TPS54521RHLR - TI

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

Part No

TPS54521RHLR
Manufacturer

TI
ChipWorker Part#

CW3998500
Category

DC to DC Converter
Package

VQFN-14
Description

Step-Down Regulator 17V Input, 5A Synchronous Step-Down SWIFT Converter Conv DC-DC 4.5V to 17V Synchronous Step Down Single-Out 0.8V to 15V 5A 14Pin VQFN EP T/R
Documentation

Datasheet

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TPS54521RHLR Specifications

Attribute	Attribute Value

Part Number	TPS54521RHLR
Manufacturer	TI
ChipWorker Part#	CW3998500
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	0.8V ~ 15V
Output Current	5 A
Number of Positions	14 Position
Quiescent Current	600 µA
Number of Regulated Outputs	1 Output
Switching Frequency	900 kHz
Topology	Buck
Switching Current	9 A
Input Voltage (Max)	17 V
Input Voltage (Min)	4.5 V
Output Voltage (Max)	15 V
Output Voltage (Min)	800 mV
Output Current (Max)	5 A
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage (Min)	1.6 V
Input Voltage	4.5V ~ 17V
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Operating Temperature	-40℃ ~ 125℃
Product Lifecycle Status	Active
Packaging	Cut Tape (CT)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15

Product Description

The TPS54521RHLR is a synchronous Step-down Converter optimized for small designs through high efficiency and integrated 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. Hiccup protection will be triggered if the overcurrent condition has persisted for longer than the preset time. Thermal shutdown disables the part when die temperature exceeds thermal shutdown temperature.
Synchronizes to external clock
Hiccup overcurrent protection
Monotonic start-up into prebiased outputs
Pin-to-pin compatible with the TPS54620
Adjustable slow start/power sequencing
Power good output for undervoltage and overvoltage monitoring
Adjustable input undervoltage lockout
Supported by SwitcherPro™ software tool
Integrated 57/50mR MOSFETs
0.8V Voltage reference
2µA Low shutdown quiescent current
Green product and no Sb/Br

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