Converters | NCP6343

3 A Processor - Memory Supply with Dynamic Voltage Scaling, I2C Programming. Transient load helper

Obsolete

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Overview

The NCP6343 is a synchronous buck converter optimized to supply recent micro processors (ARM core processor, GPU), memories, that demand high power at low voltages of portable applications powered by one cell Li-ion or three cell Alkaline/NiCd/NiMH batteries.
The device is able to deliver up to 3.0 A, with programmable output voltage from 0.6 V to 1.4 V. It could share the same output rail with another DCDC/LDO and works as a transient load helper. Operation at a 3 MHz switching frequency allows the use of small components. Synchronous rectification and automatic PWM/PFM transitions improve overall solution efficiency.
The NCP6343 is in a space saving, low profile 1.99 x 1.34 mm CSP-15 package.

  • Battery powered applications
  • Power supply for processor with low core voltage
  • LP-DDR Memory

  • Cellular phones, smart phones, tablets

  • 2.3 V to 5.5 V Input Voltage Range
  • 3 MHz Switching Frequency
  • DVS support through I2C
  • Enabling with pins or I2C
  • IC access in off mode
  • Transient Load Helper

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Reference Price

NCP6343BFCCT1G

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Obsolete

CAD Model

Pb

A

H

P

WLCSP-15

567GB

1

260

REEL

3000

N

Step-Down

Voltage Mode

2.3

5.5

1.225

3

93

3000

Price N/A

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Reliability Data

Die Related Summary Data

Device: NCP6343BFCCT1G

Equivalent to wafer fab process: ONC25

Product Technology

Product Technology

Equivalent Device-Hours

MTBF/MTTF in Hours

FITS

ONC25

1

2712519294

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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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