FAN53526UC288X DC-DC Power Conversion by ON Semiconductor

3.0A, 2.4MHz, Digitally Programmable TinyBuck® Regulator

Status: Active
Series: FAN53526
RoHS: Compliant
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The FAN53526 is a step-down switching voltage regulator that delivers a digitally programmable output from an input voltage supply of 2.5V to 5.5V. The output voltage is programmed through an I2C interface capable of operating up to 3.4MHz.Using a proprietary architecture with synchronous rectification, the FAN53526is capable of delivering 3.0A continuous at over 80% efficiency, maintaining that efficiency at load currents as low as 10mA. The regulator operates at a nominal fixed frequency of 2.4MHz, which reduces the value of the external components. Additional output capacitance can be added to improve regulation during load transients without affecting stability. At moderate and light loads, Pulse Frequency Modulation (PFM) is used to operate in Power-Save Mode with a typical quiescent current of 50μAat room temperature. Even with such a low quiescent current, the part exhibits excellent transient response during large load swings. At higher loads, the system automatically switches to fixed-frequency control, operating at 2.4MHz. In Shutdown Mode, the supply current drops below 1μA, reducing power consumption. PFM Mode can be disabled if fixed frequency is desired. The FAN53526is available in a 15-bump, 1.310mmx 2.015mm, 0.4mm ball pitch WLCSP.

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Prices starting from US$0.39

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Features

Fixed Frequency Operation: 2.4MHz
Best-in-Class Load Transient
I2C−Compatible Interface Up to 3.4Mbps
Continuous Output Current: 3.0A
2.5 V to 5.5 V Input Voltage Range
Digitally Programmable Output Voltage: 0.6V to 1.39375V in 6.25mV steps
Programmable Slew Rate for Voltage Transitions
PFM Mode for High Efficiency in Light-Load
Quiescent Current in PFM Mode: 50A (Typical)
Input Under−Voltage Lockout (UVLO)
Thermal Shutdown and Overload Protection
Benefits
Reduces the number of external components
Additional output capacitance can be added to improve regulation during load transients without impacting stability
Flexible interface
Applications
Application, Graphics, an DSP Processors: ARM, Tegra, OMAP, NovaThor, ARMADA, Krit
Tablets, Netbooks, Ultra−Mobile PCs
Gaming Devices
End Products
Hard Disk Drives, LPDDR3, LPDDR4
Smart Phones

Specifications

Description FAN53526
Compliance Pb-free Halide free
VCC Min (V) 2.5
VCC Max (V) 5.5
VO Typ (V) Adjustable
IO Typ (A) 3
Efficiency (%) 80
fSW Typ (kHz) 2400
Package Type WLCSP-15

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Alternative Descriptions

Step-Down Regulators Sync Rohs Compliant: Yes |Onsemi FAN53526UC288X | Newark Electronics
DC / DC SWITCHING REGULATORS - ADJUSTABL | Farnell


Frequently Asked Questions

Where can I find additional details, specifications and documents for a FAN53526UC288X?

Additional datasheets, footprints and schematics for FAN53526UC288X are listed on our Part Details page. You can also find images and similar parts to FAN53526UC288X on this page.

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Distributor pricing and stock information is available for FAN53526UC288X on our Product Comparison page. Access via the 'View Pricing & Stock' button to view FAN53526UC288X price breaks, MOQs, lead times, inventory and SKUs from distributors.

What category does FAN53526UC288X fall under?

The FAN53526UC288X is listed under Power Management > DC-DC Power Conversion > Converters.

Can I view similar or alternative parts?

You can view similar parts to FAN53526UC288X when available in the Converters range under the specifications section at the bottom of the details page.

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Is the FAN53526UC288X RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by ON Semiconductor.

Which authorised distributors for FAN53526UC288X have stock available?

Authorised distributors including Newark Electronics, Avnet America, Farnell and Avnet Asia have stock available or on a lead time for FAN53526UC288X.

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