Overview
The MC34151D, produced by onsemi, is a dual inverting high-speed driver designed to interface low current digital circuitry with power MOSFETs. This device is constructed with Schottky clamped Bipolar Analog technology, offering high performance and ruggedness in hostile industrial environments. It is specifically tailored for applications requiring the drive of large capacitive loads with high slew rates.
Key Specifications
| Characteristics | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Power Supply Voltage | VCC | 20 | V | ||
| Logic Inputs | Vin | -0.3 | VCC | V | |
| Input Threshold Voltage - High to Low State | VIH | 1.58 | 1.75 | 2.6 | V |
| Input Threshold Voltage - Low to High State | VIL | 0.8 | V | ||
| Input Current - High State | IIH | -200 | -500 | μA | |
| Input Current - Low State | IIL | -20 | -100 | μA | |
| Totem Pole Sink or Source Current | IO | 1.5 | A | ||
| Output Rise and Fall Times (CL = 1000 pF) | 15 | ns | |||
| Operating Ambient Temperature | TA | 0 | 70 | °C |
Key Features
- Two Independent Channels with 1.5 A Totem Pole Output
- Output Rise and Fall Times of 15 ns with 1000 pF Load
- CMOS/LSTTL Compatible Inputs with Hysteresis
- Undervoltage Lockout with Hysteresis
- Low Standby Current
- Efficient High Frequency Operation
- Enhanced System Performance with Common Switching Regulator Control ICs
- Pb-Free and Halide-Free Packages Available
- Immune to Output Latchup
- Internal Diode to VCC for Clamping Positive Voltage Transients
Applications
The MC34151D is suitable for a variety of applications, including:
- Switching Power Supplies
- DC to DC Converters
- Capacitor Charge Pump Voltage Doublers/Inverters
- Motor Controllers
Q & A
- What is the primary function of the MC34151D?
The MC34151D is a dual inverting high-speed driver designed to interface low current digital circuitry with power MOSFETs.
- What are the typical applications of the MC34151D?
Typical applications include switching power supplies, DC to DC converters, capacitor charge pump voltage doublers/inverters, and motor controllers.
- What is the maximum power supply voltage for the MC34151D?
The maximum power supply voltage is 20 V.
- What is the output current capability of the MC34151D?
Each totem pole output can source and sink up to 1.5 A.
- Is the MC34151D immune to output latchup?
- What is the operating ambient temperature range for the MC34151D?
The operating ambient temperature range is from 0°C to +70°C.
- Does the MC34151D have undervoltage lockout?
- What type of logic inputs are compatible with the MC34151D?
The MC34151D has CMOS and LSTTL logic compatible inputs with hysteresis.
- Are Pb-Free packages available for the MC34151D?
- How do the output rise and fall times of the MC34151D compare?
The output rise and fall times are typically 15 ns with a 1000 pF load.
