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FAN53526UC128X The ON Semiconductor FAN53526UC128X is a digitally programmable step-down switching voltage regulator. It delivers up to 3A continuous output current with an input voltage range of 2.5V to 5.5V.
Mfr Part #:

FAN53526UC128X

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor FAN53526UC128X is a digitally programmable step-down switching voltage regulator. It delivers up to 3A continuous output current with an input voltage range of 2.5V to 5.5V.
✓ Total Stock: 105,000 pcs
$ Price Range: $0.16

FAN53526UC128X Available from 1 distributor

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FAN53526UC128X 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
Output Configuration
Output Type
Supplier Device Package
Synchronous Rectifier
Topology
Voltage
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FAN53526UC128X Description

Short technical summary and product information.

The FAN53526UC128X from ON Semiconductor is a digitally programmable step-down switching voltage regulator designed for high-efficiency power conversion. It operates from an input voltage supply of 2.5 V to 5.5 V and can deliver a continuous output current of 3.0 A.

 

The regulator features a fixed switching frequency of 2.4 MHz, which helps reduce the size of external components. It utilizes an I2C-compatible interface for digital programming of the output voltage, which can be adjusted from 0.600 V to 1.39375 V in 6.25 mV steps. The device also includes Pulse Frequency Modulation (PFM) for power-save mode at light loads, achieving a typical quiescent current of 50 µA.

 

Designed with synchronous rectification, the FAN53526UC128X achieves over 80% efficiency, even at low load currents. It offers best-in-class load transient response and includes protection features such as input under-voltage lockout (UVLO), thermal shutdown, and overload protection.

 

The FAN53526UC128X is available in a compact 15-bump, 1.310 mm x 2.015 mm, 0.4 mm ball pitch WLCSP package, suitable for space-constrained applications.

FAN53526UC128X Quick Information

Product Type: DC DC Switching Regulator
Series: FAN53526
Canonical Name: FAN53526UC128X Digitally Programmable Step-Down Switching Voltage Regulator
Subcategory: DC DC Switching Regulator

FAN53526UC128X Compliance

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

FAN53526UC128X Estimated Pricing

Qty Low High
1+ $0.16 $0.16

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

FAN53526UC128X Features

  • Digitally programmable output voltage via I2C.
  • 3.0 A continuous output current capability.
  • 2.5 V to 5.5 V input voltage range.
  • Fixed 2.4 MHz switching frequency.
  • 15-bump WLCSP package for small footprint.

FAN53526UC128X Applications

  • Suitable for application processors.
  • Ideal for hard disk drives.
  • Used in LPDDR3 and LPDDR4 memory.
  • Applications in tablets and smartphones.
  • Designed for gaming devices.

FAN53526UC128X FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range for the FAN53526UC128X?

The input voltage range is 2.5 V to 5.5 V.

What is the maximum continuous output current?

The maximum continuous output current capability is 3.0 A.

What is the switching frequency?

The switching frequency is fixed at 2.4 MHz.

What is the operating temperature range?

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

What type of package is the FAN53526UC128X in?

It is supplied in a 15-WLCSP (2.02x1.31) package.

Does this regulator have a synchronous rectifier?

Yes, it features a synchronous rectifier.

What is the quiescent current in PFM mode?

The typical quiescent current in PFM mode is 50 µA.

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