ISL9444IRZ-T7A The Renesas ISL9444IRZ-T7A is a Buck Regulator DC-DC Switching Controller IC. It operates with a supply voltage range of 4.5V to 28V and features a switching frequency between 200kHz and 1.2MHz.
Mfr Part #:

ISL9444IRZ-T7A

Available from 1 distributors
Mfr Name: Renesas
Renesas
The Renesas ISL9444IRZ-T7A is a Buck Regulator DC-DC Switching Controller IC. It operates with a supply voltage range of 4.5V to 28V and features a switching frequency between 200kHz and 1.2MHz.
Total Stock: 4 pcs
$ Price Range: $0.75

ISL9444IRZ-T7A Available from 1 distributor

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ISL9444IRZ-T7A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Sync
Control Features
Frequency
Function
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Phases
Output Type
SVHC Present
Supplier Device Package
Synchronous Rectifier
Topology
Voltage

ISL9444IRZ-T7A Description

Short technical summary and product information.

The Renesas ISL9444IRZ-T7A is a high-performance DC-DC switching controller designed for step-down (buck) applications. This IC supports a wide input voltage range from 4.5V to 28V, making it versatile for various power supply designs.

 

Key electrical specifications include a switching frequency adjustable from 200kHz to 1.2MHz, enabling efficient power conversion. The controller features multiple outputs, with 3 configured outputs and 2 output phases, and utilizes a transistor driver output type. Control features such as Enable, Frequency Control, Phase Control, Power Fail, Power Good, Soft Start, and Tracking are integrated for robust system management.

 

Packaged in a 40-VFQFN exposed pad, the ISL9444IRZ-T7A is designed for surface mount applications. Its operating temperature range is -40°C to 85°C (TA), suitable for demanding environments. The device includes a synchronous rectifier for improved efficiency.

 

This component is RoHS3 compliant and has a Moisture Sensitivity Level (MSL) of 1 Unlimited, indicating standard handling requirements. Its REACH status is unaffected.

ISL9444IRZ-T7A Quick Information

Product Type: DC DC Switching Controller
Canonical Name: ISL9444IRZ-T7A Buck Regulator DC-DC Switching Controller
Subcategory: DC DC Switching Controllers

ISL9444IRZ-T7A Compliance

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

ISL9444IRZ-T7A Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

ISL9444IRZ-T7A Features

  • Step-down buck regulator controller IC.
  • Wide 4.5V to 28V supply voltage range.
  • Switching frequency from 200kHz to 1.2MHz.
  • Supports 3 positive outputs with 2 phases.
  • Integrated control and synchronous rectifier features.

ISL9444IRZ-T7A Applications

  • Suitable for various power supply designs.
  • Enables efficient power conversion.
  • Robust system management capabilities.
  • Designed for demanding environments.

ISL9444IRZ-T7A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the supply voltage range of the ISL9444IRZ-T7A?

The supply voltage range is 4.5V to 28V.

What is the switching frequency range?

The switching frequency range is 200kHz to 1.2MHz.

What is the operating temperature range?

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

How many outputs does the ISL9444IRZ-T7A have?

It has 3 outputs.

What package is the ISL9444IRZ-T7A available in?

It is available in a 40-VFQFN Exposed Pad package.

Does the ISL9444IRZ-T7A support synchronous rectification?

Yes, it supports synchronous rectification.

What control features does the ISL9444IRZ-T7A include?

It includes Enable, Frequency Control, Phase Control, Power Fail, Power Good, Soft Start, and Tracking.

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