The TPS5615 family of synchronous-buck regulator controllers provides an accurate supply voltage to DSPs. The output voltage is internally set by a resistive divider with an accuracy of 1% over the full operating temperature range. A hysteretic controller with user-selectable hysteresis is used to dramatically reduce overshoot and undershoot caused by load transients. Propagation delay from the comparator inputs to the output drivers is less than 250 ns.
±1% Reference Over Full Operating Temperature Range
Synchronous Rectifier Driver for >90% Efficiency
Fixed Output Voltage Options of 1.5 V, 1.8 V, 2.5 V, and 3.3 V
User-Selectable Hysteretic-Type Control
Low Supply Current . . . 3 mA Typ
11.4-V to 13-V Input Voltage Range, VCC
Power Good Output
Active Deadtime Control
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