Converters | NCP3066

降压/升压/逆变稳压器，开关，恒定电流，1.5 A，用于带启用的 HB-LED

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概览

NCP3066 是一款单片降压升压逆变开关稳压器，用于为高亮度 LED 提供恒定电流供电。该器件具有 235 mV（标称值）的极低反馈电压，用于调节 LED 串的平均电流。另外，NCP3066 具有很宽的输入电压范围，最高可达 40 V，因此可在照明应用常用的 12 Vac 或 12 Vdc 电源下运行，也可在充电电池等无调节电源下运行。NCP3066 开关稳压器可配置在步降（降压）、步升（升压）和反向电压拓扑结构中，外部部件数量极少。提供 NCV3066 汽车版本，与 NCP3065 一样不带开关功能。

  • Constant Current Source
  • High Power LED Driver
  • High Brightness LED (HBLED)
  • MR-16 Replacement
  • Automotive LED Headlight
  • Integrated 1.5 A Switch
  • Input Voltage Range from 3 V to 40 V
  • Low Feedback Voltage of 235 mV
  • Cycle-by-Cycle Current Limit
  • No Control Loop Compensation Required
  • Frequency of Operation Adjustable up to 250 kHz
  • Operation With All Ceramic Output Capacitors or No Output Capacitance
  • Internal Thermal Shutdown with Hysteresis
  • ON/OFF pin for direct PWM dimming
  • ON/OFF pin disabling the regulator

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MSL Temp (°C)

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VCC Min (V)

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Reference Price

NCP3066DR2G

Contact Sales

Active

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

Y

Step-Up/Step-Down

Hysteretic

3

40

40

1.5

85

250

$0.677

More Details

NCP3066MNTXG

Contact Sales

Lifetime

CAD Model

Pb

A

H

P

DFN-8

488AF

1

260

REEL

4000

N

Step-Up/Step-Down

Hysteretic

3

40

40

1.5

85

250

$0.7375

More Details

NCV3066DR2G

Contact Sales

Active

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

Y

Step-Up/Step-Down

Hysteretic

3

40

40

1.5

85

250

$0.7299

More Details

NCV3066MNTXG

Contact Sales

Lifetime

CAD Model

Pb

A

H

P

DFN-8

488AF

1

260

REEL

4000

N

Step-Up/Step-Down

Hysteretic

3

40

40

1.5

85

250

$0.7375

More Details

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