LTC2905CDDB#PBF Linear Technology, LTC2905CDDB#PBF Datasheet
LTC2905CDDB#PBF
Specifications of LTC2905CDDB#PBF
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LTC2905CDDB#PBF Summary of contents
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... Handheld Devices n Network Servers n Core, I/O Monitor L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners. TYPICAL APPLICATION 5V, 3.3V Dual Supply Monitor with 5% Tolerance 5V DC/DC 3 ...
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LTC2904/LTC2905 ABSOLUTE MAXIMUM RATINGS Terminal Voltages V1, V2 ...................................................... –0. S1, S2, TOL ...............................–0. RST .......................................................... –0. RST (LTC2904) ........................................ –0. TMR (LTC2905) ....................................... –0. PIN CONFIGURATION TOP VIEW GND ...
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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi cations are at T (Notes 2, 3) SYMBOL PARAMETER V 5V, 5% Reset Threshold RT50 5V, 7.5% Reset Threshold 5V, 10% Reset Threshold V 3.3V, 5% Reset Threshold RT33 3.3V, 7.5% Reset Threshold 3.3V, ...
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LTC2904/LTC2905 TYPICAL PERFORMANCE CHARACTERISTICS Specifi cations are 25°C unless otherwise noted Threshold Voltage vs Temperature 4.75 4.70 5% 4.65 4.60 7.5% 4.55 4.50 4.45 10% 4.40 4.35 –50 – TEMPERATURE ( ...
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TYPICAL PERFORMANCE CHARACTERISTICS Specifi cations are 25°C unless otherwise noted Temperature TOL = 1.4V 19.5 19.0 18.5 18.0 17.5 17.0 –50 –25 ...
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LTC2904/LTC2905 TYPICAL PERFORMANCE CHARACTERISTICS Specifi cations are 25°C unless otherwise noted. A RST Output Voltage Low ( RST Pull-Down Current (I ) RST 1 1 ...
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PIN FUNCTIONS (TS8 Package/DDB8 Package) V2 (Pin 1/Pin 4): Voltage Input 2. Input for V2 monitor. Select from 3.3V, 2.5V, 1.8V, 1.5V, 1.2V or 1.0V. Refer to Table 1 for details. The greater of V1 also the internal ...
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LTC2904/LTC2905 BLOCK DIAGRAM LTC2905 POWER DETECT V2 BAND GAP REFERENCE TIMING DIAGRAM V RTX V X RST RST 8 – + RESISTOR NETWORK – + THREE-STATE DECODER Monitor Timing RST UV ...
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APPLICATIONS INFORMATION Supply Monitoring The LTC2904/LTC2905 are low power, high accuracy dual supply monitors with a common reset output and selectable thresholds. Reset delay is set to a nominal of 200ms for the LTC2904 and is adjustable using an external ...
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LTC2904/LTC2905 APPLICATIONS INFORMATION Threshold Accuracy Reset threshold accuracy is of the utmost importance in a supply sensitive system. Ideally such a system should not reset while supply voltages are within a specifi ed margin below the rated nominal level. Both ...
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APPLICATIONS INFORMATION Figure 1 shows the desired delay time as a function of the value of the timer capacitor that should be used: 10000 1000 100 10 1 0.1 10p 100p 1n 10n C (FARAD) TMR Figure 1. Reset Time-Out ...
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LTC2904/LTC2905 APPLICATIONS INFORMATION The on-resistance as a function of the V voltage (for V > 1V) at room temperature is estimated CC as follows • = Ω MAX – 1 ...
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TYPICAL APPLICATIONS DC/DC CONVERTER SUPPLY CONTROLLER THREE-STATE 3.3V, 1.2V Dual Supply Monitor with Asymmetric Hysteresis, 5% Tolerance (Supplies Rising), 10% Tolerance (After RST Goes Low) 5V, 3.3V Dual Supply Monitor with Voltage Margining for Automated On-Board Testing 5V 3.3V V1 ...
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LTC2904/LTC2905 PACKAGE DESCRIPTION 0.61 0.05 (2 SIDES) 2.50 0.05 1.15 0.05 0.25 0.05 RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS PIN 1 BAR TOP MARK (SEE NOTE 6) 0.200 REF NOTE: 1. DRAWING CONFORMS TO VERSION (WECD-1) IN JEDEC PACKAGE OUTLINE ...
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... JEDEC PACKAGE REFERENCE IS MO-193 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 representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights. TS8 Package ...
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... Tolerances, 8-Lead SOT-23 and DFN Packages 0.5V Adjustable Threshold, Adjustable RESET Timer and Three Supply Tolerances, 8-Lead SOT-23 and DFN Packages Ultra Low Voltage RESET, 8-Lead SOT-23 and DFN Packages LT 0308 REV C • PRINTED IN USA © LINEAR TECHNOLOGY CORPORATION 2003 29045fc ...