TPS65261RHBR - TI

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

Part No

TPS65261RHBR
Manufacturer

TI
ChipWorker Part#

CW3073643
Category

DC to DC Converter
Package

VQFN-32
Description

4.5V to 18V Input Voltage, 3A/2A/2A Output Current Triple Synchronous Buck Converter 32-VQFN -40℃ to 85℃
Documentation

Datasheet

TPS65261RHBR Global Supplier

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TPS65261RHBR Specifications

Attribute	Attribute Value

Part Number	TPS65261RHBR
Manufacturer	TI
ChipWorker Part#	CW3073643
Category	DC to DC Converter
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	32 Pin
Case/Package	VQFN-32
Number of Outputs	3 Output
Output Voltage	0.6 V
Output Current	3A, 2A
Quiescent Current	600 µA
Number of Regulated Outputs	3 Output
Switching Frequency	250kHz ~ 2MHz
Topology	Buck
Input Voltage (Max)	18 V
Input Voltage (Min)	4.5 V
Output Voltage (Max)	18 V
Output Voltage (Min)	0.6 V
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Input Voltage	18 V
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Operating Temperature	-40℃ ~ 85℃ (TA)
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product Description

The TPS65261, TPS65261-1 is a monolithic triple synchronous step-down (buck) converter with 3A/2A/2A output currents. A wide 4.5V to 18V input supply voltage range encompasses the most intermediate bus voltages operating off 5V, 9V, 12V or 15V power bus. The converter, with constant frequency peak current mode, is designed to simplify its application while giving designers options to optimize the system according to targeted applications. The switching frequency of the converters can be adjusted from 250kHz to 2MHz with an external resistor. The 180° out-of-phase operation between Buck1 and Buck2, 3 (Buck2 and 3 run in phase) minimizes the input filter requirements.
The TPS65261, TPS65261-1 features an automatic power sequence with connecting MODE pin to V7V and configuring EN1/2/3 pins. The device also features an open drain RESET signal to monitor power down.
At light load, the TPS65261 automatically operates in pulse skipping mode (PSM) and the TPS65261-1 operates in force continuous current mode (FCC). PSM mode provides high efficiency by reducing switching losses at light loads and FCC mode reduces noise susceptibility and RF interference.
The device features overvoltage protection, overcurrent and short-circuit protection and over-temperature protection. A power good pin asserts when any output voltages are out of regulation.

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