Product Details
| 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. These devices consist of an internal temperature compensated reference, fixed frequency oscillator with on−chip timing components, latching pulse width modulator for single pulse metering, high gain error amplifier, and a high current output switch. Protective features consist of cycle−by−cycle current limiting, undervoltage lockout, and thermal shutdown. Also included is a low power standby mode that reduces power supply current to 36 A. Features • 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 A • Economical 5−Lead TO−220 Package with Two Optional Leadforms • Also Available in Surface Mount D2PAK Package • Moisture Sensitivity Level (MSL) Equals 1 • Pb−Free Packages are Available |
Product Description
| Type | Description |
| ANSC PART# | ANSC - MC33167D2T |
| Category | Integrated Circuits (ICs) |
| Power Management (PMIC) | |
| Voltage Regulators - DC DC Switching Regulators | |
| Mfr | Original |
| Series | - |
| Packaging | Tube |
| Part Status | Obsolete |
| Function | Step-Up, Step-Down |
| Output Configuration | Positive or Negative |
| Topology | Buck, Boost |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 7.5V |
| Voltage - Input (Max) | 40V |
| Voltage - Output (Min/Fixed) | 5.05V |
| Voltage - Output (Max) | 40V (Switch) |
| Current - Output | 5.5A (Switch) |
| Frequency - Switching | 72kHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | TO-263-6, D2PAK (5 Leads + Tab), TO-263BA |
| Supplier Device Package | D2PAK-5 |
| Base Product Number | MC33167 |
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Product datasheet
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