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PM8903TR The STMicroelectronics PM8903TR is a high-efficiency monolithic step-down switching regulator capable of delivering up to 3A continuous output current. It operates from a 2.8V to 6V input voltage.
Mfr Part #:

PM8903TR

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics PM8903TR is a high-efficiency monolithic step-down switching regulator capable of delivering up to 3A continuous output current. It operates from a 2.8V to 6V input voltage.
✓ Total Stock: 2,922 pcs
$ Price Range: $1.08

PM8903TR Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
2,922 pcs
On Request
2922 pcs On Request 1 On Request On Request 1141+ 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.

PM8903TR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Frequency
Function
Mounting Type
Number of Outputs
Operating Temperature
Operating Voltage
Output Configuration
Output Type
Output Voltage
Quiescent Current
Supplier Device Package
Supplier Package
Synchronous Rectifier
Topology
Voltage
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PM8903TR Description

Short technical summary and product information.

The PM8903TR from STMicroelectronics is a monolithic step-down switching regulator designed for high-efficiency power conversion. It can deliver up to 3A of continuous output current and operates within an input voltage range of 2.8V to 6V.

 

Key features include integrated 35 mΩ MOSFETs, a switching frequency of 1.1 MHz, and an adjustable output voltage down to 0.6V with 1% accuracy. The device incorporates PSKIP mode for optimized light load efficiency and offers comprehensive protection features including OV/UV/OC and overtemperature protection.

 

The PM8903TR is housed in a compact 16-VFQFPN 3x3 mm package, suitable for surface mounting. Its design makes it suitable for various applications such as subsystem power supplies, CPU/DSP/FPGA power supplies, and general DC-DC converters.

PM8903TR Quick Information

Product Type: DC DC Switching Regulator
Canonical Name: PM8903TR Step-Down Switching Regulator
Subcategory: DC-DC Switching Regulator

PM8903TR Compliance

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

PM8903TR Estimated Pricing

Qty Low High
1+ $1.08 $1.08

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

PM8903TR Features

  • 3A continuous output current capability.
  • Wide 2.8V to 6V input voltage range.
  • Adjustable output voltage down to 0.6V.
  • 1.1 MHz switching frequency operation.
  • Compact 16-VFQFPN 3x3 mm package.

PM8903TR Applications

  • Used in point-of-load power supplies.
  • Suitable for battery-powered portable devices.
  • Ideal for distributed power architectures.
  • Applicable in set-top box designs.
  • Used in networking and telecom equipment.

PM8903TR FAQs

6 frequently asked questions generated from this part’s specifications.
What is the maximum continuous output current for the PM8903TR?

The PM8903TR can deliver up to 3 A of continuous output current.

What is the input voltage range for the PM8903TR?

The input voltage range for the PM8903TR is 2.8 V to 6 V.

What is the adjustable output voltage range?

The output voltage can be adjusted down to 0.6 V.

What is the switching frequency of the PM8903TR?

The switching frequency operation is typically 1.1 MHz.

What type of package is the PM8903TR in?

The PM8903TR is available in a 16-VFQFPN 3x3 mm compact package.

What is the operating temperature range?

The operating temperature range is -25°C to 125°C (TJ).

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