ltc2950iddb-2-trpbf Linear Technology Corporation, ltc2950iddb-2-trpbf Datasheet
ltc2950iddb-2-trpbf
Related parts for ltc2950iddb-2-trpbf
ltc2950iddb-2-trpbf Summary of contents
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... The parts are available in either 8-lead 3mm × 2mm DFN or ThinSOT packages. 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 ...
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LTC2950-1/LTC2950-2 ABSOLUTE MAXIMUM RATINGS Supply Voltage (V ) ..................................– 0.3V to 33V IN Input Voltages PB ............................................................– 33V ONT ......................................................– 0.3V to 2.7V OFFT ......................................................– 0.3V to 2.7V KILL .........................................................– 0. Output Voltages INT .........................................................– 0.3V ...
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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi cations are at T SYMBOL PARAMETER V Supply Voltage Range Supply Current Undervoltage Lockout UVL Undervoltage Lockout UVL(HYST) IN Hysteresis Push Button Pin (PB) ...
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LTC2950-1/LTC2950-2 TYPICAL PERFORMANCE CHARACTERISTICS Supply Current vs Temperature 26 – –25 TEMPERATURE (°C) 2950 G01 Turn On Debounce Time ...
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TYPICAL PERFORMANCE CHARACTERISTICS PB Voltage vs External PB Resistance to Ground 300 V = 3.3V IN 250 200 150 100 EXTERNAL PB RESISTANCE TO GROUND (kΩ) EN (LTC2950-1) Voltage 25°C A ...
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LTC2950-1/LTC2950-2 PIN FUNCTIONS (TSOT-23/DFN) V (Pin 1/Pin 4): Power Supply Input: 2.7V to 26.4V (Pin 2/Pin 3): Push Button Input. Connecting PB to ground through a momentary switch provides on/off control via the EN/EN pin. An internal 100k ...
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BLOCK DIAGRAMS V IN REGULATOR 2.7V TO 26.4V 2.4V 100k PB 0.8V GND TIMING DIAGRAMS 2.4V OSCILLATOR LOGIC DEBOUNCE OSCILLATOR ONT t KILL(PW) KILL t KILL(PD) EN/EN LTC2950-1/LTC2950-2 0.6V 2950 BD OFFT 2950 TD01 EN/EN KILL INT 295012fb 7 ...
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LTC2950-1/LTC2950-2 TIMING DIAGRAMS (LTC2950-1) (LTC2950-2) OFFT (LTC2950-1) (LTC2950- & KILL IGNORED DB, ON ONT KILL, ON BLANK 16 CYCLES EN EN Power On Timing PB PB IGNORED t t DB, OFF OFFT 16 CYCLES ...
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APPLICATIONS INFORMATION Description The LTC2950 is a low power (6μA), wide input voltage range (2.7V to 26.4V), push button on/off controller that can interface to a μP and a power supply. The turn-on and turn-off debounce times are extendable using ...
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LTC2950-1/LTC2950-2 APPLICATIONS INFORMATION DB, ON ONT ONT OFFT INT KILL EN Figure 1. Simplifi ed Power On/Off Sequence for LTC2950-1 POWER & KILL IGNORED ...
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APPLICATIONS INFORMATION Aborted Power On Sequence The power on sequence is aborted when the KILL remains low after the end of the 512ms blanking time. Figure simplifi ed version of an aborted power on sequence. since KILL ...
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LTC2950-1/LTC2950-2 APPLICATIONS INFORMATION The following equations describe the turn on and turn off times. C and C are the external programming ONT OFFT capacitors 32ms + 1ms + (6.7x10 BD,ON ONT 32ms ...
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TYPICAL APPLICATIONS pull-up voltage that are wider than 30μs and transition below 0.6V, then an appropriate bypass capacitor should be connected to the KILL pin. Power Path Switching The EN open drain output of the LTC2950-2 is designed to switch ...
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LTC2950-1/LTC2950-2 TYPICAL APPLICATIONS the PB board trace, however, will affect the open circuit voltage on the PB pin. If the leakage is too large (>2μA), the PB voltage may fall close to the threshold window. To mitigate the effect of ...
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... MOLD FLASH SHALL NOT EXCEED 0.254mm 6. 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 representation that the interconnection of its circuits as described herein will not infringe on existing patent rights. TS8 Package ...
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... No External MOSFET, Automatic Switching Between DC Sources Effi cient Diode-ORing, Automatic Switching Between DC Sources 36V Automatic Switchover, Charges 1-Cell Li-Ion Batteries www.linear.com ● V OUT 1.8V R1 10k INT μP KILL 2950 F10 LT 0208 REV B • PRINTED IN USA © LINEAR TECHNOLOGY CORPORATION 2008 295012fb ...