LT1073CS8 Linear Technology, LT1073CS8 Datasheet
LT1073CS8
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LT1073CS8 Summary of contents
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... LT1173 is recommended. Switch current limiting is user-adjustable by adding a single external resistor. Unique reverse- battery protection circuitry limits reverse current to safe, nondestructive levels at reverse supply voltages up to 1.6V. , LTC and LT are registered trademarks of Linear Technology Corporation. 1N5818 5V 40mA + 100 F ...
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... V = 1.5V 500mA 5V 100k (Note ORDER PART NUMBER LT1073CN8 8 FB (SENSE)* LT1073CN8-5 7 SET LT1073CN8- GND LT1073CS8 LT1073CS8-5 LT1073CS8-12 S8 PART MARKING 1073 10735 107312 MIN TYP MAX UNITS 95 130 135 250 1.15 12.6 1.0 12.6 30 202 212 222 mV 4.75 5 5.25 11 125 ...
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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are at T SYMBOL PARAMETER I Reverse Battery Current REV I Current Limit LIM Current Limit Temperature Coefficient I Switch OFF Leakage Current LEAK V Maximum Excursion Below GND SW2 Note 1: Absolute Maximum ...
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LT1073 W U TYPICAL PERFOR A CE CHARACTERISTICS Supply Current vs Temperature 150 V = 1.5V IN 140 130 120 110 100 –50 – 100 TEMPERATURE ( C) 1073 G07 U ...
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U OPERATIO LT1073 The LT1073 is gated oscillator switcher. This type archi- tecture has very low supply current because the switch is cycled only when the feedback pin voltage drops below the reference voltage. Circuit operation can best be under- ...
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LT1073 U U APPLICATIO S I FOR ATIO Table 1. Component Selection for Step-Up Converters INPUT BATTERY OUTPUT VOLTAGE (V) TYPE VOLTAGE (V) 1.55-1.25 Single Alkaline 3 1.30-1.05 Single Ni-Cad 3 1.55-1.25 Single Alkaline 5 1.30-1.05 Single Ni-Cad 5 3.1-2.1 ...
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U U APPLICATIO S I FOR ATIO saturation current ratings in the 300mA to 1A range (depending on application) are adequate. Lastly, the in- ductor must have sufficiently low DC resistance so that excessive power is not lost as heat ...
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LT1073 U U APPLICATIO S I FOR ATIO 50mV/DIV 20 s/DIV Figure 3. Aluminum microampere range, a leaky capacitor will noticeably de- crease efficiency. In this type application tantalum capaci- tors are the best choice, with typical leakage currents in ...
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U U APPLICATIO S I FOR ATIO 212 mV OUT R 1 Step-Down (Buck Mode) Operation A step-down DC/DC converter converts a higher voltage to a lower voltage short-circuit protected because the V IN ...
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LT1073 U U APPLICATIO S I FOR ATIO In Figure 9, the input is negative while the output is positive. In this configuration, the magnitude of the input voltage can be higher or lower than the output voltage. A level ...
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U U APPLICATIO S I FOR ATIO V LT1073 IN 212mV – R1 REF V A0 BAT SET + R2 GND Figure 12. Settling Low Battery Detector Trip Point Table 2. Inductor Manufacturers MANUFACTURER Gowanda Electronics ...
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LT1073 U TYPICAL APPLICATIO S 1.5V to 12V Step-Up Converter † L1 1N5818 120 LIM IN + SW1 1.5V LT1073-12 CELL SENSE GND SW2 † GOWANDA GA10-123k OR CADDELL-BURNS 7300- 12V Step-Up Converter ...
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U TYPICAL APPLICATIO S 1. Step-Up Converter with Logic Shutdown † L1 1N5818 LIM IN SW1 1.5V CELL LT1073 FB GND SW2 1N4148 74C04 SHUTDOWN OPERATE * 1% METAL FILM † GOWANDA ...
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LT1073 U TYPICAL APPLICATIO Step-Up Converter with Undervoltage Lockout 68 H 100k 100 909k LIM IN 100k AO SW1 2N3906 LT1073 3V 2.2M SET FB GND SW2 100k METAL FILM † L1 ...
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... FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. ...
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... LT1617 Micropower Inverting DC/DC Converter in 5-Lead SOT-23 LT1930/LT1930A 1.2MHz/2.2MHz, 1A Switching Regulator in 5-Lead SOT-23 LT1931/LT1931A 1.2MHz/2.2MHz, 1A Inverting Switching Regulator in 5-Lead SOT-23 Burst Mode operation is a trademark of Linear Technology Corporation. Linear Technology Corporation 16 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 www.linear-tech.com L1 1 ...