TPS40009DGQ - TI

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

Part No

TPS40009DGQ
Manufacturer

TI
ChipWorker Part#

CW32901115
Category

Voltage Regulator
Package

PowerPad-MSOP-10
Description

DC-DC Controller (External Switch) Low Input (2.25V-5.5V) 600kHz Frequency, Synchronous Buck Controller, Source/ Sink, Prebias Operati DC DC Cntrlr Single-OUT Sync Step Down 2.25V to 5.5V Input 10Pin HVSSOP EP Tube
Documentation

Datasheet

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TPS40009DGQ Specifications

Attribute	Attribute Value

Part Number	TPS40009DGQ
Manufacturer	TI
ChipWorker Part#	CW32901115
Category	Voltage Regulator
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	10 Pin
Case/Package	PowerPad-MSOP-10
Frequency	600 kHz
Supply Voltage (DC)	2.25V (min)
Number of Outputs	1 Output
Input Voltage (DC)	5.00 V
Output Voltage	0.7V ~ 4V
Output Current	15.0 A
Number of Positions	10 Position
Quiescent Current	1.50 mA
Number of Regulated Outputs	1 Output
Switching Frequency	700 kHz
Thermal Shutdown	Yes
Topology	Buck
Duty Cycle	93 %
Input Voltage (Max)	5.5 V
Input Voltage (Min)	2.25 V
Maximum Duty Cycle	93 %
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	2.25V ~ 5.5V
Supply Voltage (Max)	5.5 V
Supply Voltage (Min)	2.25 V
Input Voltage	2.25V ~ 5.5V
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Operating Temperature	-40℃ ~ 85℃ (TA)
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	2018/06/27

Product Description

The TPS40009DGQ is a Buck Controller for low-voltage non-isolated synchronous buck regulators. It drives an N-channel MOSFET for the primary buck switch and an N-channel MOSFET for the synchronous rectifier switch, thereby achieving very high-efficiency power conversion. In addition, the device controls the delays from main switch off to rectifier turn-on and from rectifier turn-off to main switch turn-on in such a way as to minimize diode losses (both conduction and recovery) in the synchronous rectifier with TI"s proprietary Predictive Gate Drive™ technology. The reduction in these losses is significant and increases efficiency. For a given converter power level, smaller FETs can be used, or heat sinking can be reduced or even eliminated. The current-limit threshold is adjustable with a single resistor connected to the device. The TPS4000x controllers implement a closed-loop soft start function. Startup ramp time is set by a single external capacitor connected to the SS/SD pin.
1% Internal 0.7V reference
Predictive Gate Drive™ N-channel MOSFET drivers for higher efficiency
Externally adjustable soft-start and overcurrent limit
Fixed-frequency voltage-mode control
Source/sink with VOUT pre-bias
Internal bootstrap diode the SS/SD pin is also used for shutdown
Green product and no Sb/Br

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