UNISONIC TECHNOLOGIES CO., LTD LP2950/2951
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1 UNISONIC TECHNOLOGIES CO., LTD LP2950/ ma LOW-DROPOUT VOLTAGE REGULATOR TO-92 TO-252 DESCRIPTION The UTC LP2950/295 are monolithic integrated voltage regulators with low dropout voltage, and low quiescent current. It includes many features that suitable for different applications. FEATURES SOP-8 DIP-8 * Fixed output versions, 2.5V, 3V, 3.3V, 3.6V and 5V, are available. * High accuracy output voltage. * Extremely low quiescent current and dropout voltage. * Extremely tight load and line regulation. * Current and thermal limiting. * Very low temperature coefficient. * Logic controlled shutdown and err flog available for 8 pin package. * Output voltage programmable for LP295. DFN-8(3x3) ORDERING INFORMATION Ordering Number Lead Free Halogen Free Package Packing LP2950L-xx-D08-T LP2950G-xx-D08-T DIP-8 Tube - LP2950G-xx-S08-T SOP-8 Tube LP2950G-xx-S08-R SOP-8 Tape Reel LP2950L-xx-T92-B LP2950G-xx-T92-B TO-92 Tape Box LP2950L-xx-T92-K LP2950G-xx-T92-K TO-92 Bulk LP2950L-xx-TN3-R LP2950G-xx-TN3-R TO-252 Tape Reel - LP2950G-xx-K R DFN-8(3 3) Tape Reel LP295L-D08-T LP295G-D08-T DIP-8 Tube - LP295G-S08-T SOP-8 Tube - LP295G-S08-R SOP-8 Tape Reel - LP295G-K R DFN-8(3 3) Tape Reel Note: Pin Assignment: I: V IN O: V OUT G: GND of 9 Copyright 204 Unisonic Technologies Co., Ltd
2 MARKING INFORMATION (For LP2950) PACKAGE VOLTAGE CODE MARKING DIP-8 SOP-8 TO-92 25: 2.5V 33: 3.3V 36:3.6V 50:5.0V Voltage Code UTC LP2950 XX 2 3 L: Lead Free G: Halogen Free Date Code TO-252 LP2950 DFN-8(3 3) LP295 DFN-8(3 3) UNISONIC TECHNOLOGIES CO., LTD 2 of 9
3 UNISONIC TECHNOLOGIES CO., LTD PIN CONFIGURATIONS OUTPUT 8 INPUT INPUT 8 OUTPUT SENSE SHUTDOWN 2 3 UTC LP295 Top View 7 6 FEEDBACK 5V TAP FEEDBACK 5V TAP 7 6 UTC LP295 Bottom View 2 3 SENSE SHUTDOWN GND 4 5 ERROR ERROR 5 4 GND DFN-8(3 3) Plastic Package Top View DFN-8(3 3) Plastic Package Bottom View 3 of 9 Copyright 204 Unisonic Technologies Co., Ltd
4 BLOCK DIAGRAM FOR LP2950 FOR LP295 UNISONIC TECHNOLOGIES CO., LTD 4 of 9
5 ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL RATINGS UNIT Supply Voltage V CC -0.3 ~ +30 V Feedback Voltage V FB -.5 ~ +30 V Shutdown Voltage V SHDN -0.3 ~ +30 V Power Dissipation P D Internally Limited W Operation Junction Temperature T J -40 ~ +25 C Storage Temperature T STG -65 ~ +50 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 RATING UNIT TO TO Junction-to-Ambient SOP-8 θ JA 90 C/W DIP-8 05 DFN-8(3 3) 59 TO Junction-to-Case TO θ JC SOP-8/DIP-8 45 C/W DFN-8(3 3) 0 ELECTRICAL CHARACTERISTICS (T J =25 C, V IN =6V, I L =00 A, C L =μf, unless otherwise specified.) For All Version: PARAMETER SYMBOL TEST CONDITION MIN TYP MAX UNIT Output Voltage V OUT T J =25 C (Note ) V OUT 0.98 V OUT V OUT.02 V -25 C T J +85 C(Note ) V OUT 0.98 V OUT V OUT.02 V Output Voltage V OUT 00 A I L 00mA, T J T J (max) V OUT 0.98 V OUT V OUT.02 V Output Voltage Temperature Coefficient TcVo ppm/ C Line Regulation V OUT 6V V IN 30V % Load Regulation V OUT 00μA I L 00 ma % Dropout Voltage V D I L =00μA I L =00mA (Note 2) mv Ground Current I G I L =00μA μa I L =00mA ma Dropout Ground Current V IN =4.5V,I L =00μA μa Current Limit I LIMIT V OUT = ma Output Noise (0Hz ~ 00KHz) (Bypass=0.0 F pins 7 to (LP295)) en C L =μf 430 C L =200μF 60 C L =3.3μF 00 μv UNISONIC TECHNOLOGIES CO., LTD 5 of 9
6 ELECTRICAL CHARACTERISTICS(Cont.) For UTC LP295 8-Pin Version Only PARAMETER SYMBOL TEST CONDITION MIN TYP MAX UNIT Reference Voltage V REF V Reference Voltage V REF Over temperature(note 4).9.27 V Feedback pin Bias Current I FB na Reference Voltage Temperature Coefficient V REF(TC) 50 ppm/ C Feedback Bias Current Temperature Coefficient I FB(TC) 0. na/ C Error Comparator Output Leakage Current I O(LEAK) V OH =30V A Output Low Voltage V OL V IN =4.5V, I OL =400 A 250 mv Threshold Voltage Upper V THU (Note 3) 3.2 %VO Lower V THL (Note 3) 7.6 %VO Hysteresis V HYS (Note 3) 5 mv Shutdown Input Input Logic Voltage Low V IL Regulator ON High V IH Regulator OFF 2.0 V Shutdown Pin Input Current I SHDN V SHDN =2.4V μa V SHDN =30V μa Regulator Output Current Shutdown Note:. V SHDN 0.8V. 2. I DFF V SHDN 2V, V IN 30V, V OUT =0 Feedback pin tied to 5V Tap. 3 0 μa Additional conditions for 8-pin versions are FB pin tied to 5V TAP, Output tied to Sense (V OUT =5V) and Dropout Voltage is defined as the input to output differential at which the output voltage drops 00mV below its nominal value measured at V differential. 3. Comparator thresholds are expressed in terms of percentage value of voltage output. 4. V REF V OUT (V IN -V), 2.3V V IN 30V, 00 A I L 00mA, T J T J(MAX) UNISONIC TECHNOLOGIES CO., LTD 6 of 9
7 TYPICAL APPLICATION CIRCUIT 0 Ampere Low Dropout Regulator CURRENT LIMIT SECTION +VIN=Vout+0.5V N UTC D65H0 4.7M 8 +VIN ERROR 5 0k +VOUT 00m A 20k UTC LP295 SD 7 FB GND Vout 4 R R2 % 4.7 F 00 F F 47 VOUT=.23V*(+R/R2) For 5V output use internal resistors.wire pin 6 to 7 and wire pin 2 to +VOUT Fig. V IN UTC LP UTC LP UTC LP UTC LP UTC LP V OUT Fig.2 UNISONIC TECHNOLOGIES CO., LTD 7 of 9
8 TYPICAL CHARACTERISTICS UNISONIC TECHNOLOGIES CO., LTD 8 of 9
9 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 9 of 9
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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 WHITE LED STEP-UP CONVERTER DESCRIPTION The UTC L5101 is a constant current step-up PWM DC/DC converter optimized to drive white LEDs. It can drive LEDs in series with a
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UNISONIC TECHNOLOGIES CO., LTD 2NNPP06 60V COMPLEMENTARY ENHANCEMENT MODE MOSFET H-BRIDGE (N-CHANNEL/P-CHANNEL) DESCRIPTION The UTC 2NNPP06 is a complementary enhancement mode MOSFET H-BRIDGE, it uses
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UNISONIC TECHNOLOGIES CO., LTD US2076 Preliminary CMOS IC DUAL HIGH-SIDE POWER SWITCH DESCRIPTION The UTC US2076 is a dual integrated high-side power switch particularly designed for self-powered and bus-powered
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U74CBT3257 4-BIT 1-OF-2 FET MULTIPLEXER/ DEMULTIPLEXER UNISONIC TECHNOLOGIES CO., LTD CMOS IC DESCRIPTION The U74CBT3257 is a 4-bit 1-of-2 high-speed TTL-compatible FET multiplexer/demultiplexer. The low
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UNISONIC TECHNOLOGIES CO., LTD CD4541 PROGRAMMABLE TIMER DESCRIPTION The CD4541 programmable timer comprise a 16-stage binary counter, an integrated oscillator for use with an external capacitor and two
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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 UTD408 N-CHANNEL ENHANCEMENT MODE FEATURES * R DS(ON) < 18 mω @ V GS =10V, I D =18A R DS(ON) < 27 mω @ V GS =4.5V, I D =10A * Low capacitance * Optimized gate charge * Fast
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UNISONIC TECHNOLOGIES CO., LTD UT4413 P-CHANNEL ENHANCEMENT MODE DESCRIPTION The UT4413 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 L1131C Preliminary CMOS IC LOW NOISE 150mA LDO REGULATOR DESCRIPTION The UTC L1131C is a typical LDO (linear regulator) with the features of High output voltage accuracy,
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UNISONIC TECHNOLOGIES CO., LTD 25N06 Preliminary Power MOSFET 25A, 60V N-CHANNEL POWER MOSFET DESCRIPTION The UTC 25N06 is an N-channel enhancement mode power MOSFET, which provides low gate charge, avalanche
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UNISONIC TECHNOLOGIES CO., LTD UTT4815 Preliminary Power MOSFET 8 Amps, -30 Volts P-CHANNEL POWER MOSFET DESCRIPTION The UTC UTT4815 is a P-channel enhancement mode power MOSFET using UTC s advanced trench
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UNISONIC TECHNOLOGIES CO., LTD TL494 VOLTAGE MODE PWM CONTROL CIRCUIT DESCRIPTION The UTC TL494 incorporates all the functions required in the construction of a pulse-width modulation switching circuit.
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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 UTT00N08M Advance POWER MOSFET 00A, 80V N-CHANNEL ENHANCEMENT MODE TRENCH POWER MOSFET TO-220 DESCRIPTION The UTC UTT00N08M is a N-channel Power MOSFET, it uses UTC s advanced
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UNISONIC TECHNOLOGIES CO., LTD UF7476 Preliminary POWER MOSFET N-CHANNEL POWER MOSFET DESCRIPTION The UTC UF7476 is a N-channel Power MOSFET, it uses UTC s advanced technology to provide the customers
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UNISONIC TECHNOLOGIES CO., LTD PN2222A 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
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UNISONIC TECHNOLOGIES CO., LTD 14.7A, 1V (D-S) N-CHANNEL POWER MOSFET DESCRIPTION The UTC 15N1 is an N-Channel enhancement MOSFET, it uses UTC s advanced technology to provide customers with a minimum
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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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SINGLE TIMER UNISONIC TECHNOLOGIES CO., LTD DESCRIPTION The UTC NE555 is a highly stable timer integrated circuit. It can be operated in both Astable and Monostable mode. With monostable operation, the
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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 50A, 40V N-CHANNEL POWER MOSFET DESCRIPTION The UTC is a N-channel enhancement MOSFET using UTC s advanced technology to provide the customers with perfect R DS(ON) and high
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