TPS53313 Series

4.5-V to 16-V, 6-A synchronous buck converter with optimized light load efficiency

Catalog(1 parts)

Part	Supplier Device Package	Voltage - Input (Max)▲▼	Voltage - Output (Max)▲▼	Package / Case	Voltage - Input (Min)▲▼	Synchronous Rectifier▲▼	Frequency - Switching▲▼	Frequency - Switching▲▼	Output Configuration	Function	Topology	Voltage - Output (Min/Fixed)▲▼	Current - Output▲▼	Output Type	Mounting Type	Operating Temperature▲▼	Operating Temperature▲▼	Number of Outputs▲▼
Texas Instruments TPS53313RGER Buck Switching Regulator IC Positive Adjustable 0.6V 1 Output 6A 24-VFQFN Exposed Pad	24-VQFN (4x4)	16 V	11.199999809265137 V	24-VFQFN Exposed Pad	4.5 V		250000 Hz	1500000 Hz	Positive	Step-Down	Buck	0.6000000238418579 V	6 A	Adjustable	Surface Mount	85 °C	-40 °C	1 ul

Key Features

• 4.5-V to 16-V Conversion Voltage RangeAdjustable Output Voltage Ranging from 0.6 V to 0.7 × VINContinuous 6-A Output CurrentSupports All MLCC Output CapacitorsSelectable SKIP Mode or Forced CCMSelectable Soft-Start Time (1 ms, 3 ms, or 6 ms)Selectable 4-5 A, 6-A or 9-A Peak Current LimitOptimized Efficiency at Light and Heavy LoadsVoltage Mode ControlProgrammable Switching Frequency from 250 kHz to 1.5 MHzSynchronizes to External ClockRDS(on)Sensing for Zero Crossing Detection and Overcurrent ProtectionSoft-Stop Output Discharge During DisableOvercurrent, Overvoltage, and Undervoltage Protection With HiccupOvertemperature ProtectionOpen-Drain, Power Good IndicationInternal Bootstrap Switch4 mm × 4 mm, 24-Pin VQFN PackageAll trademarks are the property of their respective owners.4.5-V to 16-V Conversion Voltage RangeAdjustable Output Voltage Ranging from 0.6 V to 0.7 × VINContinuous 6-A Output CurrentSupports All MLCC Output CapacitorsSelectable SKIP Mode or Forced CCMSelectable Soft-Start Time (1 ms, 3 ms, or 6 ms)Selectable 4-5 A, 6-A or 9-A Peak Current LimitOptimized Efficiency at Light and Heavy LoadsVoltage Mode ControlProgrammable Switching Frequency from 250 kHz to 1.5 MHzSynchronizes to External ClockRDS(on)Sensing for Zero Crossing Detection and Overcurrent ProtectionSoft-Stop Output Discharge During DisableOvercurrent, Overvoltage, and Undervoltage Protection With HiccupOvertemperature ProtectionOpen-Drain, Power Good IndicationInternal Bootstrap Switch4 mm × 4 mm, 24-Pin VQFN PackageAll trademarks are the property of their respective owners.

Description

TPS53313 provides a 5-V or 12-V synchronous buck converter that integrates two N-Channel MOSFETs. Due to low RDS(on)and TI proprietary SmoothPWM skip mode of operation, it optimizes the efficiency at light-load condition without compromising the output voltage ripple. The TPS53313 features programmable (from 250 kHz to 1.5 MHz) switching frequency with selectable skip mode or forced CCM mode operation. The device provides prebiased startup, soft-stop, integrated bootstrap switch, power good function, and EN/input UVLO protection. It supports input voltages from 4.5 V to 16 V and no extra bias voltage is needed. The output voltage is adjustable from 0.6 V up to 0.7 × VIN. The TPS53313 is available in a 4 mm × 4 mm, 24-pin VQFN package (Green RoHs compliant and Pb free) and operates from –40°C to 85°C. TPS53313 provides a 5-V or 12-V synchronous buck converter that integrates two N-Channel MOSFETs. Due to low RDS(on)and TI proprietary SmoothPWM skip mode of operation, it optimizes the efficiency at light-load condition without compromising the output voltage ripple. The TPS53313 features programmable (from 250 kHz to 1.5 MHz) switching frequency with selectable skip mode or forced CCM mode operation. The device provides prebiased startup, soft-stop, integrated bootstrap switch, power good function, and EN/input UVLO protection. It supports input voltages from 4.5 V to 16 V and no extra bias voltage is needed. The output voltage is adjustable from 0.6 V up to 0.7 × VIN. The TPS53313 is available in a 4 mm × 4 mm, 24-pin VQFN package (Green RoHs compliant and Pb free) and operates from –40°C to 85°C.