TPS54527 Series

4.5V to 18V Input, 5-A Synchronous Step-Down Converter

Catalog

4.5V to 18V Input, 5-A Synchronous Step-Down Converter

Part	Topology	Output Configuration	Number of Outputs	Output Type	Package / Case [y]	Package / Case [x]	Package / Case	Supplier Device Package	Mounting Type	Current - Output	Frequency - Switching	Voltage - Output (Min/Fixed)	Voltage - Input (Min) [Min]	Voltage - Input (Max) [Max]	Operating Temperature [Max]	Operating Temperature [Min]	Function	Supplied Contents	Main Purpose	Voltage - Output	Utilized IC / Part	Regulator Topology	Outputs and Type	Outputs and Type	Board Type	Voltage - Input [Max]	Voltage - Input [Min]
Texas Instruments TPS54527DDA	Buck	Positive	1	Adjustable	3.9 mm	0.154 in	8-PowerSOIC	8-SO PowerPad	Surface Mount	5 A	650 kHz	0.76 V	4.5 V	18 V	85 °C	-40 °C	Step-Down
Texas Instruments TPS54527DDAR	Buck	Positive	1	Adjustable	3.9 mm	0.154 in	8-PowerSOIC	8-SO PowerPad	Surface Mount	5 A	650 kHz	0.76 V	4.5 V	18 V	85 °C	-40 °C	Step-Down
Texas Instruments TPS54527EVM-052										5 A	650 kHz							Board(s)	DC/DC Step Down	1.05 V	TPS54527	Buck	Non-Isolated	1	Fully Populated	18 V	4.5 V

Catalog

4.5V to 18V Input, 5-A Synchronous Step-Down Converter

Key Features

• D-CAP2™ Mode Enables Fast Transient ResponseLow Output Ripple and Allows Ceramic Output CapacitorWide Input Voltage Range: 4.5 V to 18 VOutput Voltage Range: 0.76 V to 6 VHighly Efficient Integrated FETs Optimized for Lower Duty Cycle Applications: 65 mΩ (High Side) and 36 mΩ (Low Side)High Efficiency: Less Than 10 µA at ShutdownHigh Initial Bandgap Reference AccuracyAdjustable Soft StartPrebiased Soft Start650-kHz Switching FrequencyCycle-by-Cycle Overcurrent LimitD-CAP2™ Mode Enables Fast Transient ResponseLow Output Ripple and Allows Ceramic Output CapacitorWide Input Voltage Range: 4.5 V to 18 VOutput Voltage Range: 0.76 V to 6 VHighly Efficient Integrated FETs Optimized for Lower Duty Cycle Applications: 65 mΩ (High Side) and 36 mΩ (Low Side)High Efficiency: Less Than 10 µA at ShutdownHigh Initial Bandgap Reference AccuracyAdjustable Soft StartPrebiased Soft Start650-kHz Switching FrequencyCycle-by-Cycle Overcurrent Limit

Description

The TPS54527 is an adaptive on-time D-CAP2 mode synchronous buck converter. The TPS54527 enables system designers to complete the suite of various end equipment’s power bus regulators with a cost effective, low component count, low standby current solution. The main control loop for the TPS54527 uses the D-CAP2 mode control which provides a fast transient response with no external compensation components. The TPS54527 also has a proprietary circuit that enables the device to adopt to both low equivalent series resistance (ESR) output capacitors, such as POSCAP or SP-CAP, and ultra-low ESR ceramic capacitors. The device operates from a 4.5-V to 18-V input. The output voltage can be programmed from 0.76 V to 6 V. The device also features an adjustable soft-start time. The TPS54527 is available in the 8-pin DDA package, and designed to operate from –40°C to 85°C. The TPS54527 is an adaptive on-time D-CAP2 mode synchronous buck converter. The TPS54527 enables system designers to complete the suite of various end equipment’s power bus regulators with a cost effective, low component count, low standby current solution. The main control loop for the TPS54527 uses the D-CAP2 mode control which provides a fast transient response with no external compensation components. The TPS54527 also has a proprietary circuit that enables the device to adopt to both low equivalent series resistance (ESR) output capacitors, such as POSCAP or SP-CAP, and ultra-low ESR ceramic capacitors. The device operates from a 4.5-V to 18-V input. The output voltage can be programmed from 0.76 V to 6 V. The device also features an adjustable soft-start time. The TPS54527 is available in the 8-pin DDA package, and designed to operate from –40°C to 85°C.