規格
| 屬性 | 價值 |
| Package | Tube |
| ProductStatus | Active |
| DrivenConfiguration | Low-Side |
| ChannelType | Independent |
| NumberofDrivers | 2 |
| GateType | N-Channel, P-Channel MOSFET |
| Voltage-Supply | 4.5V ~ 18V |
| LogicVoltage-VILVIH | 0.8V, 2.4V |
| Current-PeakOutput(SourceSink) | 1.5A, 1.5A |
| InputType | Non-Inverting |
| Rise/FallTime(Typ) | 19ns, 19ns |
| OperatingTemperature | -40°C ~ 125°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
概述
Description
The TC4427VOA is a dual, high‑speed MOSFET gate driver. It provides two independent totem‑pole outputs that quickly source and sink current to charge and discharge MOSFET gates, enabling fast switching in power electronics without external drivers.
Key points:
- Dual driver with two inputs and two outputs (one for each channel).
- Supply voltage typical range: 4.5 to 18 V (suitable for logic‑level and standard MOSFET gates).
- High peak drive capability (per channel) to rapidly switch MOSFETs; inputs are TTL/CMOS compatible.
- Fast propagation delays (tens of nanoseconds, depending on conditions).
- Package: 8‑pin variant (VOA code indicates a specific package).
Common uses include switching regulators (buck/boost/flyback), motor drivers, and class‑D or other high‑speed switching applications.
Note: For exact electrical characteristics, timing, UVLO, and pinout, consult the TC4427 datasheet and the specific VOA package documentation.
Key points:
- Dual driver with two inputs and two outputs (one for each channel).
- Supply voltage typical range: 4.5 to 18 V (suitable for logic‑level and standard MOSFET gates).
- High peak drive capability (per channel) to rapidly switch MOSFETs; inputs are TTL/CMOS compatible.
- Fast propagation delays (tens of nanoseconds, depending on conditions).
- Package: 8‑pin variant (VOA code indicates a specific package).
Common uses include switching regulators (buck/boost/flyback), motor drivers, and class‑D or other high‑speed switching applications.
Note: For exact electrical characteristics, timing, UVLO, and pinout, consult the TC4427 datasheet and the specific VOA package documentation.
Equivalent
Common equivalents to TC4427VOA (dual high-speed MOSFET gate driver):
- MIC4427 (Micrel/Microchip)
- IR4427 (Infineon/International Rectifier)
- NCP4427 (On Semiconductor)
All are dual high-current gate drivers with similar voltage ranges. For exact package, timing, and cross-reference, check distributor cross-references (DigiKey/Mouser).
- MIC4427 (Micrel/Microchip)
- IR4427 (Infineon/International Rectifier)
- NCP4427 (On Semiconductor)
All are dual high-current gate drivers with similar voltage ranges. For exact package, timing, and cross-reference, check distributor cross-references (DigiKey/Mouser).
Features
- Dual, high-speed MOSFET gate drivers
- Two independent push-pull outputs to drive gates
- Wide supply range (typical 4.5 V to 18 V)
- TTL/CMOS-compatible input thresholds
- Fast switching with short propagation delay and fast rise/fall times
- Low quiescent current
- 8-pin package (SOIC-8); VOA suffix indicates package/packaging style
Applications: PWM motor drives, DC-DC converters, class D amps, and other gate-driving needs.
- Two independent push-pull outputs to drive gates
- Wide supply range (typical 4.5 V to 18 V)
- TTL/CMOS-compatible input thresholds
- Fast switching with short propagation delay and fast rise/fall times
- Low quiescent current
- 8-pin package (SOIC-8); VOA suffix indicates package/packaging style
Applications: PWM motor drives, DC-DC converters, class D amps, and other gate-driving needs.
Pinout
- Pin count: 8 pins (SOIC-8 package, TC4427VOA).
- Function: Dual high-speed MOSFET gate driver with two independent push-pull outputs. It accepts two logic inputs (IN1, IN2) and provides two corresponding gate-drive outputs (OUT1, OUT2) to drive external N-channel MOSFETs from a single supply (Vcc with GND). Used for fast switching in power supplies, motor drives, etc.
- Function: Dual high-speed MOSFET gate driver with two independent push-pull outputs. It accepts two logic inputs (IN1, IN2) and provides two corresponding gate-drive outputs (OUT1, OUT2) to drive external N-channel MOSFETs from a single supply (Vcc with GND). Used for fast switching in power supplies, motor drives, etc.
Manufacturer
Manufacturer: Toshiba Corporation (Toshiba Semiconductor).
What kind of company: A Japanese multinational electronics and electrical equipment conglomerate that designs and manufactures semiconductors and other electronic components.
What kind of company: A Japanese multinational electronics and electrical equipment conglomerate that designs and manufactures semiconductors and other electronic components.
Application
TC4427VOA is a dual high-speed MOSFET gate driver. Common application areas:
- Driving power MOSFETs in switch-mode power supplies and DC-DC converters (buck/boost/inverter, flyback)
- Motor control (BLDC, stepper, brushed) via MOSFET bridges
- Gate-drive for half-bridge/full-bridge configurations
- High-speed PWM/power-stage apps such as Class-D amplifiers
- General-purpose fast gate driving for solenoids/relays
Inputs are TTL/CMOS-compatible; outputs source/sink peak current to switch MOSFETs quickly.
- Driving power MOSFETs in switch-mode power supplies and DC-DC converters (buck/boost/inverter, flyback)
- Motor control (BLDC, stepper, brushed) via MOSFET bridges
- Gate-drive for half-bridge/full-bridge configurations
- High-speed PWM/power-stage apps such as Class-D amplifiers
- General-purpose fast gate driving for solenoids/relays
Inputs are TTL/CMOS-compatible; outputs source/sink peak current to switch MOSFETs quickly.
Package
An 8-pin SOIC (SOP-8) surface-mount package.
