The MC34167, MC33167 series are high performance fixed frequency power switching regulators that contain the primary functions required for dc–to–dc converters. This series was specifically designed to be incorporated in step–down and voltage–inverting configurations with a minimum number of external components and can also be used cost effectively in step–up applications.

•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

MC33167属于集成电路（IC） > 稳压器 - DC-DC 开关稳压器。安森美半导体公司制造生产的MC33167稳压器 - DC-DC 开关稳压器DC-DC 开关稳压器 PMIC（电源管理集成电路）产品族中的产品是元器件级设备，用于需要稳定 DC 输入电压和/或将其转换为不同幅度的输出电压的应用。这些器件与称为“控制器”PMIC 的类似产品的区别在于集成了主开关元件，设备提供的电力会通过该元件。