LTC1261LCS8 Linear Technology, LTC1261LCS8 Datasheet
LTC1261LCS8
Specifications of LTC1261LCS8
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LTC1261LCS8 Summary of contents
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... The LTC1261L includes an open-drain REG output that pulls low when the output is within 5% of the set value. Quiescent current is typically 650 A when operating and shutdown. The LTC1261L is available in 8-pin MSOP and SO pack- ages. , LTC and LT are registered trademarks of Linear Technology Corporation. 5V 10k POWER VALID SHDN V = – ...
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... Consult factory for Industrial or Military grade parts or additional fixed voltage parts. ELECTRICAL C HARA TERISTICS C temperature range, otherwise specifications are at T SYMBOL PARAMETER V Supply Voltage CC (LTC1261LCMS8/LTC1261LCS8) (LTC1261LCMS8-4/LTC1261LCS8-4) (LTC1261LCMS8-4.5/LTC1261LCS8-4.5) (Note 5) V Reference Voltage REF I Supply Current CC f Internal Oscillator Frequency OSC V REG Output Low Voltage ...
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ELECTRICAL C HARA TERISTICS C temperature range, otherwise specifications are at T SYMBOL PARAMETER V Output Regulation (LTC1261L) OUT Output Regulation (LTC1261L/LTC1261L-4) Output Regulation (LTC1261L/LTC1261L-4.5) I Output Short-Circuit Current SC Note 1: The Absolute Maximum Ratings are those values beyond ...
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LTC1261L W U TYPICAL PERFORMANCE CHARACTERISTICS Output Voltage vs Supply Voltage – 3. – 4V OUT – 3.90 – 3. – – 4. ...
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PIN FUNCTIONS V (Pin 1): Power Supply. This requires an input voltage CC between 2.7V and 5.25V. V must be bypassed to CC ground with at least capacitor placed in close proximity to the ...
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LTC1261L U U APPLICATIONS INFORMATION The LTC1261L uses an inverting charge pump to generate a regulated negative output voltage that is either equal to or less than the supply voltage. The LTC1261L needs only three external capacitors and is available ...
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U U APPLICATIONS INFORMATION COMP2 also monitors the divided signal at ADJ but it is connected to a 1.17V reference, 5% below the main reference voltage. When the divided output exceeds this lower reference voltage indicating that the output is ...
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LTC1261L U U APPLICATIONS INFORMATION OUTPUT FILTERING If extremely low output ripple (< 5mV) is required, addi- tional output filtering is required. Because the LTC1261L uses a high 650kHz switching frequency, fairly low value networks can be ...
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... If the initial output is not what AVERAGE you expected, try swapping the two resistors. COMP1 OUTPUT The LTC1261L can be internally configured for other V SET fixed output voltages. Contact the Linear Technology V OUT Marketing department for details. AVERAGE COMP1 OUTPUT 1261L F04 ...
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LTC1261L U TYPICAL APPLICATIONS SHUTDOWN 0.1 F 1mV Ripple, 5V Input, – 4V Output GaAs FET Bias Generator V SHUTDOWN 0 BAT SHUTDOWN 0 Input, ...
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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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... Input, 5-lead SOT-23 –5V at 200mA from 5V Input in MSOP –15V at 12mA from 2.5V Input, 5-lead SOT-23 Output Noise = 2.5V to 5.5V Output RMS = 50mA (V 3V 25mA CC OUT IN OUT (V 2.7V) IN 1261lf LT/TP 0200 4K • PRINTED IN USA LINEAR TECHNOLOGY CORPORATION 1999 = – 4.5V 1261L TA07 up to 50mA ...