Bilder sind nur zur Referenz
TL494CN
IC REG CTRLR BCK/PUSH-PULL 16DIP
- Hersteller
- Fr. Teil #TL494CN
- Paket PDIP (N)-16
- Datenblatt
- Auf Lager2811
100% Original und Neu
24 Stunden bereit zum Versand
365 Tage Garantie
RFQ & Erhalten Sie mehr Rabatte
Spezifikationen
| Package | Tube,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 | 0°C ~ 70°C (TA) |
| MountingType | Through Hole |
| Package/Case | 16-DIP (0.300, 7.62mm) |
Übersicht
Description
Key features of the TL494CN include dual error amplifiers, an adjustable dead-time control comparator, on-chip oscillator, a 5V precision reference voltage, and output control circuitry. These features enable the IC to maintain stable and efficient power regulation. The dual error amplifiers allow for easier feedback control, enhancing accuracy and reliability in various applications.
The TL494CN supports both voltage and current mode control, providing flexibility in design. Its adjustable dead-time control helps prevent power transistors from overlapping, thus reducing shoot-through and improving efficiency. The IC operates within a wide voltage range and can deliver output currents up to 200 mA.
Overall, the TL494CN is favored for its cost-effectiveness, reliability, and ability to simplify power management in electronic devices.
Features
1. PWM Control: It supports single-ended or push-pull configurations, making it suitable for various power supply designs.
2. Built-in Oscillator: Operates from a single resistor and capacitor, providing flexibility in setting the frequency.
3. Error Amplifiers: Two error amplifiers are integrated for precise voltage regulation and feedback control.
4. Dead-Time Control: Provides adjustable dead-time to prevent overlap in switching, enhancing efficiency and safety.
5. On-Chip Reference: A stable 5V reference voltage is provided for consistent operation and accuracy.
6. Output Transistors: Includes two transistor outputs that can be configured for different switching applications.
7. Undervoltage Lockout: Ensures proper operation by preventing the circuit from starting until it reaches the correct voltage.
8. Wide Supply Voltage Range: Operates effectively between 7V to 40V, accommodating various input conditions.
The TL494CN is widely used in applications requiring reliable and adjustable PWM control, such as switching power supplies, battery chargers, and motor speed controllers.
Package
Pinout
Here is a brief overview of its pin functions:
1. Compensation (Pin 1): Used for error amplifier compensation.
2. Feedback (Pin 2): Input for feedback voltage.
3. Dead-Time Control (Pin 3): Sets the dead-time of the output.
4. C1 (Pin 4): Timing capacitor for oscillator frequency.
5. R1 (Pin 5): Timing resistor for oscillator frequency.
6. C2 (Pin 6): Additional capacitor for oscillator frequency.
7. GND (Pin 7): Ground connection.
8. C3 (Pin 8): Sets the frequency of the oscillator.
9. VCC (Pin 12): Supply voltage.
10. Output Control (Pin 13): Determines the output configuration.
11. Collector Output A (Pin 10) & Emitter Output A (Pin 9): Transistor A outputs.
12. Collector Output B (Pin 11) & Emitter Output B (Pin 8): Transistor B outputs.
13. VREF (Pin 14): Reference voltage output.
14. Error Amplifier Inverting Input (Pin 15) & Non-Inverting Input (Pin 16): Inputs for the error amplifier.
This setup enables the TL494CN to control the duty cycle and regulate power supply outputs efficiently.
Manufacturer
Application
Equivalent
Versand
VersandmethodenWir
bieten Sie globale Versanddienstleistungen durch DHL, FedEx, TNT, UPS oder einen anderen Spediteur Ihrer Wahl.
Versandgebührenreferenz (DHL/FedEx):
DHL: Versandkosten reichen von $25-$45 (0.5kg), mit einer geschätzten Lieferzeit von 2-5 Werktagen.
von FedEx: Versandkosten reichen von $25-$40 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.
UPS: Versandkosten reichen von $25-$45 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.
TNT: Versandkosten reichen von $25-$65 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.
EMS: Versandkosten reichen von $30-$50 (0.5kg), mit einer geschätzten Lieferzeit von 7-15 Werktagen.
Registrierte Luftpost: Versandkosten sind $ 2- $ 4 (0,1 kg), mit einer geschätzten Lieferzeit von 5-20 Werktagen.
Zahlungen
Payment Methods
Die Zahlungsfrist ist 100% Prepaid.
Derzeit akzeptieren wir nur die folgenden Zahlungsmethoden:
1. PayPal
2. Kredit- / Debitkarte
3. Überweisung
Ähnliche
-
MX25L3233FZBI-08Q
Macronix
-
MX25V1635FZNQ03
Macronix
-
MX29F400CBTI-70G
Macronix
-
MX66U1G45GXDI00
Macronix
-
MX25R3235FZNIL0
Macronix
-
MX29GL512FHXFI-11..
Macronix
-
MX25U51279GXDR00
Macronix
-
MX25U25643GZNI00
Macronix
-
MX25L2006EM1I-12G
Macronix
-
MX25L12833FM2I-10..
Macronix
-
MX25L12833FZ2I-10..
Macronix
-
MX25U25645GXDI00
Macronix