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TPS560200DBVR Datasheet(PDF) 9 Page - Texas Instruments

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No. de Pieza. TPS560200DBVR
Descripción  4.5-V to 17-V Input, 500-mA Synchronous Step-Down Converter
Descarga  22 Pages
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Fabricante  TI1 [Texas Instruments]
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TPS560200DBVR Datasheet(HTML) 9 Page - Texas Instruments

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Feature Description (continued)
When the overcurrent condition is removed, the output voltage returns to the regulated value.
7.3.6 Thermal Shutdown
TPS560200 monitors the temperature of itself. If the temperature exceeds the threshold value (typically 170°C),
the device is shut off. This is nonlatch protection.
7.4 Device Functional Modes
7.4.1 Normal Operation
When the input voltage is above the UVLO threshold and the EN voltage is above the enable threshold, the
TPS560200 can operate in its normal switching modes. Normal continuous conduction mode (CCM) occurs when
the minimum switch current is above 0 A. In CCM, the TPS560200 operates at a quasi-fixed frequency of 600
7.4.2 Eco-Mode Operation
When the TPS560200 is in the normal CCM operating mode and the switch current falls to 0 A, the TPS560200
begins operating in pulse-skipping Eco-Mode. Each switching cycle is followed by a period of energy-saving
sleep time. The sleep time ends when the VFB voltage falls below the Eco-Mode threshold voltage. As the output
current decreases the perceived time between switching pulses increases.
7.4.3 Standby Operation
When the TPS560200 is operating in either normal CCM or Eco-Mode, it may be placed in standby by asserting
the EN pin low.

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