Les images sont à titre de référence seulement
TL494IN
IC REG CTRLR BCK/PUSH-PULL 16DIP
- Fabricant
- Mfr. Partie #TL494IN
- Paquet 16-DIP (0.300, 7.62mm)
- Fiche de données
- En stock5610
100% original & Nouveau
24 heures prêtes à expédier
Garantie 365 jours
RFQ et Obtenez plus de rabais
Spécifications
| 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) |
Vue d'ensemble
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
Expédition
Méthodes d'expéditionNous
offrir des services d'expédition mondiaux par DHL, FedEx, TNT, UPS ou tout autre expéditeur de votre choix.
Référence des frais d'expédition (DHL/FedEx):
DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.
FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.
UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.
TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.
EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.
Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.
Paiements
Payment Methods
Le terme de paiement est 100% prépayé.
Actuellement, nous n'acceptons que les méthodes de paiement ci-dessous:
1. PayPal
2. Carte de crédit/débit
3. Transfert bancaire
Similaire
-
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