Overview
The MC33152DR2G, produced by onsemi, is a dual noninverting high-speed driver designed to interface low current digital circuitry with power MOSFETs. This device is constructed using Schottky clamped Bipolar Analog technology, offering high performance and ruggedness in hostile industrial environments. It features two independent channels with high current totem pole outputs, making it ideal for driving 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 | |
| Totem Pole Sink or Source Current | IO | 1.5 | A | ||
| Operating Ambient Temperature | TA | -40 | +85 | °C | |
| Storage Temperature Range | Tstg | -65 | +150 | °C | |
| Input Threshold Voltage | VIH/VIL | 0.8 | 1.67 | 2.6 | V |
| Output Rise Time (10% to 90%) | tr | 14 | ns | ||
| Output Fall Time (90% to 10%) | tf | 15 | ns | ||
| Propagation Delay (CL = 1.0 nF) | tPLH/tPHL | 55/40 | ns | ||
| Startup Threshold | Vth | 5.8 | 6.1 | V |
Key Features
- Two independent channels with 1.5 A totem pole outputs, suitable for driving power MOSFETs.
- CMOS/LSTTL compatible inputs with hysteresis for fast output switching independent of input transition time.
- Low input current, making it compatible with CMOS and LSTTL logic families.
- Undervoltage lockout with hysteresis to prevent system erratic operation at low supply voltages.
- Internal diode to VCC for clamping positive voltage transients and NPN pullup transistor for negative output transients.
- Immune to output latchup conditions.
- Available in SOIC-8 and PDIP-8 packages.
Applications
- Switching power supplies.
- DC-to-DC converters.
- Capacitor charge pump voltage doublers/inverters.
- Motor controllers.
- Noise-sensitive applications where controlled MOSFET turn-on and turn-off times are necessary.
Q & A
- What is the primary function of the MC33152DR2G?
The MC33152DR2G is a dual noninverting high-speed driver designed to interface low current digital circuitry with power MOSFETs.
- What are the key features of the MC33152DR2G's inputs?
The inputs are CMOS/LSTTL compatible with hysteresis, ensuring fast output switching independent of input transition time, and each input has a 30 kΩ pulldown resistor.
- What is the maximum current capability of the totem pole outputs?
The totem pole outputs can source and sink up to 1.5 A.
- What is the operating ambient temperature range for the MC33152?
The operating ambient temperature range is -40°C to +85°C.
- What is the purpose of the undervoltage lockout feature?
The undervoltage lockout feature prevents system erratic operation at low supply voltages.
- How does the device protect against output latchup conditions?
The device is immune to output latchup conditions due to its internal circuit design.
- What types of packages are available for the MC33152DR2G?
The device is available in SOIC-8 and PDIP-8 packages.
- What are some typical applications for the MC33152DR2G?
Typical applications include switching power supplies, DC-to-DC converters, capacitor charge pump voltage doublers/inverters, and motor controllers.
- How does the device handle positive and negative output transients?
The device contains an internal diode to VCC for clamping positive voltage transients and an NPN pullup transistor for negative output transients.
- What is the significance of the input hysteresis in the MC33152DR2G?
The input hysteresis provides fast output switching that is independent of the input signal transition time, preventing output oscillations.
