Las imágenes son solo para referencia
TL494IN
IC REG CTRLR BCK/PUSH-PULL 16DIP
- Fabricante
- Mfr. Parte #TL494IN
- Paquete 16-DIP (0.300, 7.62mm)
- Hoja de datos
- En stock5610
100% original & Nuevo
24 horas listos para el envío
Garantía de 365 días
RFQ y Obtenga más descuentos
Especificaciones
| Package | Tube |
| Series | SWITCHMODE™ |
| ProductStatus | Obsolete |
| OutputType | Transistor Driver |
| Function | Step-Down, Step-Up/Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck, Push-Pull |
| NumberofOutputs | 2 |
| OutputPhases | 1 |
| Voltage-Supply(Vcc/Vdd) | 7V ~ 40V |
| Frequency-Switching | 200kHz |
| DutyCycle(Max) | 48% |
| SynchronousRectifier | Yes |
| ClockSync | No |
| ControlFeatures | Dead Time Control, Frequency Control |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Through Hole |
| Package/Case | 16-DIP (0.300, 7.62mm) |
Descripción general
Description
Key specifications include an operating temperature range of -40°C to 85°C, a supply voltage range of 7V to 40V, and adjustable output duty cycles. The device can operate in both single-ended and push-pull configurations. The built-in error amplifiers allow the TL494IN to maintain precise control over output voltage and current, ensuring stable operation.
The IC is encapsulated in a 16-pin DIP (dual in-line package), making it suitable for through-hole mounting. It is commonly used in consumer electronics, automotive applications, and industrial power systems due to its reliability and efficiency.
Overall, the TL494IN is valued for its simplicity, cost-effectiveness, and robust performance in PWM control tasks.
Features
1. PWM Control: It integrates a fixed-frequency oscillator with a dead-time control comparator and a PWM comparator, allowing precise control over duty cycles.
2. Dual Output: Capable of driving two NPN transistors for push-pull or single-ended applications, making it suitable for both half-bridge and full-bridge configurations.
3. Built-in References: It includes a 5V internal reference voltage, ensuring stable operation and reducing the need for external components.
4. Error Amplifiers: Two error amplifiers with a common-mode input voltage range from -0.3V to VCC-2V allow for flexible feedback and control loop configurations.
5. Adjustable Dead Time: Dead-time control functionality helps prevent transistor overlap, enhancing efficiency and protecting the output stage.
6. Wide Supply Voltage Range: Operates typically from 7V to 40V, providing flexibility in various power supply designs.
7. Protection and Flexibility: Features such as undervoltage lockout and thermal protection improve reliability.
The TL494IN is favored for its robust performance, adaptability, and ease of integration in diverse applications.
Package
Pinout
1. Pin 1 & 2 (C1, C2): Input to the error amplifiers.
2. Pin 3 (FEEDBACK): Provides feedback to the inverting input of the error amplifier.
3. Pin 4 (DTC - Dead-Time Control): Controls the dead-time between outputs to prevent overlap.
4. Pin 5 (CT - Timing Capacitor): Sets the oscillator frequency with an external capacitor.
5. Pin 6 (RT - Timing Resistor): Works with CT to set the oscillator frequency.
6. Pin 7 (GND): Ground reference.
7. Pin 8 (C1, C2): Outputs of the error amplifiers.
8. Pin 9 (E1, E2): Inputs to the error amplifiers.
9. Pin 10 (SYNC): Synchronization input.
10. Pin 11 (VREF): 5V reference output.
11. Pin 12 (VCC): Supply voltage.
12. Pin 13 (EMIT): Emitter output of the internal transistor.
13. Pin 14 (COLLECTOR - C1, C2): Collector output of the internal transistor.
14. Pin 15 (OUTPUT): Provides PWM output.
15. Pin 16 (OUTPUT): Provides PWM output.
The TL494IN is designed for efficient and precise control over PWM operations.
Manufacturer
Application
Equivalent
Envío
Métodos de envíoNosotros
ofrecer servicios de envío globales a través de DHL, FedEx, TNT, UPS, o cualquier otro expediente de su elección.
Referencia de tarifas de envío (DHL/FedEx):
DHL: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 2-5 días hábiles.
FedEx: El costo de envío oscila entre $25-$40 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.
UPS: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.
TNT: El costo de envío oscila entre $25-$65 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.
EMS: El costo de envío oscila entre $30-$50 (0.5kg), con un plazo de entrega estimado de 7-15 días hábiles.
Correo aéreo registrado: El costo de envío es de $2-$4 (0.1kg), con un tiempo de entrega estimado de 5-20 días hábiles.
Pagos
Payment Methods
El plazo de pago es 100% prepagado.
Actualmente, solo aceptamos los siguientes métodos de pago:
1. de PayPal
2. Tarjeta de crédito/débito
3. Transferencia bancaria
Similar
-
MX29F400CBTI-70G
Macronix
-
MX66U1G45GXDI00
Macronix
-
MX25V5126FM1I
Macronix
-
MX25V4035FZUI
Macronix
-
MX25R3235FZNIL0
Macronix
-
MX30LF2G28AD-TI
Macronix
-
MX29GL512FHXFI-11..
Macronix
-
MX25U51279GXDR00
Macronix
-
MX25R1635FZUIH0
Macronix
-
MX25L12833FZNI-10..
Macronix
-
MX25L12835FZ2I-10..
Macronix
-
MX29F040CQI-70G
Macronix