Datasheet Texas Instruments TPS53124PW — 数据表

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SLUS825C – FEBRUARY 2008 – REVISED AUGUST 2014 TPS53124 Dual Synchronous Step-Down Controller
For Low-Voltage Power Rails
1 Features 3 Description The TPS53124 is a dual, Adaptive on-time DCAPв„ў
mode synchronous controller. The part enables
system designers to cost effectively complete the
suite of digital TV power bus regulators with the
absolute lowest external component count and lowest
standby consumption. The main control loop for the
TPS53124 uses the D-CAPв„ў mode that optimized
for low ESR output capacitors such as POSCAP or
SP-CAP promises fast transient response with no
external compensation. The part provides a
convenient and efficient operation with conversion
voltages from 4.5 V to 24 V and output voltage from
0.76 V to 5.5 V. 1 High Efficiency, Low-Power Consumption
D-Cap Mode Enables Fast Transient Response
High Initial Reference Accuracy …