TPS65279RHHR - TI

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

Part No

TPS65279RHHR
Manufacturer

TI
ChipWorker Part#

CW35483961
Category

DC to DC Converter
Package

VQFN-36
Description

4.5V to 18V Input, Dual 5A Synchronous Step-Down Converter 36-VQFN -40℃ to 125℃
Documentation

Datasheet

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TPS65279RHHR Specifications

Attribute	Attribute Value

Part Number	TPS65279RHHR
Manufacturer	TI
ChipWorker Part#	CW35483961
Category	DC to DC Converter
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	36 Pin
Case/Package	VQFN-36
Number of Outputs	2 Output
Output Voltage	0.6V ~ 9V
Output Current	5 A
Quiescent Current	10.0 mA
Number of Regulated Outputs	2 Output
Switching Frequency	200kHz ~ 1.6MHz
Topology	Buck
Input Voltage (Max)	18 V
Input Voltage (Min)	4.5 V
Output Voltage (Max)	15 V
Output Voltage (Min)	0.6 V
Output Current (Max)	5 A
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Input Voltage	18 V
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Operating Temperature	-40℃ ~ 125℃ (TJ)
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product Description

TPS65279 is a monolithic dual synchronous buck converter with wide 4.5-V to 18-V operating input voltage range that encompassed most intermediate bus voltage operating off 5-, 9-, 12- or 15-V power bus or battery. The converter with constant frequency peak current mode control is designed to simplify its application while giving the designers options to optimize their usage according to the target applications.
Two bucks in TPS65279 can be paralleled to delivery up to 10-A load current by using current sharing mode, connect ISHARE pin high. Two phase operation in current sharing reduces system filtering capacitance and inductance, alleviates EMI and improves output voltage ripple and noise.
TPS65279 features a dedicated enable pin. An independent soft-start pin provides flexibility in power up programmability. Constant frequency peak current mode control simplifies the compensation and provides fast transient response. Cycle-by-cycle overcurrent protection and hiccup mode operation limit MOSFET power dissipation in short circuit or over loading fault conditions.
Low-side reverse overcurrent protection also prevents excessive sinking current from damaging the converter. TPS65279 also features a light load pulse skipping mode (PSM) controlled by MODE pin configuration.
The TPS65279 is available in a 32-pin thermally-enhanced HTSSOP (DAP) package and 36-pin 6-mm × 6-mm VQFN (RHH) package.

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