LTC4411 Linear Technology, LTC4411 Datasheet
LTC4411
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LTC4411 Summary of contents
Page 1
... An active-high control pin turns off the LTC4411 and reduces current consumption to less than 25 A. When shut off, the LTC4411 indicates this condition with a low voltage on the status signal. , LTC and LT are registered trademarks of Linear Technology Corporation. ThinSOT and PowerPath are trademarks of Linear Technology Corporation. ...
Page 2
... – HYST < 3.6V 1.5V OUT IN CTL V = 3.6V (Note 3.6V 1.8A IN OUT www.DataSheet4U.com U W ORDER PART NUMBER LTC4411ES5 5 OUT 4 STAT S5 PART MARKING = 250 C/W (Note 3) JA LTAEN MIN TYP MAX 2.6 5.5 40 1.3 1.8 2 – 100 140 140 245 2 ...
Page 3
... T Note 1: Absolute Maximum Ratings are those values beyond which the life of a device may be impaired. Note 2: The LTC4411E is guaranteed to meet performance specifications from Specifications over the – ambient operating temperature range are assured by design, characterization and correlation with statistical process controls ...
Page 4
... May be left floating or grounded when not in use. OUT (Pin 5): Ideal Diode Cathode and Output of the LTC4411. Bypass OUT with a nominal 1m ESR capacitor of at least 4.7 F. The LTC4411 is stable with ESRs down to 0.2m . However stability improves with higher ESRs. www.DataSheet4U.com I ...
Page 5
... The LTC4411 operation is described with the aid of Figure 3. Forward regulation for the LTC4411 has three operation modes depending on the magnitude of the load current. For small load currents, the LTC4411 will provide a constant voltage drop; this operating mode is referred to as “constant V ” regulation. As the current exceeds I ...
Page 6
... With initial application of the battery, the load will be charged up as the LTC4411 turns on. The LTC4411 will control the gate voltage of its internal MOSFET to reduce the MOSFETs voltage drop to a low forward voltage (V www ...
Page 7
... Schottky diode will pull up the output voltage, connected to the load, above the battery voltage. The LTC4411 will sense that the output voltage is higher than the battery voltage and will turn off the internal MOSFET. The STAT pin will then sink current indicating an auxiliary input is connected ...
Page 8
... When the CTL pin is a logical low, the LTC4411 will turn on, supplying current to the load. When the CTL pin is a logical high, the LTC4411 will turn off and deny power to the load. If the load is powered from another (higher voltage) source, the supply connected to V remains disconnected from the load ...