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TPS40003DGQR The Texas Instruments TPS40003DGQR is a synchronous buck controller designed for low-voltage, non-isolated regulators. It operates with an input voltage range of 2.25V to 5.5V and a fixed frequency of 600kHz.
Mfr Part #:

TPS40003DGQR

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TPS40003DGQR is a synchronous buck controller designed for low-voltage, non-isolated regulators. It operates with an input voltage range of 2.25V to 5.5V and a fixed frequency of 600kHz.
✓ Total Stock: 23,438 pcs
$ Price Range: $1.09

TPS40003DGQR Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
22,500 pcs
On Request
22500 pcs On Request 1 On Request On Request 19+ On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
938 pcs
On Request
938 pcs On Request 1 On Request On Request 13+ On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

TPS40003DGQR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Sync
Control Features
Duty Cycle (Max)
Frequency
Function
Mounting Type
Number of Outputs
Operating Temperature
Operating Voltage
Output Configuration
Output Phases
Output Type
Output Voltage
Supplier Device Package
Synchronous Rectifier
Tape & Reel
Topology
Voltage
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TPS40003DGQR Description

Short technical summary and product information.

The TPS40003DGQR from Texas Instruments is a fixed-frequency, voltage-mode control buck controller. It is designed for low-voltage, non-isolated synchronous buck regulators, driving N-channel MOSFETs for high-efficiency power conversion. The device supports an operating input voltage range of 2.25V to 5.5V and can achieve output voltages as low as 0.7V.

 

Key features include a 1% internal 0.7V reference, predictive gate drive technology for higher efficiency, and externally adjustable soft-start and overcurrent limit. It offers source-only or source/sink current capabilities and versions for starting into VOUT pre-bias. The controller operates at a fixed frequency of 600kHz.

 

This controller is housed in a 10-lead MSOP PowerPad package, designed for higher performance. It includes thermal shutdown and an internal bootstrap diode. Applications include networking equipment, telecom equipment, base stations, servers, DSP power, and power modules.

TPS40003DGQR Quick Information

Product Type: DC DC Switching Controller
Series: TPS40003
Canonical Name: Texas Instruments TPS40003DGQR Synchronous Buck Controller
Subcategory: Buck Controller

TPS40003DGQR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

TPS40003DGQR Estimated Pricing

Qty Low High
1+ $1.09 $1.09

Estimated market price range - modelled values for guidance only, not live distributor offers.

TPS40003DGQR Features

  • Synchronous buck controller for high efficiency.
  • Wide input voltage range: 2.25V to 5.5V.
  • Fixed 600kHz switching frequency.
  • Externally adjustable soft-start and overcurrent limit.
  • 10-lead MSOP PowerPad package.

TPS40003DGQR Applications

  • Ideal for networking equipment.
  • Suitable for telecom infrastructure.
  • Used in base station power supplies.
  • Applicable for server power modules.
  • Powers DSP applications effectively.

TPS40003DGQR FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating input voltage range of the TPS40003DGQR?

The operating input voltage range is 2.25 V to 5.5 V.

What packages is the TPS40003DGQR available in?

It is available in 10-HVSSOP, 10-PowerTFSOP, and 10-MSOP (0.118", 3.00mm Width) packages, all surface mount.

What is the operating temperature range of the TPS40003DGQR?

The operating temperature range is -40°C to 85°C.

What is the switching frequency of the TPS40003DGQR?

The switching frequency is 600 kHz.

What is the output voltage capability of the TPS40003DGQR?

The output voltage can be adjusted as low as 0.7 V, using the internal 1% accurate 0.7 V reference.

What control features does the TPS40003DGQR include?

It includes current limit, enable, and soft start.

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