Converters | NCP6343

3 A 处理器 - 带动态电压缩放的内存供应，I2C 编程瞬变负载帮助器

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概览

NCP6343 是一款同步降压稳压器，适用于在使用一个锂离子或三个碱性/镍镉/镍氢电池供电的便携式应用中，为需要大功率低电压的最新微处理器（ARM 内核处理器，GPU）供电。 该器件能够提供最高 3.0 A 的电流，可编程输出电压为 0.6 V 至 1.4 V。它可以与另一个 DCDC/LDO 共享相同的输出轨，用作瞬变负载帮助器。 3 MHz 开关频率运行允许使用少量组件。同步整流和自动 PWM/PFM 转换提高了总体方案能效。 NCP6343 采用节省空间的小型 1.99 x 1.34 mm CSP-15 封装。

  • 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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Package Type

Case Outline

MSL Type

MSL Temp (°C)

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Container Qty.

ON Target

Topology

Control Mode

VCC Min (V)

VCC Max (V)

VO Typ (V)

IO Typ (A)

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fSW Typ (kHz)

Reference Price

NCP6343BFCCT1G

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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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可靠性数据

Die Related Summary Data

Device: NCP6343BFCCT1G

Equivalent to wafer fab process: ONC25

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等效器件小时

平均故障间隔时间/平均无故障时间（按小时计算）

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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