Overview
The MC33152DG, 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 Junction Temperature | TJ | - | - | +150 | °C |
| Operating Ambient Temperature | TA | -40 | - | +85 | °C |
| Input Threshold Voltage | VIH/VIL | 0.8/1.75 | 1.58/2.6 | - | V |
| Output Rise Time (10% to 90%) | tr | - | 14 | - | ns |
| Output Fall Time (90% to 10%) | tf | - | 15 | - | ns |
| Power Supply Current (Standby) | ICC | - | 6.0 | - | mA |
| 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.
- Output rise and fall times of 15 ns with a 1000 pF load.
- 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 dual-in-line and surface mount packages.
Applications
The MC33152DG is typically used in various applications requiring high-speed driving of power MOSFETs, including:
- Switching power supplies.
- DC-to-DC converters.
- Capacitor charge pump voltage doublers/inverters.
- Motor controllers.
Q & A
- What is the maximum power supply voltage for the MC33152DG?
The maximum power supply voltage (VCC) is 20 V.
- What is the typical output rise and fall time for the MC33152DG?
The typical output rise and fall times are 15 ns with a 1000 pF load.
- Is the MC33152DG compatible with CMOS and LSTTL logic families?
- What is the maximum sink or source current for the totem pole outputs?
The maximum sink or source current for the totem pole outputs is 1.5 A.
- What is the operating ambient temperature range for the MC33152DG?
The operating ambient temperature range is -40°C to +85°C.
- Does the MC33152DG have undervoltage lockout protection?
- What are the typical applications for the MC33152DG?
- Is the MC33152DG immune to output latchup conditions?
- What package types are available for the MC33152DG?
- What is the startup threshold voltage for the MC33152DG?
