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FAN5250QSC The FAN5250QSC is a single-output power controller from On Semiconductor designed for mobile CPU cores. It offers a wide output voltage range and selectable switching frequencies.
Mfr Part #:

FAN5250QSC

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
The FAN5250QSC is a single-output power controller from On Semiconductor designed for mobile CPU cores. It offers a wide output voltage range and selectable switching frequencies.
✓ Total Stock: 3,166 pcs
$ Price Range: $0.75

FAN5250QSC Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
3,000 pcs
On Request
3000 pcs On Request 1 On Request On Request On Request On Request On Request
Hybrid Electronics ✓
Non-Authorised Inventory information
166 pcs
On Request
166 pcs On Request 1 On Request On Request NO DC On Request On Request
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FAN5250QSC Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Input Voltage
Mounting Type
Number of Outputs
Operating Temperature
Supplier Device Package
Voltage
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FAN5250QSC Description

Short technical summary and product information.

The FAN5250QSC is a single-output power controller designed by On Semiconductor specifically for powering mobile CPU cores. It features a 5-bit digital-to-analog converter (DAC) that allows the core PWM output voltage to be adjusted from 0.6 VDC to 1.75 VDC, with changes possible during operation. Special measures are included to ensure controlled slew rates for compliance with processor power management requirements.

 

Key electrical specifications include a selectable switching frequency of 300kHz or 600kHz at nominal currents. At light loads, it operates in a hysteretic mode to improve efficiency. The controller includes precision core voltage control, non-dissipative current sensing, and multiple fault monitors for over-voltage, under-voltage, and over-current conditions. Over-voltage protection is set at 1.9V, and under-voltage protection latches the chip off if the output drops below 75% of the set value.

 

This device is available in a 24-QSOP or 24-SSOP (0.154", 3.90mm Width) package and is designed for surface mount applications. It operates within a temperature range of -10°C to 85°C. The FAN5250QSC is suitable for applications such as Transmeta's Crusoe™ CPU core power and Intel P3-M™ processors (IMVP-2).

FAN5250QSC Quick Information

Product Type: Switching Controller
Canonical Name: FAN5250QSC Switching Controller
Subcategory: Special Purpose Regulators

FAN5250QSC Compliance

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

FAN5250QSC Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

FAN5250QSC Features

  • Input voltage range is 5 to 24 VDC.
  • Output voltage ranges from 0.6 to 1.75 VDC.
  • Switching frequency is selectable at 300/600 kHz.
  • Features precision core voltage control.
  • Includes programmable active droop functionality.

FAN5250QSC Applications

  • Powers mobile CPU cores.
  • Suitable for Transmeta Crusoe CPUs.
  • Compatible with Intel P3-M processors.
  • Optimized for transient response.

FAN5250QSC FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating temperature range of the FAN5250QSC?

The FAN5250QSC operates within a temperature range of -10°C to 85°C.

What are the available package types for the FAN5250QSC?

The FAN5250QSC is available in 24-QSOP and 24-SSOP (0.154", 3.90mm Width) packages.

What is the input voltage range for the FAN5250QSC?

The input voltage range for the FAN5250QSC is 5 to 24 VDC.

What are the selectable switching frequencies for this device?

The selectable switching frequencies are 300 kHz and 600 kHz.

What is the output voltage range of the FAN5250QSC?

The output voltage ranges from 0.6 VDC to 1.0 VDC in 25mV steps, and from 1.0 VDC to 1.75 VDC in 50mV steps.

Does the FAN5250QSC have fault monitors?

Yes, it has over-voltage, under-voltage, and over-current fault monitors.

What type of current sensing does the FAN5250QSC use?

It uses non-dissipative current sensing, which can utilize MOSFET R DS(ON) or an optional current-sense resistor.

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