TPS40400RHLR - TI

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

Part No

TPS40400RHLR
Manufacturer

TI
ChipWorker Part#

CW5848761
Category

Voltage Regulator
Package

VQFN-24
Description

Voltage Mode PWM Controller -0.3V to 30V 30mA 200kHz to 2000kHz 24Pin VQFN EP T/R
Documentation

Datasheet

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TPS40400RHLR Specifications

Attribute	Attribute Value

Part Number	TPS40400RHLR
Manufacturer	TI
ChipWorker Part#	CW5848761
Category	Voltage Regulator
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	24 Pin
Case/Package	VQFN-24
Supply Voltage (DC)	3.00V (min)
Number of Outputs	1 Output
Output Voltage	600 mV
Output Current	30 mA
Number of Positions	24 Position
Power Dissipation	4360 mW
Quiescent Current	6.00 mA
Number of Regulated Outputs	1 Output
Rise Time	12.1 ns
Switching Frequency	200kHz ~ 2MHz
Thermal Shutdown	Yes
Topology	Buck
Duty Cycle	90 %
Maximum Duty Cycle	90 %
Fall Time	12.6 ns
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	3V ~ 20V
Supply Voltage (Max)	20 V
Supply Voltage (Min)	3 V
Input Voltage	8V ~ 14V
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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	No SVHC
REACH SVHC Compliance Edition	2018/06/27
ECCN Code	EAR99

Product Description

The TPS40400RHLR is a flexible Synchronous Buck Controller operates from a nominal 3 to 20V supply. This analog PWM controller that allows programming and monitoring through the PMBus™ interface. Flexible features found on this device include programmable soft-start time, programmable short circuit limit and programmable undervoltage lockout (UVLO). An adaptive anti-cross conduction scheme is used to prevent shoot through current in the power FETs. Gate drive voltage is 6V to better enhance the power FETs for reduced losses. Short circuit detection occurs by sensing the voltage drop across the inductor or across a resistor placed in series with the inductor. A PMBus programmable threshold is compared to this voltage and is used to detect overcurrent. When the overcurrent threshold is reached, a pulse by pulse current limit scheme is used to limit the current to acceptable levels.
PMBus enabled analog controller
Remote voltage sense amplifier
Internal 6V Regulator and gate drive
Programmable overcurrent protection
Inductor resistance or series resistance used for current sensing
Powergood indicator
Thermal shutdown
Programmable soft-start
Internal bootstrap diode
Pre-bias output safe
Green product and no Sb/Br
Device has limited built-in ESD protection, leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

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