TPS56838RPAR

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Texas Instruments

4.5V TO 28V INPUT, 8A SYNCHRONOUS BUCK CONVERTER WITH FCCM OPERATION

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DocumentsDatasheet TPS5683x 4.5V to 28V Input, 8A Synchronous Buck Converter datasheet (Rev. B)

TPS56838RPAR

Active

Texas Instruments

4.5V TO 28V INPUT, 8A SYNCHRONOUS BUCK CONVERTER WITH FCCM OPERATION

Deep-Dive with AI

DocumentsDatasheet TPS5683x 4.5V to 28V Input, 8A Synchronous Buck Converter datasheet (Rev. B)

Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	TPS56838RPAR

Current - Output	8 A
Frequency - Switching	800 kHz, 1.2 MHz, 500 kHz
Function	Step-Down
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature [Max]	150 C
Operating Temperature [Min]	-40 °C
Output Configuration	Positive
Output Type	Adjustable
Package / Case	10-PowerVFQFN
Supplier Device Package	10-VQFN-HR (3x3)
Synchronous Rectifier	True
Topology	Buck
Voltage - Input (Max) [Max]	28 V
Voltage - Input (Min) [Min]	4.5 V
Voltage - Output (Max) [Max]	13 V
Voltage - Output (Min/Fixed)	0.6 V

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

DigiKey	N/A	1	$ 2.44
		10	$ 1.81
		25	$ 1.66
		100	$ 1.48
		250	$ 1.40
		500	$ 1.35
		1000	$ 1.31
		2500	$ 1.27
		5000	$ 1.15
Digikey	Cut Tape (CT)	1	$ 2.74
		10	$ 2.46
		25	$ 2.32
		100	$ 1.98
		250	$ 1.86
		500	$ 1.63
		1000	$ 1.35
		2500	$ 1.25
	Digi-Reel®	1	$ 2.74
		10	$ 2.46
		25	$ 2.32
		100	$ 1.98
		250	$ 1.86
		500	$ 1.63
		1000	$ 1.35
		2500	$ 1.25
	Tape & Reel (TR)	5000	$ 1.21
Mouser Electronics	N/A	1	$ 2.44
		10	$ 1.66
		100	$ 1.49
		250	$ 1.41
		500	$ 1.36
		1000	$ 1.32
		2500	$ 1.26
		5000	$ 1.15
Texas Instruments	LARGE T&R	1	$ 2.06
		100	$ 1.70
		250	$ 1.22
		1000	$ 0.92

TPS56838 Series

4.5V to 28V input, 8A synchronous buck converter with FCCM operation

Part	Voltage - Output (Max) [Max]	Output Configuration	Synchronous Rectifier	Voltage - Input (Max) [Max]	Function	Voltage - Output (Min/Fixed)	Package / Case	Operating Temperature [Max]	Operating Temperature [Min]	Current - Output	Frequency - Switching	Output Type	Topology	Supplier Device Package	Number of Outputs	Voltage - Input (Min) [Min]	Mounting Type
Texas Instruments TPS56838RPAR The TPS5683x is a high-efficiency, easy-to-use, synchronous buck converter with a wide input voltage range of 4.5V to 28V. The device supports up to 8A continuous output current at output voltages between 0.6V and 13V. The TPS5683x uses D-CAP3 control mode to provide fast transient response, good line and load regulation, no requirement for external compensation, and supports low equivalent series resistance (ESR) output capacitors like MLCC. The TPS56837 operates at Eco-mode to attain high efficiency at light load. The TPS56838 operates in forced continuous conduction mode which maintains lower output ripple during all load conditions. The TPS56836 operates in Out-of-Audio mode to avoid audible noise. The TPS5683x has three selectable switching frequencies, 500kHz, 800kHz, and 1200kHz, and selectable current limit through MODE pin configuration. The TPS5683x has adjustable soft-start time by connecting the SS capacitor and with default 1.8ms with the SS pin floating. The TPS5683x provides complete non-latched OV (overvoltage), UV (undervoltage), OC (overcurrent), OT (overtemperature) and UVLO (undervoltage lockout) protections combined with power-good indicator and output discharge function features. The TPS5683x is available in a 10-pin, 3.0mm × 3.0mm, HotRod QFN package, and the junction temperature is specified from –40°C to 150°C. The TPS5683x is a high-efficiency, easy-to-use, synchronous buck converter with a wide input voltage range of 4.5V to 28V. The device supports up to 8A continuous output current at output voltages between 0.6V and 13V. The TPS5683x uses D-CAP3 control mode to provide fast transient response, good line and load regulation, no requirement for external compensation, and supports low equivalent series resistance (ESR) output capacitors like MLCC. The TPS56837 operates at Eco-mode to attain high efficiency at light load. The TPS56838 operates in forced continuous conduction mode which maintains lower output ripple during all load conditions. The TPS56836 operates in Out-of-Audio mode to avoid audible noise. The TPS5683x has three selectable switching frequencies, 500kHz, 800kHz, and 1200kHz, and selectable current limit through MODE pin configuration. The TPS5683x has adjustable soft-start time by connecting the SS capacitor and with default 1.8ms with the SS pin floating. The TPS5683x provides complete non-latched OV (overvoltage), UV (undervoltage), OC (overcurrent), OT (overtemperature) and UVLO (undervoltage lockout) protections combined with power-good indicator and output discharge function features. The TPS5683x is available in a 10-pin, 3.0mm × 3.0mm, HotRod QFN package, and the junction temperature is specified from –40°C to 150°C.	13 V	Positive		28 V	Step-Down	0.6 V	10-PowerVFQFN	150 C	-40 °C	8 A	1.2 MHz, 500 kHz, 800 kHz	Adjustable	Buck	10-VQFN-HR (3x3)	1	4.5 V	Surface Mount

Description

General part information

TPS56838 Series

The TPS5683x is a high-efficiency, easy-to-use, synchronous buck converter with a wide input voltage range of 4.5V to 28V. The device supports up to 8A continuous output current at output voltages between 0.6V and 13V.

The TPS5683x uses D-CAP3 control mode to provide fast transient response, good line and load regulation, no requirement for external compensation, and supports low equivalent series resistance (ESR) output capacitors like MLCC.

The TPS56837 operates at Eco-mode to attain high efficiency at light load. The TPS56838 operates in forced continuous conduction mode which maintains lower output ripple during all load conditions. The TPS56836 operates in Out-of-Audio mode to avoid audible noise.