Converters | FAN4860

3MHz Synchronous TinyBoost™

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Overview

The FAN4860 is a low-power boost regulator designed to provide a regulated 3.3 V, 5.0 V or 5.4 V output from a single cell Lithium or Li-Ion battery. Output voltage options are fixed at 3.3 V, 5.0 V, or 5.4 V with a guaranteed maximum load current of 200 mA at VIN=2.3 V and 300 mA at VIN=3.3 V. Input current in Shutdown Mode is less than 1 µA, which maximizes battery life.
Light-load PFM operation is automatic and “glitch-free”. The regulator maintains output regulation at no-load with as low as 37 µA quiescent current.
The combination of built-in power transistors, synchronous rectification, and low supply current make the FAN4860 ideal for battery powered applications.
The FAN4860 is available in 6-bump 0.4 mm pitch Wafer-Level Chip Scale Package (WLCSP) and a 6-lead 2x2 mm ultra-thin MLP package.

  • TBA

  • Operates with Few External Components: 1 µH Inductor and 0402 Case Size Input and Output Capacitors
  • Input Voltage Range from 2.3 V to 5.4 V
  • Fixed 3.3 V, 5.0 V, or 5.4 V Output Voltage Options
  • Maximum Load Current >150 mA at VIN=2.3 V
  • Maximum Load Current 300 mA at VIN=3.3 V, VOUT=5.4 V
  • Maximum Load Current 300 mA at VIN=3.3 V, VOUT=5.0 V
  • Maximum Load Current 300 mA at VIN=2.7 V, VOUT=3.3 V
  • Up to 92% Efficient
  • Low Operating Quiescent Current
  • True Load Disconnect During Shutdown
  • Variable On-time Pulse Frequency Modulation (PFM) with Light-Load Power-Saving Mode
  • Internal Synchronous Rectifier (No External Diode Needed)
  • Thermal Shutdown and Overload Protection
  • 6-Pin 2 x 2 mm UMLP
  • 6-Bump WLCSP, 0.4 mm Pitch

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FAN4860UC5X

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CAD Model

Pb

A

H

P

WLCSP-6

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260

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N

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Current Mode

2.3

4.5

5

0.4

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$0.3335

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Reliability Data

Die Related Summary Data

Device: FAN4860UC5X

Equivalent to wafer fab process: 36

Product Technology

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Equivalent Device-Hours

MTBF/MTTF in Hours

FITS

36

0

630555494

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Re-calculate Data

Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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