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| UNISONIC TECHNOLOGIES CO., LTD L1186 600mA CMOS LDO 5 Preliminary CMOS IC 4 DESCRIPTION The UTC L1186 is a COMS positive linear regulator. One of its features is the very low quiescent current typical as low as 30A and its dropout voltage is extremely low with 600mA output current. The internal circuit includes thermal shutdown and current fold-back to prevent device failure when the circuit is operated in the bad conditions. In application, the UTC L1186 needs a low noise, regulated supply. For stable operation, the output capacitance value should be 2.2F or more. The UTC L1186 is an ideal for battery applications, such as instrumentations, portable electronics, wireless devices, cordless phones, PC peripherals, and battery powered widgets. 1 2 3 SOT-25 1 SOP-8 FEATURES * Accurate to Within 1.5% * Quiescent Current: 30A * Internal Over-Temperature Shutdown * With Current Limiting * Internal Short Circuit Current Fold-Back * With Noise Reduction Bypass Capacitor * Has Power-Saving Shutdown Mode * Very Low Temperature Coefficient ORDERING INFORMATION Ordering Number Lead Free Halogen Free L1186L-XX-AF5-R L1186G-xx-AF5-R L1186L-xx-S08-A-R L1186G-xx-S08-A-R L1186L-xx-S08-B-R L1186G-xx-S08-B-R Note: xx: Output Voltage, refer to Marking Information. Package SOT-25 SOP-8 SOP-8 Packing Tape Reel Tape Reel Tape Reel www.unisonic.com.tw Copyright (c) 2010 Unisonic Technologies Co., Ltd 1 of 7 QW-R502-319.d L1186 MARKING INFORMATION PACKAGE VOLTAGE CODE Preliminary CMOS IC MARKING 3 2 1 L: Lead Free G: Halogen Free Voltage Code SOT-25 15 :1.5V 28 :2.8V AD:ADJ SOP-8 4 LSXX 5 PIN CONFIGURATION VIN 1 GND 2 EN 3 4 BYP/ADJ 5 VOUT VIN 1 GND 2 GND 3 EN 4 8 VOUT 7 GND 6 GND 5 ADJ SOP-8(A) SOP-8(B) SOT-25 PIN DESCRIPTION SOT-25 1 2 3 4 5 -PIN NO SOP-8(A) 1 2,3,6,7 4 5 8 -SOP-8(B) 8 3 5 2 1 4,6,7 PIN NAME VIN GND EN BYP/ADJ VOUT NC DESCRIPTION Input for voltage input. Ground. Enable pin. Noise Reduction Bypass Capacitor/ Adjusted Voltage Output voltage pin No connection UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 7 QW-R502-319.d L1186 BLOCK DIAGRAM IN Preliminary CMOS IC Thermal Shutdown Overcurrent Shutdown EN AMP + OUT Vref=1.215V GND ADJ UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 of 7 QW-R502-319.d L1186 ABSOLUTE MAXIMUM RATING PARAMETER Input Voltage Output Voltage Output Current Power Dissipation Junction Temperature Operating Temperature SOT-25 SOP-8 Preliminary CMOS IC SYMBOL VIN VOUT IOUT PD TJ TOPR RATINGS 8 GND-0.3 ~ VIN+0.3 PD VIN - VOUT 400 600 150 -40~+85 UNIT V V A mW C C TSTG -65~+150 C Storage Temperature 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 Junction to Ambient SOT-25 JA SOP-8 Junction to Case (Note) SOT-25 JC SOP-8 Note: JC on center of molding compound if IC has on tab RATINGS 260 200 81 65 UNIT C/W C/W ELECTRICAL CHARACTERISTICS (Ta = 25C, unless otherwise noted.) Fixed Voltage PARAMETER Input Voltage Output Voltage Accuracy Line Regulation Load Regulation Output Current Current Limit Short Circuit Current Quiescent Current Ground Pin Current Dropout Voltage Over Temperature Shutdown Over Temperature Hysteresis Temperature Coefficient of Output Voltage Power Supply Rejection Output Voltage Noise EN Input Threshold EN Input Bias Current Shutdown Supply Current PG Leakage Current SYMBOL VIN VOUT VOUT VOUT VOUT VOUT IOUT ILIMIT ISC IQ IGND VD OTS OTH TCVO PSRR eN VEH VEL IEH IEL ISD ILC f=1kHz IOUT =100mA COUT=2.2F ceramic f=10kHz CBYP=0.01F f=100kHz f=10Hz~100kHz, IOUT =10mA COUT=2.2F , CBYP=0.1F VIN=2.7V~7V VIN=2.7V~7V VEN=VIN, VIN=2.7V~7V VEN=0V, VIN=2.7V~7V VIN=5V, VOUT =0V, VEN 600 50 1400 800 150 30 30 75 55 30 30 2.0 0 0.5 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw L1186 Adjusted Voltage PARAMETER Input Voltage Reference Voltage Output Voltage Accuracy Line Regulation Load Regulation Output Current Current Limit Short Circuit Current Adjusted Current Ground Pin Current Dropout Voltage Over Temperature Shutdown Over Temperature Hysteresis Temperature Coefficient of Output Voltage Power Supply Rejection Output Voltage Noise EN Input Threshold EN Input Bias Current Shutdown Supply Current PG Leakage Current Notes: 1. VIN(MIN)=VOUT+VD SYMBOL VIN VREF VOUT VOUT VOUT VOUT VOUT IOUT ILIMIT ISC IADJ IGND VD OTS OTH TCVO PSRR eN VEH VEL IEH IEL ISD ILC Preliminary CMOS IC ELECTRICAL CHARACTERISTICS (Cont.) TEST CONDITIONS MIN TYP MAX Note1 7 1.196 1.215 1.234 -1.5 1.5 -0.15 0.2 600 600 800 300 30 35 150 30 30 f=1kHz IOUT =100mA COUT=2.2F ceramic f=10kHz CBYP=0.01F f=100kHz f=10Hz~100kHz, IOUT =10mA COUT=2.2F , CBYP=0.1F VIN=2.7V~7V VIN=2.7V~7V VEN=VIN, VIN=2.7V~7V VEN=0V, VIN=2.7V~7V VIN=5V, VOUT =0V, VEN 600 50 600 0.5 2. To prevent the Short Circuit Current protection feature from being prematurely activated, the input voltage must be applied before a current source load is applied. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 5 of 7 QW-R502-319.d L1186 Fixed Voltage INPUT VIN Preliminary CMOS IC TYPICAL APPLICATION CIRCUIT L1186 GND VOUT EN OUTPUT BYP 5V + C1 1F C2 0.1F C3 2.2F Adjusted Voltage EN EN OUT R1 IN + C1 1F IN GND ADJ C2 100p OUT C3 2.2F R2 VOUT = 1.215 ( R1/R2 +1 ) C2 is unnecessary if R1 or R2 < 20 K R1 and R2 use resistance value within 1% accuracy for correct for correct VOUT UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 6 of 7 QW-R502-319.d L1186 Preliminary CMOS IC 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 www.unisonic.com.tw 7 of 7 QW-R502-319.d |
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