LT1175I Linear Technology, LT1175I Datasheet
LT1175I
Available stocks
Related parts for LT1175I
LT1175I Summary of contents
Page 1
... Low Voltage Linear Dropout Characteristics Fixed 5V and Adjustable Versions Tolerates Reverse Output Voltage U APPLICATIO S Analog Systems Modems Instrumentation A/D and D/A Converters Interface Drivers Battery-Powered Systems , LTC and LT are registered trademarks of Linear Technology Corporation. U TYPICAL APPLICATIO Typical LT1175 Connection + SHDN GND INPUT SENSE – ...
Page 2
... SHDN Pin to V Operating Junction Temperature Range LT1175C .............................................. 125 C LT1175I .......................................... – 125 C Ambient Operating Temperature Range LT1175C ................................................ LT1175I ............................................ – Storage Temperature Range ................. – 150 C Lead Temperature (Soldering, 10 sec).................. 300 FRONT VIEW PART NUMBER ...
Page 3
ELECTRICAL CHARACTERISTICS range, otherwise specifications are unless otherwise noted. To avoid confusion with “min” and “max” as applied to negative voltages, all voltages are shown as absolute values except where polarity is not obvious. PARAMETER GND Pin ...
Page 4
LT1175 W U TYPICAL PERFORMANCE CHARACTERISTICS Typical Current Limit Characteristics 1.0 CURRENT LIMIT CHANGES ONLY SLIGHTLY WITH TEMPERATURE SO CURVES ARE REPRESENTATIVE OF ALL TEMPERATURES 0 TIED TO V LIM2 LIM IN 0.6 I TIED TO V ...
Page 5
W U TYPICAL PERFORMANCE CHARACTERISTICS GND pin Current POWER TRANSISTOR 8 IN DROPOUT T = – 0.2 0.3 0.4 0.1 OUTPUT CURRENT ( ...
Page 6
LT1175 U U APPLICATIONS INFORMATION Note to Reader: To avoid confusion when working with negative voltages (is – 6V more or less than – 5V?), I have decided to treat the LT1175 were a positive regulator and ...
Page 7
U U APPLICATIONS INFORMATION normally a good thing when the regulator is used by itself, but it prevents the user from shutting down the regulator when a second power source is connected to the LT1175 output. If active output pull-down ...
Page 8
LT1175 U U APPLICATIONS INFORMATION LT1175 AC FEEDFORWARD PATH NEGATIVE DC FEEDBACK AT LIGHT Q3 LOADS 0.3 . This condition can occur with ceramic or film capacitors which often have an ESR under 0.1 . With previous designs, the user ...
Page 9
U U APPLICATIONS INFORMATION during a “shorting out” surge, only during a “charge up” surge. The output capacitor should be located within several inches of the regulator. If remote sensing is used, the output capacitor can be located at the ...
Page 10
... Input Voltage Lower Than Output Linear Technology’s positive low dropout regulators LT1121 and LT1129, will not draw large currents if the input voltage is less than the output. These devices use a lateral PNP power transistor structure that has 40V emitter base breakdown voltage ...
Page 11
... 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 save space ...
Page 12
... Positive Micropower Low Dropout Regulator with Shutdown LT1529 3A Positive Micropower Low Dropout Regulator with Shutdown 1175fc LT/TP 0399 2K REV C • PRINTED IN USA LINEAR TECHNOLOGY CORPORATION 1995 0.150 – 0.157** (3.810 – 3.988) 0.004 – 0.010 (0.101 – 0.254) SO8 0996 0.033 – 0.041 (0.84 – ...