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Quick Start Manual

Linear Technology 789, Quick Start Manual

The Fluke 789 Quick Reference Manual is a comprehensive and indispensable tool for users of the Fluke 789 Multimeter. This manual provides detailed instructions, troubleshooting tips, and helpful insights to ensure optimal performance. Download it for free from our website manualshive.com and enhance your experience with this incredible product.

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QUICK START GUIDE FOR DEMONSTRATION CIRCUIT 789

SINGLE CELL LI-ION BATTERY CHARGER WITH COMPARATOR

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Summary of Contents for 789

Page 1: ...voltage or an external voltage for the comparator input Terminals are provided for the comparator input and output shutting down the charger monitoring charge current and programming the minimum charge current level for termination IDETECT Two LEDs are included one indicates when the charge current has dropped below the minimum charge current termination level and the second indicates the comparat...

Page 2: ...e Current Idetect Current Charge Current Idetect Current C 1A 100mA 500mA 50mA HIGH C 5 200mA 100mA 100mA 50mA C 500mA 100mA 250mA 25mA LOW C 5 100mA 100mA 50mA 25mA The CHRG LED always indicates the presence of charge current that is greater than the IDETECT cur rent level that is selected by the IDET jumper JP4 The LED is on for charge current greater than IDET regardless of the termination meth...

Page 3: ...M to the BAT and GND termi nals to measure battery voltage Begin increasing the input supply voltage up to 5V At approximately 3 8V undervoltage lockout threshold the CHRG LED will turn on and the preconditioning trickle charge of 100mA 10 of the programed current will begin flowing The COMP LED will be off be cause the battery voltage is below 2 910V Adjust the battery simulator power supply to 3...

Page 4: ...the ENABLE terminal When the minimum charge current termination method is used and no battery is present a sawtooth waveform of several hundred mV p p will appear at the charger output This is a function of the output capacitor and the charger output voltage cycling between the recharge threshold voltage and the float voltage The sawtooth frequency is de pendant on the value of the output capacito...

Page 5: ...QUICK START GUIDE FOR DEMONSTRATION CIRCUIT 789 SINGLE CELL LI ION BATTERY CHARGER WITH COMPARATOR 5 Figure 1 Demo Circuit Hookup and Jumper Information ...

Page 6: ...QUICK START GUIDE FOR DEMONSTRATION CIRCUIT 789 SINGLE CELL LI ION BATTERY CHARGER WITH COMPARATOR 6 ...

Page 7: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Analog Devices Inc DC789A ...

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