Converters | FAN53870

Two Low Input LDOs, Three High PSRR LDOs, Two General Purpose LDOs PMIC

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Overview

The FAN53870 is a low Iq PMIC for mobile power applications such as camera modules. The PMIC contains two very low drop-out, 1A LDOs, guaranteed to operate from voltages as low as 1.0V input to improve system efficiency. Three LDOs are designed for ultra-low noise and high PSRR support of camera analog loads or can be used for powering RF circuitry. The FAN53870 contains two additional 300mA LDOs with excellent performance. Each LDO has two I2C settable Over Current Protection (OCP) levels and four different debounce timer settings. Each power input has its own Under-Voltage Level Output (UVLO) detection circuit and the LDOs operate independent of the VIN state of the other LDOs. The FAN53870 provides an interrupt pin to alert the system when an OCP, UVLO, over-temp (OT) occurs or if an output is under-voltage (UV).

  • Camera module

  • Smartphones
  • Tablets
  • Compact Camera Modules

  • Wafer−Level Chip−Scale Package (WLCSP)
  • Very Low Voltage Operating Levels
  • 8mV Programmable Voltages Steps
  • Soft−Start (SS) Inrush Current Limiting
  • I2C Programmable Start-up/Shut-down Sequencing
  • Interrupt Notification for OCP, UVLO, OT, UV
  • Output Discharge When Shutdown
  • Over-temperature Warning
  • Programmable Compensation
  • 0.1% Load Regulation for all LDOs
  • LDO1 and LDO2: 800mA, VIN Range: 1.0V to 5.5V, VOUT Range: 0.8V to 1.5V
  • Low Drop-out voltage, 120mV(Typ) for LDO1/2 @1A, 85mV(Typ) for LDO3/4/5@300mA, 110mV(Typ) for LDO6/7@300mA
  • Current Limit to Protect Against Short Circuit
  • I2C Protection Fault (UVLO, OCP, UVP and OTP) Registers
  • LDO3 and LDO4: 300mA, VIN Range: 1.9V to 5.5V, VOUT Range: 1.5V to 3.4V，low noise
  • LDO5,LDO6 and LDO7: 300mA, VIN Range: 1.9V to 5.5V, VOUT Range: 1.5V to 3.4V

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FAN53870UC00X

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CAD Model

Pb

A

H

P

WLCSP20 1.61x1.96x0.432

567YA

1

260

REEL

3000

N

Linear

Voltage Mode

1.9

5.5

1.05V-2.8V

1

NA

NA

$0.4667

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Reliability Data

Die Related Summary Data

Device: FAN53870UC00X

Equivalent to wafer fab process: CMOS SUB

Product Technology

Product Technology

Equivalent Device-Hours

MTBF/MTTF in Hours

FITS

CMOS SUB

2

920154574

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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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