum Load Current I O(MIN) * 1.5V (V IN -V OUT ) 5.75V 1 ma Quiescent Current I Q * V IN =V OUT +1.25V 4 13 ma Ripple Rejection RR f=12hz, C OUT =22μF, Tantalum V IN -V OUT =3V, I OUT =1.5A 6 72 db Thermal Regulation T A =25 C, 3ms pulse.4.2 %/W Temperature Stability V OUT *.5 % Long-Term Stability V OUT T A =125 C, 1hrs.3 1. % RMS Output Noise V OUT T A =25 C, 1Hz f 1kHz.3 % Thermal shutdown Junction Temperature 155 C Thermal Shutdown Hysteresis 1 C Note: 1. See thermal regulation specifications for changes in output voltage due to heating effects. Load and line regulation are measured at a constant junction temperature by low duty cycle pulse testing. 2. Line and load regulation are guaranteed up to the maximum power dissipation. Power dissipation is determined by input/output differential and the output current. Guaranteed maximum output power will not be available over the full input/output voltage range. * stand for specifications which apply over the designed operating temperature range. UNISONIC TECHNOLOGIES CO., LTD 4 of 7
5 TYPICAL APPLICATION CIRCUIT UZ186 V IN =3.3V V IN V OUT 1.5V at 1.5A + + 1μF R1 22μF ADJ 124Ω V OUT =V REF (1+R2/R1)+I ADJ *R2 R2 24.9Ω UZ V IN =5V V IN V OUT + 1μF GND 2.85V at 1.5A + 22μF UNISONIC TECHNOLOGIES CO., LTD 5 of 7
6 TYPICAL CHARACTERISTICS Dropout Voltage (V) Fig. 1 Dropout Voltage vs. Output Current Output Current (A) 1.5 Dropout Voltage Deviation(%) Fig. 2 Load Regulation vs. Temperature.1 I=1A Reference Voltage(V) Fig. 3 Reference Voltage vs. Temperature Reference Voltage(V) Fig. 4 Output Voltage vs. Temperature 3.7 V OUT SET WITH 1% RESISTORS V OUT =3.6V V OUT =3.3V 3.25 UZ186 adjustable Only Fig. 5 Minimum Load Current vs. Temperature Fig. 6 Adjust Pin Current vs. Temperature 1 9 Note1.UZ186 Only Minimum Load Current (ma) Adjust Pin Current (μa) UNISONIC TECHNOLOGIES CO., LTD 6 of 7
7 TYPICAL CHARACTERISTICS(Cont.) Short- Circuit Current (A) Ripple Rejection (db) 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 7 of 7
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UNISONIC TECHNOLOGIES CO.,LTD. TEA05 STEREO AUDIO AMPLIFIER DESCRIPTION The UTC TEA05 is a monolithic integrated audio amplifier in a 16-pin plastic dual in line package. It is designed for portable cassette
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UNISONIC TECHNOLOGIES CO., LTD P1580 Preliminary LINEAR INTEGRATED CIRCUIT 380KHz, 2.5A STEP-DOWN ITCHING REGULATOR DESCRIPTION The UTC P1580 is a current mode, PWM controller with 380kHz fixed frequency.
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UNISONIC TECHNOLOGIES CO., LTD 300mA LDO REGULATOR DESCRIPTION The UTC LR9282 is a typical LDO (linear regulator) with the features of high output voltage accuracy, low supply current, low ON-resistance.
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UNISONIC TECHNOLOGIES CO., LTD 6.2A, 600V N-CHANNEL POWER MOSFET DESCRIPTION The UTC 6N60 is a high voltage power MOSFET and is designed to have better characteristics, such as fast switching time, low
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U UNISONIC TECHNOLOGIES CO., LTD REGULATING PWM IC DESCRIPTION The UTC U is a pulse width modulator IC and designed for switching power supplies application to improve performance and reduce external parts
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UNISONIC TECHNOLOGIES CO., LTD TL594 PULSE-WIDTH-MODULATION CONTROL CIRCUIT DESCRIPTION The UTC TL594 is a PWM (Pulse Width Modulation) control circuit, incorporating two error amplifiers, an on-chip adjustable
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UNISONIC TECHNOLOGIES CO., LTD +W DUAL BRIDGE AMPLIFIER DESCRIPTION The UTC is a +W dual bridge amplifier specially designed for TV and Portable Radio applications. HZIP-A FEATURES * Wide Supply Voltage
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UNISONIC TECHNOLOGIES CO., LTD 14.7A, 100V (D-S) N-CHANNEL POWER MOSFET DESCRIPTION The UTC is an N-Channel enhancement MOSFET, it uses UTC s advanced technology to provide customers with a minimum on-state
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UNISONIC TECHNOLOGIES CO., LTD ELECTRONIC TONE RINGER WITH BUILT-IN BRIDGE DESCRIPTION The UTC LS1240A is monolithic integrated circuits and designed to be as a telephone ringer. It can drive a piezo-ceramic
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UNISONIC TECHNOLOGIES CO., LTD 5A, 500V N-CHANNEL POWER MOSFET DESCRIPTION The UTC 5N50 is an N-channel power MOSFET adopting UTC s advanced technology to provide customers with DMOS, planar stripe technology.
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UNISONIC TECHNOLOGIES CO.,LTD. STEREO AUDIO AMPLIFIER DESCRIPTION The UTC is a monolithic integrated audio amplifier in a 6-pin plastic dual in line package. It is designed for portable cassette players
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UNISONIC TECHNOLOGIES CO., LTD UT4411 P-CHANNEL ENHANCEMENT MODE DESCRIPTION The UT4411 uses advanced trench technology to provide excellent R DS(ON), low gate charge and operation with low gate voltages.
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UNISONIC TECHNOLOGIES CO., LTD 2.4A, 800V N-CHANNEL POWER MOSFET DESCRIPTION The UTC 2N80 is an N-channel mode power MOSFET using UTC s advanced technology to provide costumers planar stripe and DMOS technology.
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UNISONIC TECHNOLOGIES CO., LTD 5A, 600V N-CHANNEL POWER MOSFET DESCRIPTION The UTC 5N60K-MTQ is a high voltage power MOSFET and is designed to have better characteristics, such as fast switching time,
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UNISONIC TECHNOLOGIES CO., LTD VOLTAGE AND CURRENT CONTROLLER DESCRIPTION The UTC integrated circuit incorporates a high stability series band gap voltage reference, two ORed operational amplifiers and
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UNISONIC TECHNOLOGIES CO., LTD UT4422 N-CHANNEL ENHANCEMENT MODE FIELD EFFECT TRANSISTOR DESCRIPTION The UT4422 uses advanced trench technology to provide excellent R DS(ON), low gate charge and operation
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UNISONIC TECHNOLOGIES CO., LTD P1696 200KHZ, 2A PWM STEP-DOWN DC/DC CONVERTER DESCRIPTION The UTC P1696 series is a step-down switching regulator able to provide 2A output current. The available output
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UNISONIC TECHNOLOGIES CO., LTD 10A, 600V N-CHANNEL POWER MOSFET DESCRIPTION The UTC 10N60 is a high voltage and high current power MOSFET, designed to have better characteristics, such as fast switching
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UNISONIC TECHNOLOGIES CO., LTD NPN GENERAL PURPOSE AMPLIFIER FEATURES * This device is for use as a medium power amplifier and switch requiring collector currents up to 500mA. ORDERING INFORMATION Ordering
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UNISONIC TECHNOLOGIES CO., LTD UT00N03 00A, 30V N-CHANNEL POWER MOSFET DESCRIPTION The UT00N03 uses advanced trench technology to provide excellent R DS(ON), low gate charge and operation with low gate
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UNISONIC TECHNOLOGIES CO., LTD 20A, 150V N-CHANNEL POWER MOSFET DESCRIPTION The UTC 20N15V is a N-Channel POWER MOSFET, it uses UTC s advanced technology to provide customers with high switching speed
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UNISONIC TECHNOLOGIES CO., LTD 5A, 650V N-CHANNEL POWER MOSFET DESCRIPTION The UTC 5N65 is a high voltage power MOSFET designed to have better characteristics, such as fast switching time, low gate charge,
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