TPS40304ADRCR - TI

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

Part No

TPS40304ADRCR
Manufacturer

TI
ChipWorker Part#

CW10734726
Category

Voltage Regulator
Package

VSON-10
Description

DC-DC Controller (External Switch) 3V to 20V Wide Input Synchronous Buck Controller for High Power Density, 600kHz, 591mV 1% Reference DC DC Cntrlr Single-OUT Sync Buck 3V to 20V Input 10Pin VSON EP T/R
Documentation

Datasheet

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TPS40304ADRCR Specifications

Attribute	Attribute Value

Part Number	TPS40304ADRCR
Manufacturer	TI
ChipWorker Part#	CW10734726
Category	Voltage Regulator
Documentation	Datasheet
Number of Pins	10 Pin
Case/Package	VSON-10
Number of Outputs	1 Output
Output Current	25 A
Power Dissipation	2610 mW
Quiescent Current	2.50 mA
Number of Regulated Outputs	1 Output
Switching Frequency	600 kHz
Thermal Shutdown	Yes
Topology	Buck
Input Voltage (Max)	20 V
Input Voltage (Min)	3 V
Output Current (Max)	25 A
Maximum Duty Cycle	0.9
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	2610 mW
Supply Voltage	3V ~ 20V
Input Voltage	3V ~ 20V
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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

The TPS40304A is a cost-optimized synchronous buck controller that operates from 3-V to 20-V input. The controller implements a voltage-mode control architecture with input-voltage feed-forward compensation that responds instantly to input voltage change. The switching frequency is fixed at 600 kHz.
Frequency Spread Spectrum feature adds dither to the switching frequency, significantly reducing the peak EMI noise and making it much easier to comply with EMI standards.
The TPS40304A offers design with a variety of user programmable functions, including soft-start, overcurrent protection (OCP) levels, and loop compensation.
The OCP level is programmed by a single external resistor connected from LDRV pin to circuit ground. During initial power on, the TPS40304A enters a calibration cycle, measures the voltage at the LDRV pin, and sets an internal OCP voltage level. During operation, the programmed OCP voltage level is compared to the voltage drop across the low-side FET when it is on to determine whether there is an overcurrent condition. The TPS40304A then enters a shutdown and restart cycle until the fault is removed.

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