MCP1603T-120I/OS The Microchip Technology MCP1603T-120I/OS is a synchronous buck regulator with a fixed 1.2V output voltage and a 500mA output current. It operates at a 2MHz switching frequency.
Mfr Part #:

MCP1603T-120I/OS

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
The Microchip Technology MCP1603T-120I/OS is a synchronous buck regulator with a fixed 1.2V output voltage and a 500mA output current. It operates at a 2MHz switching frequency.
✓ Total Stock: 26,913 pcs
$ Price Range: $1.08

MCP1603T-120I/OS Available from 1 distributor

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26,913 pcs
26913 pcs On Request 1 On Request On Request 2020+ On Request On Request

MCP1603T-120I/OS Specifications Quick View

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

MCP1603T-120I/OS Description

Short technical summary and product information.

The MCP1603T-120I/OS is a high-efficiency, fully-integrated 500 mA synchronous buck regulator from Microchip Technology. It is designed for applications requiring a stable 1.2V output voltage from an input range of 2.7V to 5.5V.

 

This device operates at a fixed 2.0 MHz PWM frequency under heavy loads, providing a low noise and low-output ripple solution. It features over 90% typical efficiency and includes protection features such as Undervoltage Lockout (UVLO), overtemperature protection, and overcurrent protection.

 

The regulator is available in a space-saving TSOT-23-5 package, suitable for surface mount applications. Its integrated design simplifies external component requirements, making it ideal for portable equipment and distributed power systems.

 

Key electrical specifications include a 500mA output current, a fixed 1.2V output, and a 2MHz switching frequency. The operating temperature range is -40°C to 125°C (TJ).

MCP1603T-120I/OS Quick Information

Product Type: Buck Regulator
Series: MCP1603
Canonical Name: MCP1603T-120I/OS Synchronous Buck Regulator
Subcategory: Buck Converters

MCP1603T-120I/OS Compliance

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

MCP1603T-120I/OS Estimated Pricing

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1+ $1.08 $1.08

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

MCP1603T-120I/OS Features

  • High-efficiency synchronous buck regulator.
  • Fixed 1.2V output voltage.
  • 500mA maximum output current.
  • 2MHz fixed switching frequency.
  • Operates from 2.7V to 5.5V input.

MCP1603T-120I/OS Applications

  • Ideal for portable electronic devices.
  • Suitable for 1-cell Li-Ion battery applications.
  • Used in distributed power systems.
  • Powers USB-powered devices.
  • Applicable to cellular telephones.

MCP1603T-120I/OS FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range for the MCP1603T-120I/OS?

The input voltage range is 2.7V to 5.5V.

What is the output voltage of the MCP1603T-120I/OS?

The output voltage is fixed at 1.2V.

What is the maximum output current?

The maximum output current is 500mA.

What is the switching frequency?

The switching frequency is 2MHz.

What is the operating temperature range?

The operating temperature range is -40°C to 125°C (junction).

What package is the MCP1603T-120I/OS available in?

It is available in SOT-23-5 Thin and TSOT-23-5 packages.

What protection features does this regulator have?

It includes UVLO, overcurrent, and overtemperature protection.

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