UNISONIC TECHNOLOGIES CO., LTD

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1 UNISONIC TECHNOLOGIES CO., LTD 00 ma LOW-DROPOUT VOLTAGE REGULATOR DESCRIPTION The UTC LP290/29 are monolithic integrated voltage regulators with low dropout voltage, and low quiescent current. It includes many features that suitable for different applications. FEATURES * Fixed output versions, 2.V, V,.V,.V and V, 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 pin package. * Output voltage programmable for LP29. ORDERING INFORMATION TO-92 SOP- TO-22 DIP- Lead-free: LP290L-XX/LP29L Halogen-free: LP290G-XX/LP29G Ordering Number Normal Lead Free Halogen Free Package Packing LP290-xx-D0-T LP290L-xx-D0-T LP290G-xx-D0-T DIP- Tube LP290-xx-S0-T LP290L-xx-S0-T LP290G-xx-S0-T SOP- Tube LP290-xx-S0-R LP290L-xx-S0-R LP290G-xx-S0-R SOP- Tape Reel LP290-xx-T92-B LP290L-xx-T92-B LP290G-xx-T92-B TO-92 Tape Box LP290-xx-T92-K LP290L-xx-T92-K LP290G-xx-T92-K TO-92 Bulk LP290-xx-TN-T LP290L-xx-TN-T LP290G-xx-TN-T TO-22 Tube LP290-xx-TN-R LP290L-xx-TN-R LP290G-xx-TN-R TO-22 Tape Reel LP29-D0-T LP29L-D0-T LP29G-D0-T DIP- Tube LP29-S0-T LP29L-S0-T LP29G-S0-T SOP- Tube LP29-S0-R LP29L-S0-R LP29G-S0-R SOP- Tape Reel Note: Pin Assignment: I:V IN O:V OUT G: OUTPUT VOLTAGE CODE(For LP290) OUTPUT VOLTAGE CODE 2.V 2.0V 0.V.V.0V 0 of Copyright 200 Unisonic Technologies Co., Ltd

2 PIN CONFIGURATIONS UTC LP290 2 UTC LP290 OUTPUT INPUT TO-92 Plastic Package Bottom View INPUT OUTPUT SOT-22 Package OUTPUT INPUT OUTPUT INPUT SENSE SHUTDOWN 2 UTC LP29 FEEDBACK V TAP NC SHUTDOWN 2 UTC LP290 NC NC 4 4 SOP- OR DIP- PACKAGE FOR UTC LP29 SOP- OR DIP- PACKAGE FOR UTC LP290 BLOCK DIAGRAM UNREGULATED DC FEEDBACK INPUT OUTPUT V 0mA MAX. SENSE 2 FROM CMOS OR TTL SHUT DOWN.2 REF 0mV 2kΩ AMPLIFIER 0kΩ DETECTION COMPARATOR V TAP 4. μf 0KΩ TO CMOS OR TTL FOR UTC LP29 UNISONIC TECHNOLOGIES CO., LTD 2 of

3 ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL RATINGS UNIT Supply Voltage V CC -0. ~ +0 V Feedback Voltage V FB -. ~ +0 V Shutdown Voltage V SHDN -0. ~ +0 V Power Dissipation P D Internally Limited W Operation Junction Temperature T J -40 ~ +2 C Storage Temperature T STG - ~ +0 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 Junction-to-Ambient Junction-to-Case PARAMETER SYMBOL RATING UNIT TO-92 0 TO θ JA SOP- 0 C/W DIP- 0 TO-92 TO-22 θ JC C/W SOP- 4 ELECTRICAL CHARACTERISTICS (T J =2 C, V IN =V, I L =00μA, C L =μf, unless otherwise specified.) For All Version: PARAMETER SYMBOL TEST CONDITION MIN TYP MAX UNIT Output Voltage V OUT T J =2 C (Note ) V OUT 0.9 V OUT V OUT.02 V -2 C T J + C(Note ) V OUT 0.9 V OUT V OUT.02 V Output Voltage V OUT 00μA I L 00mA, T J T J (max) V OUT 0.9 V OUT V OUT.02 V Output Voltage Temperature Coefficient TcVo ppm/ C Line Regulation ΔV OUT V V IN 0V % Load Regulation ΔV 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 2 4 ma Dropout Ground Current V IN =4.V,I L =00μA μa Current Limit I LIMIT V OUT = ma Output Noise (0Hz ~ 00KHz) C L =μf 40 (Bypass=0.0μF pins to en C L =200μF 0 μv (LP29)) C L =.μf 00 UNISONIC TECHNOLOGIES CO., LTD of

4 ELECTRICAL CHARACTERISTICS(Cont.) For UTC LP29 -Pin Version Only PARAMETER SYMBOL TEST CONDITION MIN TYP MAX UNIT Reference Voltage V REF V Reference Voltage V REF Over temperature(note 4).9.2 V Feedback pin Bias Current I FB na Reference Voltage Temperature Coefficient V REF(TC) 0 ppm/ C Feedback Bias Current Temperature Coefficient I FB(TC) 0. na/ C Error Comparator Output Leakage Current I O(LEAK) V OH =0V μa Output Low Voltage V OL V IN =4.V, I OL =400μA 20 mv Threshold Voltage Upper V THU (Note ).2 %VO Lower V THL (Note ). %VO Hysteresis V HYS (Note ) mv Shutdown Input Input Logic Voltage Low V IL Regulator ON. 0.0 High V IH Regulator OFF 2.0 V Shutdown Pin Input Current I SHDN V SHDN =2.4V 0 0 μa V SHDN =0V μa Regulator Output Current Shutdown Note:. V SHDN 0.V. 2. I DFF V SHDN 2V, V IN 0V, V OUT =0 Feedback pin tied to V Tap. 0 μa Additional conditions for -pin versions are FB pin tied to V TAP, Output tied to Sense (V OUT =V) 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.. Comparator thresholds are expressed in terms of percentage value of voltage output. 4. V REF V OUT (V IN -V), 2.V V IN 0V, 00μA I L 00mA, T J T J(MAX) UNISONIC TECHNOLOGIES CO., LTD 4 of

5 TYPICAL APPLICATION CIRCUIT 0 Ampere Low Dropout Regulator CURRENT LIMIT SECTION +VIN=Vout+0.V N90 40 UTC DH0 4.M +VIN 0k +VOUT 00m A 20k 220 UTC LP29 SD FB Vout 4 R R2 % 4. F 00 F 0.0 F 4 VOUT=.2V*(+R/R2) For V output use internal resistors.wire pin to and wire pin 2 to +VOUT Fig. V IN UTC LP UTC LP UTC LP290-. UTC LP290-. UTC LP V OUT Fig.2 UNISONIC TECHNOLOGIES CO., LTD of

6 TYPICAL CHARACTERISTICS UNISONIC TECHNOLOGIES CO., LTD of

7 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 of

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