ONSEMI MC34167TV — 5.0 A Inverting Switching Regulator, Step-Up/Down/Inverting, 7.5–40 V Input, TO-220 5-Lead — Partial tube of 42 pieces. High-performance fixed-frequency (72 kHz) PWM power switching regulator with on-chip timing, designed for step-down and voltage-inverting DC-to-DC converter applications with a minimum number of external components. Integrates a precision 5.05 V reference, high-gain error amplifier, cycle-by-cycle current limiting, undervoltage lockout, and thermal shutdown in an economical TO-220 package.
Available in stock — ships within 3 days after payment.
Product overview
| Part number | MC34167TV |
| Manufacturer | onsemi (ON Semiconductor) |
| Product type | Fixed-frequency PWM switching regulator — step-down / step-up / voltage-inverting |
| Input voltage range (VCC) | 7.5 V to 40 V |
| Output switch current | > 5.0 A (current limit threshold typ. 6.5 A) |
| Oscillator frequency (typ.) | 72 kHz — fixed, on-chip timing components |
| Output duty cycle | 0% to 95% |
| Internal voltage reference | 5.05 V ± 2% (provides 5.05 V output without external resistor divider) |
| Undervoltage lockout (UVLO) | Startup at 5.9 V typ., 0.9 V hysteresis |
| Standby supply current | 36 µA typ. (low-power standby mode) |
| Thermal shutdown | Yes — activates at approx. 170°C |
| ESD protection (HBM) | 2000 V |
| Operating temperature range | 0°C to +70°C (MC34167) |
| Package | TO-220, 5-lead vertical mount (Pb-Free) |
| Date code | 20+ |
| Quantity | 42 pieces (partial tube) |
| RoHS compliance | Yes — Pb-Free |
| Condition | New — original packaging (OVP) |
Applications
- Step-down DC-to-DC converters in computer, industrial, and automotive power systems
- Voltage-inverting converters for generating negative rails from a positive supply
- Step-up/down converters using an external power MOSFET
- Variable motor speed control with back-EMF feedback
- Multi-output converter designs using transformer secondaries on the main inductor
- Battery-powered systems benefiting from the 36 µA low-power standby mode
Shipping
- Ships within 3 days after payment
- Secure packaging for safe delivery
- Free delivery within Germany
Warranty & compliance
- 12-month warranty included
- Product is fully compliant with EU industry standards
- VAT invoice included with every order
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