Offline Regulators | FSD146MRBN

具有异常 OCP 功能的 650 V 集成电源开关，用于 26 W 离线反激式转换器

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概览

FSD146MRBN由集成式脉冲宽度调制(PWM)控制器和SenseFET组成，专为离线开关电源(SMPS)而设计，只需最少的外部组件。PWM控制器包括集成式固定频率振荡器、欠压锁定(UVLO)、前沿消隐(LEB)、优化的栅极驱动器、内部软启动、用于环路补偿的温度补偿精密电流源和自保护电路。与离散式MOSFET和PWM控制器解决方案相比，FSD146MRBN可在降低总成本、组件数、尺寸以及重量的同时提高效率、生产率和系统可靠性。该器件具有非常适合以经济高效方式设计反激转换器的基本平台。

  • LCD 电视
  • LED 电视
  • LCD监视器
  • DVD/机顶盒
  • 通过先进的软间歇模式运行实现低待机功耗和低可闻噪声
  • 通过随机频率波动 (RFF) 实现低 EMI
  • 逐脉冲限流
  • 各种保护功能：过载保护(OLP)、过压保护(OVP)、异常过流保护(AOCP)、带滞后的内部热关断(TSD)、带滞后的输出短路保护(OSP)和欠压闭锁(UVLO)
  • 突发模式下的低工作电流(0.4mA)
  • 内部启动电路
  • 内部高电压SenseFET：650V
  • 内置软启动：15ms
  • 自动重启模式

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Package Type

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MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Control Mode

fsw Typ (kHz)

fJitter Typ (%)

Stand-by Mode

RDS(ON) Typ (Ω)

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IPeak (mA)

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DSS (mA)

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FSD146MRBN

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Obsolete

CAD Model

Pb

A

H

P

PDIP-8

646CN

NA

0

TUBE

3000

N

Current Mode

67

-

-

2.1

650

1500

Yes

-

Yes

Yes

-

-

No

Price N/A

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