FM803MS3X The On Semiconductor FM803MS3X is a supervisor IC designed for power supply support. It features a 4.38V threshold voltage and a 140ms reset timeout.
Mfr Part #:

FM803MS3X

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The On Semiconductor FM803MS3X is a supervisor IC designed for power supply support. It features a 4.38V threshold voltage and a 140ms reset timeout.
Total Stock: 516,571 pcs
$ Price Range: $0.75

FM803MS3X Available from 1 distributor

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FM803MS3X Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Lead Spacing
Lead Style
Mounting Type
Number of Voltages Monitored
Operating Temperature
Output
Reset
Reset Timeout
Supplier Device Package
Type
Voltage

FM803MS3X Description

Short technical summary and product information.

The FM803MS3X from On Semiconductor is a supervisor integrated circuit designed for power supply monitoring and reset functions. This device features a single voltage monitoring channel with a threshold voltage of 4.38V and an active-low reset output. The reset timeout is specified as a minimum of 140ms.

 

This supervisor IC operates within a temperature range of -40°C to 105°C (TA) and is housed in a compact SOT-23 package, suitable for surface mount applications. The output configuration is open drain or open collector, providing flexibility in circuit design. Its simple reset and power-on reset capabilities make it a reliable component for ensuring system stability.

 

The FM803MS3X is supplied in a TO-236-3, SC-59, SOT-23-3 package, facilitating efficient board space utilization. It is designed for applications requiring robust power monitoring and timely reset signals to maintain proper system operation.

FM803MS3X Quick Information

Product Type: Supervisor
Series: FM803
Canonical Name: FM803MS3X Power Management IC Supervisor
Subcategory: Supervisor

FM803MS3X Compliance

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

FM803MS3X Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

FM803MS3X Features

  • Monitors 4.38V threshold voltage.
  • Provides 140ms minimum reset timeout.
  • Features active-low reset output.
  • Surface mount SOT-23 package.
  • Operates from -40°C to 105°C.

FM803MS3X Applications

  • Ensures stable power-on reset.
  • Monitors system voltage levels.
  • Used in embedded control systems.
  • Suitable for compact designs.

FM803MS3X FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating temperature range for the FM803MS3X?

The operating temperature range is -40°C to 105°C (TA).

What is the reset timeout for the FM803MS3X supervisor IC?

The reset timeout is a minimum of 140ms.

What is the threshold voltage for the FM803MS3X?

The threshold voltage is 4.38V.

How many voltages does the FM803MS3X monitor?

It monitors one voltage.

What type of reset does the FM803MS3X provide?

It provides a Simple Reset/Power-On Reset.

What is the reset logic for the FM803MS3X?

The reset is active low.

What is the output type of the FM803MS3X?

The output is Open Drain or Open Collector.

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