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LT1580CQ Datasheet(PDF) 5 Page - Linear Technology |
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LT1580CQ Datasheet(HTML) 5 Page - Linear Technology |
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5 / 16 page  5 LT1580/LT1580-2.5 TYPICAL PERFORMANCE CHARACTERISTICS TEMPERATURE ( °C) –50 –25 150 1580 G05 0 25 75 125 50 100 2.508 2.506 2.504 2.502 2.500 2.498 2.496 2.494 2.492 TEMPERATURE ( °C) –50 –25 150 1580 G04 0 25 75 125 50 100 1.258 1.256 1.254 1.252 1.250 1.248 1.246 1.244 1.242 LT1580 Reference Voltage vs Temperature 400mA LT1580-2.5 Output Voltage vs Temperature 7A VOUT 50mV/DIV LOAD 50 µs/DIV 1580 TA02 Load Current Step Response PIN FUNCTIONS (5-Lead/7-Lead) SENSE (Pin 1): This pin is the positive side of the reference voltage for the device. With this pin it is possible to Kelvin sense the output voltage at the load. ADJ (Pin 2/5): This pin is the negative side of the reference voltage for the device. Transient response can be improved by adding a small bypass capacitor from the ADJ pin to ground. For fixed voltage devices the ADJ pin is also brought out to allow the user to add a bypass capacitor. GND (Pin 2, 7-Lead Only): For fixed voltage devices this is the bottom of the resistor divider that sets the output voltage. VPOWER (Pin 5/6): This is the collector to the power device of the LT1580. The output load current is supplied through this pin. For the device to regulate, the voltage at this pin must be between 0.1V and 0.8V greater than the output voltage (see Dropout specifications). VCONTROL (Pin 4/3): This pin is the supply pin for the control circuitry of the device. The current flow into this pin will be about 1% of the output current. For the device to regulate, the voltage at this pin must be between 1.0V and 1.3V greater than the output voltage (see Dropout specifications). VOUT (Pin 3/4): This is the power output of the device. |
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Similar Description - LT1580CQ |
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