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FAN53526UC89X The ON Semiconductor FAN53526UC89X is a digitally programmable step-down switching voltage regulator. It delivers up to 3A continuous output current from a 2.5V to 5.5V input supply.
Mfr Part #:

FAN53526UC89X

Available from 3 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor FAN53526UC89X is a digitally programmable step-down switching voltage regulator. It delivers up to 3A continuous output current from a 2.5V to 5.5V input supply.
✓ Total Stock: 16,726 pcs
$ Price Range: $0.16

FAN53526UC89X Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
11,526 pcs
On Request
11526 pcs On Request 1 On Request On Request 1507+ On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
4,200 pcs
On Request
4200 pcs On Request 1 On Request On Request 1611+ On Request On Request
Braun Electronic Components ✓
Non-Authorised Inventory information
1,000 pcs
On Request
1000 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

FAN53526UC89X Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Frequency
Function
Interface
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Type
Output Voltage
Quiescent Current
Supplier Device Package
Supplier Package
Synchronous Rectifier
Topology
Voltage
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FAN53526UC89X Description

Short technical summary and product information.

The FAN53526UC89X from ON Semiconductor is a digitally programmable TinyBuck regulator designed for efficient power conversion. It operates from an input voltage range of 2.5V to 5.5V and can deliver a continuous output current of up to 3.0A. The output voltage is digitally programmable via an I2C interface, offering flexibility in voltage settings from 0.600V to 1.39375V in small 6.25mV steps.

 

This regulator features a fixed switching frequency of 2.4MHz, which helps in reducing the size of external components. It utilizes synchronous rectification for high efficiency, exceeding 80% even at light loads as low as 10mA. For light loads, it operates in Power-Save Mode (PFM) with a typical quiescent current of 50µA, and automatically switches to fixed-frequency control at higher loads. The device includes input under-voltage lockout (UVLO), thermal shutdown, and overload protection for reliability.

 

The FAN53526UC89X is supplied in a compact 15-bump, 1.310 mm x 2.015 mm, 0.4 mm ball pitch WLCSP package, making it suitable for space-constrained applications. Its programmable slew rate for voltage transitions and I2C-compatible interface up to 3.4 Mbps further enhance its design versatility.

 

Key applications include powering graphic and DSP processors (like ARM, Tegra, OMAP), hard disk drives, LPDDR3/LPDDR4 memory, tablets, netbooks, ultra-mobile PCs, smartphones, and gaming devices.

FAN53526UC89X Quick Information

Product Type: Switching Voltage Regulator
Canonical Name: FAN53526 Digitally Programmable TinyBuck Regulator
Subcategory: DC-DC Switching Regulators

FAN53526UC89X Compliance

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

FAN53526UC89X Estimated Pricing

Qty Low High
1+ $0.16 $0.16

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

FAN53526UC89X Features

  • Digitally programmable output voltage via I2C.
  • Delivers 3.0A continuous output current.
  • Wide input voltage range of 2.5V to 5.5V.
  • Fixed 2.4MHz switching frequency.
  • Compact 15-bump WLCSP package.

FAN53526UC89X Applications

  • Powers application and DSP processors.
  • Suitable for LPDDR3 and LPDDR4 memory.
  • Used in smartphones and gaming devices.
  • Ideal for tablets and ultra-mobile PCs.

FAN53526UC89X FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the FAN53526UC89X?

The input voltage range is 2.5 V to 5.5 V.

What is the output voltage range of the FAN53526UC89X?

The output voltage is programmable from 0.600 V to 1.39375 V in 6.25 mV steps.

What is the maximum output current of the FAN53526UC89X?

The maximum output current is 3.0 A.

What is the operating temperature range of the FAN53526UC89X?

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

What package is the FAN53526UC89X available in?

The FAN53526UC89X is available in a 15-WLCSP package measuring 2.02 mm x 1.31 mm.

Does the FAN53526UC89X have an I2C interface?

Yes, it has an I2C interface supporting data rates up to 3.4 Mbps.

What is the switching frequency of the FAN53526UC89X?

The switching frequency is 2.4 MHz.

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