TPS54821RHLR ,DC to DC Converter - TI

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

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182 points

Part No

TPS54821RHLR
Manufacturer

TI
ChipWorker Part#

CW791496
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
Ships from

Moscow
Наличие

494 pcs In Stock
Estimated Price

$ 0.16

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TPS54821RHLR Specifications

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Attribute	Attribute Value

Part Number	TPS54821RHLR
Manufacturer	TI
ChipWorker Part#	CW791496
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	200kHz ~ 1.6MHz
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
	expand all
Operating Temperature	-40℃ ~ 125℃ (TJ)
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

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Product Description

The TPS54821RHLR is a 4.5V to 17V input, 8A synchronous step down converter with hiccup in 14 pin VQFN package. It is optimized for small designs through high efficiency and integrating high side and low side MOSFETs. The output voltage start-up ramp is controlled by SS/TR pin which allows operation as either a standalone power supply or in tracking situations. Power sequencing is also possible by correctly configuring enable and open drain power good pins. Cycle by cycle current limiting on the high side FET protects IC 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 low side MOSFET to prevent excessive reverse current. Hiccup protection will be triggered if overcurrent condition has persisted for longer than preset time. It is used in digital TV power supplies, set top boxes, blu-ray DVDs, home terminals and high performance point of load regulation.
Integrated 26mohm / 19mohm MOSFETs, switching frequency of 1.6MHz
Split power rail of 1.6V to 17V on PVIN
Synchronizes to external clock
0.6V ±1% voltage reference over temperature
Low 2µA shutdown quiescent current
Monotonic start-up into pre-biased outputs
Adjustable slow start/power sequencing
Power good output monitor for undervoltage and overvoltage
Adjustable input undervoltage lockout
ESD sensitive device, take proper precaution while handling the device.

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