TPS54821RHLT - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

TPS54821RHLT
Manufacturer

TI
ChipWorker Part#

CW7162736
Category

DC to DC Converter
Package

VQFN-14
Description

Conv DC-DC 4.5V to 17V Step Down Single-Out 0.6V to 15V 8A 14Pin VQFN EP T/R
Documentation

Datasheet

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TPS54821RHLT Specifications

Attribute	Attribute Value

Part Number	TPS54821RHLT
Manufacturer	TI
ChipWorker Part#	CW7162736
Category	DC to DC Converter
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	14 Pin
Case/Package	VQFN-14
Number of Outputs	1 Output
Output Voltage	0.6V ~ 15V
Output Current	8 A
Number of Positions	14 Position
Quiescent Current	600 µA
Number of Regulated Outputs	1 Output
Switching Frequency	1.6 MHz
Topology	Buck
Input Voltage (Max)	17 V
Input Voltage (Min)	4.5 V
Output Voltage (Max)	15 V
Output Voltage (Min)	600 mV
Output Current (Max)	8 A
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Input Voltage	4.5V ~ 17V
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Operating Temperature	-40℃ ~ 125℃
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance Edition	2015/06/15
ECCN Code	EAR99

Product Description

The TPS54821RHLT is a synchronous Step-down Converter with hiccup current limit. It is optimized for small designs through high efficiency and integrating the high-side and low-side MOSFETs. Further space savings are achieved through current mode control, which reduces component count and by selecting a high switching frequency, reducing the inductor"s footprint. The output voltage startup ramp is controlled by the SS/TR pin which allows operation as either a stand-alone power supply or in tracking situations. Power sequencing is also possible by correctly configuring the enable and the open-drain power good pins. Cycle-by-cycle current limiting on the high-side FET protects the device in overload situations and is enhanced by a low-side sourcing current limit which prevents current runaway. There is also a low-side sinking current limit which turns off the low-side MOSFET to prevent excessive reverse current.
Synchronizes to external clock
Monotonic start-up into pre-biased outputs
Adjustable slow start/power sequencing
Power good output monitor for undervoltage and overvoltage
Adjustable input undervoltage lockout
Integrated 26/19mR MOSFETs
0.6V ±1% Voltage reference over temperature
2µA Low shutdown quiescent current
Green product and no Sb/Br

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