Converters | MC34167

降压/升压/逆变稳压器，开关，5.0 A

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MC34167、MC33167 系列为高性能固定频率电源降压升压逆变开关稳压器，包含了 DC-DC 转换器所需的主要功能。此系列专用于步降和电压反向配置，外部器件数量极少。此类器件由内部温度补偿参考、带片上计时部件的固定频率振荡器、用于单脉冲计量的锁存脉宽调制器、高增益误差放大器和高电流输出开关组成。保护功能包括按周期电流限制、欠压锁定和高温关断。另外还包括会将电源电流降至 36 µA 的低功耗待机模式。

  • Digital TV (LCD, PDP)
  • Efficient system pre-regulator for linear voltage regulators
  • Battery chargers
  • Output Switch Current in Excess of 5.0 A
  • Fixed Frequency Oscillator (72 kHz) with On-Chip Timing
  • Provides 5.05 V Output without External Resistor Divider
  • Precision 2% Reference
  • 0% to 95% Output Duty Cycle
  • Cycle-by-Cycle Current Limiting
  • Undervoltage Lockout with Hysteresis
  • Internal Thermal Shutdown
  • Operation from 7.5 V to 40 V
  • Standby Mode Reduces Power Supply Current to 36 µA
  • Economical 5-Lead TO-220 Package with Two Optional Leadforms
  • Also Available in Surface Mount D2 PAK Package
  • Moisture Sensitivity Level (MSL) Equals 1
  • Pb-Free Packages are Available

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MC34167D2TG

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Active

CAD Model

Pb

A

H

P

D2PAK-5

936A-02

1

260

TUBE

50

N

Step-Up/Step-Down

Voltage Mode

7.5

40

40

5

80

72

$2.5211

More Details

MC34167D2TR4G

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Active

CAD Model

Pb

A

H

P

D2PAK-5

936A-02

1

260

REEL

800

N

Step-Up/Step-Down

Voltage Mode

7.5

40

40

5

80

72

$2.4675

More Details

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