LT6109IMS-1#TRPBF Linear Technology, LT6109IMS-1#TRPBF Datasheet

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... The LT6109 is available in a small 10-lead MSOP . L, LT, LTC, LTM, TimerBlox, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. ...

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... Maximum Junction Temperature .......................... 150°C Storage Temperature Range .................. –65°C to 150°C Lead Temperature (Soldering, 10 sec) ................... 300°C ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL LT6109IMS-1#PBF LT6109IMS-1#TRPBF LT6109HMS-1#PBF LT6109HMS-1#TRPBF LT6109IMS-2#PBF LT6109IMS-2#TRPBF LT6109HMS-2#PBF LT6109HMS-2#TRPBF Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. ...

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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are 10k, gain = 100, R OUT SYMBOL PARAMETER + V Supply Voltage Range I Supply Current (Note 4) S Supply Current in Shutdown ...

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LT6109-1/LT6109-2 ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are 10k, gain = 100, R OUT SYMBOL PARAMETER Reference and Comparator V Rising Input Threshold Voltage TH(R) (Note 10) (LT6109-1 Comparator 1 ...

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TYPICAL PERFORMANCE CHARACTERISTICS + + V = 12V 2.7V, R PULLUP EN/RST otherwise noted. (See Figure 3) Supply Current vs Supply Voltage 700 600 500 400 300 200 100 ...

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LT6109-1/LT6109-2 TYPICAL PERFORMANCE CHARACTERISTICS + + V = 12V 2.7V, R PULLUP EN/RST otherwise noted. (See Figure 3) Power Supply Rejection Ratio vs Frequency 160 140 120 100 ...

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TYPICAL PERFORMANCE CHARACTERISTICS + + V = 12V 2.7V, R PULLUP EN/RST otherwise noted. (See Figure 3) Comparator Threshold Distribution 396.4 397.6 398.8 400.0 401.2 402.4 403.6 COMPARATOR ...

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LT6109-1/LT6109-2 TYPICAL PERFORMANCE CHARACTERISTICS + + V = 12V 2.7V, R PULLUP EN/RST otherwise noted. (See Figure 3) Comparator Output Leakage Current vs Pull-Up Voltage 23 18 125° –40°C AND 25°C ...

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PIN FUNCTIONS INC2 (Pin 7): Input of Comparator 2. For the LT6109-1 this is the noninverting input of comparator 2. For the LT6109-2 this is the inverting input of comparator 2. The other comparator input is internally connected to the ...

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LT6109-1/LT6109-2 BLOCK DIAGRAMS LT6109-2 SENSEHI 10 SENSELO 1 EN/RST 2 OUTC2 3 OUTC1 4 Figure 2. LT6109-2 Block Diagram (Comparators with the Same Polarity) APPLICATIONS INFORMATION The LT6109 high side current sense amplifier provides accurate monitoring of currents through an ...

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APPLICATIONS INFORMATION The output current can be transformed back into a voltage by adding a resistor from OUTA to V The output voltage is then: – • R OUT OUTA OUT where ...

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LT6109-1/LT6109-2 APPLICATIONS INFORMATION V SUPPLY + R V SENSE SENSE – LOAD I = SENSE V V PULLUP R C UNDERCURRENT FLAG OVERCURRENT FLAG Selection of External Input Resistor should be chosen to allow the ...

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APPLICATIONS INFORMATION to place R and R such that the gain error due to the IN OUT thermal gradient is minimized. Selection of External Output Resistor, R The output resistor determines how the output cur- OUT rent is ...

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LT6109-1/LT6109-2 APPLICATIONS INFORMATION + LT6109 V BATT SENSEHI – R SENSE 1 SENSELO + + R IN – SENSE 5 + Figure 5. R Reduces Error Due Output ...

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APPLICATIONS INFORMATION above the positive supply to 33V below it. These operat- ing voltages are limited by internal diode clamps shown in Figures 1 and 2. On supplies less than 35.5V, the lower – range is limited ...

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LT6109-1/LT6109-2 APPLICATIONS INFORMATION If the output current is very low and an input transient occurs, there may be an increased delay before the output voltage begins to change. The Typical Performance Characteristics show that this delay is short and it ...

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APPLICATIONS INFORMATION where I and I are the over and under currents OVER UNDER through the sense resistor which cause the comparators to trip the maximum current through the sense MAX resistor. Depending on the desired maximum amplifier ...

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LT6109-1/LT6109-2 APPLICATIONS INFORMATION The desired trip points and full-scale analog output voltage for the circuit in Figure 13 can be achieved as follows: 400mV R1= I OVER ( ) V – MAX MAX MAX ( ...

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APPLICATIONS INFORMATION R3 should be chosen to allow sufficient V tor output rise time due to capacitive loading. R2 can be calculated R1• V – 400mV – V HYS(EXTRA HYS(EXTRA) For very large ...

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LT6109-1/LT6109-2 APPLICATIONS INFORMATION R1 should be chosen such that R1 >> that V does not change significantly when the comparator trips. R3 should be chosen to allow sufficient V tor output rise time due to capacitive loading. R2 ...

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APPLICATIONS INFORMATION When the EN/RST pin is transitioned from low to high to enable the part, the amplifier output PMOS can turn on momentarily causing current to flow into the SENSEHI pin and out of the OUTA pin. Once the ...

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LT6109-1/LT6109-2 APPLICATIONS INFORMATION 12V R IN 100 SENSE 50m LOAD 10k 4 2 Note that since the amplifier gain error is specified with 100Ω it can be represented ...

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APPLICATIONS INFORMATION Drift of External Resistors: The drift of R1 and R affects the accuracy of the trip point. Using resistors with a drift of 50ppm/°C results in the following error: ppm • 100° • 50 °C ...

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LT6109-1/LT6109-2 TYPICAL APPLICATIONS 12 LITHIUM 40V CELL STACK + 10µ 0.1µF 13.3k + The comparators monitor for overcurrent and undervolt- age conditions. If either fault condition is detected the battery will immediately be disconnected from the load. ...

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TYPICAL APPLICATIONS TYPICAL APPLICATIONS SENSEHI SENSELO + V OUTA LT6109 RESET EN/RST INC2 OUTC2 OUTC1 INC1 – V The figure shows a simplified DC motor control circuit. The circuit controls motor current, which is proportional to motor torque; the LT6109 ...

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LT6109-1/LT6109-2 TYPICAL APPLICATIONS R8 100k 1 SECOND DELAY 10µs RESET PULSE ON START-UP TRIG OUT C1 LTC6994-1 0.1µF + GND SET DIV 191k 681k 487k 26 Precision Power-On Reset Using a TimerBlox 5V LT6109-1 ...

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... LEAD COPLANARITY (BOTTOM OF LEADS AFTER FORMING) SHALL BE 0.102mm (.004") MAX 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. ...

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... Offset, Resistor Set Gain, SOT-23 2.7V to 36V, –55°C to 150°C, Fully Tested: –55°C, 25°C, 150°C 1.4V to 18V, 6.5µA Supply Current www.linear.com ● 0.1µ REF COMP + IN LTC2470 TO MCU 6109 TA05 LT 0611 • PRINTED IN USA  LINEAR TECHNOLOGY CORPORATION 2011 610912f ...