LTC1540IS8 Linear Technology, LTC1540IS8 Datasheet
LTC1540IS8
Specifications of LTC1540IS8
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LTC1540IS8 Summary of contents
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... Continuous Source Current ■ Pin Compatible with LTC1440, MAX921, MAX931 U APPLICATIO S ■ Battery-Powered System Monitoring ■ Threshold Detectors ■ Window Comparators ■ Oscillator Circuits , LTC and LT are registered trademarks of Linear Technology Corporation. U TYPICAL APPLICATIO Nanopower 2.9V V Threshold Detector CC 3. 4.32M + V LTC1540 ...
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... HYST S8 PACKAGE 8-LEAD PLASTIC 150°C, θ = 175°C/ W JMAX JA ORDER PART S8 PART MARKING NUMBER 1540 LTC1540CS8 1540I LTC1540IS8 The ● denotes the specifications which apply over the full operating + – = 25° 5V GND = 0V CONDITIONS + – 80mV, HYST = REF, C-Grade + – ...
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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are at T SYMBOL PARAMETER V Hysteresis Input Voltage Range HYST t Propagation Delay PD V Output High Voltage OH V Output Low Voltage OL Reference V Reference Voltage REF Load Regulation ∆V REF ...
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LTC1540 W U TYPICAL PERFORMANCE CHARACTERISTICS Supply Current vs Temperature 0 – GND = 0V 0 – GND = 0V 0 – 0.2 V ...
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PIN FUNCTIONS GND (Pin 1): Ground. Connect to V operation. – V (Pin 2): Negative Supply. Potential should be more negative than GND. Connect to ground for single supply operation (Pin 3): Noninverting Comparator Input. ...
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LTC1540 U U APPLICATIONS INFORMATION REFERENCE OUTPUT REF R1 LTC1540 C1 – V Figure 1. Damping the Reference Output 1000 100 10 1 0.1 0.001 0.01 0.1 CAPACITOR VALUE (µF) Figure 2. Damping Resistance vs Bypass Capacitor Value Figure 3 ...
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U U APPLICATIONS INFORMATION Hysteresis Hysteresis can be added to the LTC1540 by connecting a resistor (R1) between the REF and HYST pins and a second resistor (R2) from HYST to V The difference between the upper and lower threshold ...
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LTC1540 U TYPICAL APPLICATIONS 3.3V Output Low Dropout Linear Regulator The LTC1540 can be connected as a micropower (I 5.5µ 5V) low dropout linear regulator (Figure 7). IN When the output is low, Q1 turns on, allowing ...
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U TYPICAL APPLICATIONS Low-Battery Detect Figure 9 shows how to use the LTC1540 for a low-battery detect, drawing only 1.4µ BAT powered by a 2-cell NiCd battery. The V low as 1.6V when the batteries are completely depleted. ...
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LTC1540 PACKAGE DESCRIPTION 3.5 ±0.05 1.65 ±0.05 2.15 ±0.05 (2 SIDES) 0.28 ± 0.05 0.50 BSC 2.38 ±0.05 (2 SIDES) RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS 0.889 ± 0.127 (.035 ± .005) 5.23 3.2 – 3.45 (.206) (.126 – .136) ...
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... MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED .006" (0.15mm) 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 and Output Op Amp LT1521 300mA Low Dropout Regulator with Micropower Quiescent Current and Shutdown LT1634 Micropower Precision Shunt Voltage Reference C-Load is a trademark of Linear Technology Corporation. Linear Technology Corporation 12 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 ● ...