LTC1261IS8#PBF Linear Technology, LTC1261IS8#PBF Datasheet
LTC1261IS8#PBF
Specifications of LTC1261IS8#PBF
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LTC1261IS8#PBF Summary of contents
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... Output ripple is typically as low as 5mV. Quiescent current is typically 600 A when operating and shutdown. The LTC1261 is available in a 14-pin narrow body SO package and an 8-pin SO package. , LTC and LT are registered trademarks of Linear Technology Corporation. Waveforms for – 4V Generator with Power Valid OUT – 4V ...
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LTC1261 BSOLUTE (Note 1) Supply Voltage (Note 2)............................................ 9V Output Voltage (Note 5) .............................. 0.3V to – 9V Total Voltage (Note 2) ........................ 12V CC OUT Input Voltage SHDN Pin ...
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ELECTRICAL C HARA TERISTICS C Doubler Mode 10 0 (Note 4 SYMBOL PARAMETER CONDITIONS (Note 2) V Output Regulation – 1.24V V OUT (Note 2) – 1.24V V – ...
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LTC1261 W U TYPICAL PERFORMANCE CHARACTERISTICS Output Voltage vs Output Current –3 –3.6 A –3.7 –3 –3.9 DOUBLER MODE –4 3.3V CC –4.1 TRIPLER MODE –4.2 –4.3 –4.4 –4.5 0 ...
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PIN FUNCTIONS Pin numbers are shown as (LTC1261CS/LTC1261CS8). NC (Pin 1/NA): No Internal Connection (Pin 2/ Pin 2): C1 Positive Input. Connect a 0 – capacitor between C1 and C1 . With the ...
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LTC1261 U U APPLICATIONS INFORMATION MODES OF OPERATION The LTC1261 uses a charge pump to generate a negative output voltage that can be regulated to a value either higher or lower than the original input voltage. It has two modes ...
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U U APPLICATIONS INFORMATION CLK 550kHz COMP 1 – V REF The output voltage is monitored by COMP1 which com- pares a divided replica of the output at ADJ (COMP for fixed output parts) to the ...
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LTC1261 U U APPLICATIONS INFORMATION OUTPUT RIPPLE Output ripple in the LTC1261 comes from two sources; voltage droop at the output capacitor between clocks and frequency response of the regulation loop. Voltage droop is easy to calculate. With a typical ...
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U U APPLICATIONS INFORMATION OUT 0.1 F LTC1261CS8 – C1 COMP + GND 100pF 4 Figure 4. Output Filter Cuts Ripple Below 3mV CAPACITOR SELECTION Capacitor Sizing The performance ...
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LTC1261 U U APPLICATIONS INFORMATION pump from going into very high frequency oscillation under such conditions but it also creates an output error as the feedback loop regulates based on the top of the spike, not the average value of ...
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... The LTC1261 can be internally configured with nonstand- ard fixed output voltages. Contact the Linear Technology Marketing Department for details. N 3.3V Input, – 4.5V Output GaAs FET Bias Generator ...
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LTC1261 U TYPICAL APPLICATIONS V BAT SHUTDOWN 0 8.4V BAT (7 NiCd CELLS) SHUTDOWN 1 F 0.1 F 1mV Ripple, 5V Input, – 4V Output GaAs FET Bias Generator V BAT SHUTDOWN 5V 1 ...
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U TYPICAL APPLICATIONS High Supply Voltage, – 5V Output GaAs FET Bias Generator 8V V 12V BAT SHUTDOWN 0.1 F 0.1 F Low Output Voltage Generator 100pF ADJ 0.1 F ...
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LTC1261 U TYPICAL APPLICATIONS This circuit uses the LTC1261CS8 to generate a – 1.24V output at 20mA. Attached to this output is a 312 resistor to make the current/voltage conversion. 4mA through 312 generates 1.24V, giving a net 0V output. ...
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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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... GaAs FET Bias with Linear Regulator 1mV Ripple GaAs FET Bias 0.4V Dropout Voltage at 150mA, Low Noise, Switched Capacitor Regulated Voltage Inverter –0.5V BIAS 5.5% GaAs TRANSMITTER 3.3 F LTC1261 • TA08 1261fa LT/TP 0198 REV A 4K • PRINTED IN USA LINEAR TECHNOLOGY CORPORATION 1994 ...