辅助侧控制器,恒定电压/恒定电流 (CV / CC)

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NCP4328 是一款辅助侧 SMPS 控制器,适用于需要恒定电压和/或恒定电流调节的应用。NCP4328x 由两个用于电压和电流环路调节,且带有精确的内部电压参比的 OTA 放大器组成。OTA 的输出为开漏类型(仅 OTA 汲电流)。NCP4328B 包括一个使用 1 kHz 方形波驱动的开路 MOSFET 实施的 LED 驱动器引脚,当 VCC 高于 UVLO 时会以 12.5% 占空比运行,以用于指示。NCP4328A 采用 TSOP5 封装,而 NCP4328B 采用 TSOP6 封装。

  • CC CV Charging
  • LED Lighting
  • LED Lighting
  • LCD TV
  • Operating Input Voltage Range: 2.5 V to 36.0 V
  • Supply current < 100 uA
  • 0.5% Reference Voltage Accuracy (TJ = 25C)
  • Constant Voltage and Constant Current Control Loop
  • Indication LED PWM Modulated Driver (NCP4328B)

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NCP4328ASNT1G

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Active

CAD Model

Pb

A

H

P

TSOP-5 / SOT-23-5

1

260

REEL

3000

Y

Adjustable

1.25

0.48

0.105

0.105

1.256

-40

125

$0.1725

More Details

NCP4328BSNT1G

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Active

CAD Model

Pb

A

H

P

TSOP-6

1

260

REEL

3000

Y

Adjustable

1.25

0.48

0.115

0.115

1.256

-40

125

$0.1725

More Details

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