Les images sont à titre de référence seulement
UC3825ADW
IC REG CTRLR MULT TOP 16SOIC
- Fabricant
- Mfr. Partie #UC3825ADW
- Paquet SOIC-16
- Fiche de données UC3825ADW DataSheet
- En stock2292
100% original & Nouveau
24 heures prêtes à expédier
Garantie 365 jours
RFQ et Obtenez plus de rabais
Spécifications
| Package | Tube |
| ProductStatus | Active |
| OutputType | Transistor Driver |
| Function | Step-Up, Step-Up/Step-Down |
| OutputConfiguration | Positive |
| Topology | Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull |
| NumberofOutputs | 2 |
| OutputPhases | 1 |
| Voltage-Supply(Vcc/Vdd) | 8.4V ~ 22V |
| Frequency-Switching | 400kHz ~ 1MHz |
| DutyCycle(Max) | 50% |
| SynchronousRectifier | No |
| ClockSync | No |
| ControlFeatures | Current Limit, Frequency Control, Ramp, Soft Start |
| OperatingTemperature | 0°C ~ 70°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 16-SOIC (0.295, 7.50mm Width) |
Vue d'ensemble
Description
Key features include dual output drives capable of sourcing or sinking high peak currents, which are suitable for driving power MOSFETs or IGBTs. It also offers programmable dead-time, soft-start capability, and under-voltage lockout for reliable start-up. The high-speed oscillator can be programmed for frequency modulation and synchronization, providing flexibility in design.
With its robust construction and high-speed performance, the UC3825ADW is commonly used in applications such as DC-DC converters, inverters, and offline switching power supplies. It is packaged in a surface-mount package, which facilitates compact circuit designs. The device is widely appreciated for its efficiency, reliability, and ability to handle power-intensive operations effectively.
Features
1. High-Frequency Operation: It supports up to 1 MHz, allowing for smaller and lighter power supply designs.
2. Precision Voltage Reference: It offers a 5V reference with a tight tolerance, ensuring accuracy and stability in power supply outputs.
3. Variable Duty Cycle: The controller provides a wide range of duty cycles, enhancing flexibility and efficiency in power conversion.
4. Push-Pull, Single-Ended, and Bridge Configuration: Its versatile design supports multiple topologies, making it suitable for a broad range of applications.
5. Programmable Dead Time: This feature allows adjustment of the dead time to optimize performance and reduce switching losses.
6. Soft-Start Capability: It includes a programmable soft-start function to prevent inrush current and enhance reliability.
7. Over-Current Protection: Built-in protection against over-current conditions helps safeguard the system.
8. Undervoltage Lockout: Ensures the controller operates only when the supply voltage is within the specified range, protecting against under-voltage conditions.
These features make the UC3825ADW ideal for applications requiring precise control and high efficiency in power management.
Package
Pinout
1. Compensation (COMP): Error amplifier output for loop compensation.
2. Voltage Feedback (VFB): Inverting input to the error amplifier.
3. Current Sense (CS): Non-inverting input for current limiting.
4. RT/CT: Timing resistor and capacitor for setting oscillator frequency.
5. Dead Time Control (DTC): Adjusts dead time between outputs.
6. Soft Start (SS): Controls the soft-start period.
7. Shutdown (SD): Input to shutdown the PWM outputs.
8. Ground (GND): Circuit ground.
9. Output A (OUTA): PWM output A.
10. Output B (OUTB): PWM output B.
11. VCC: Supply voltage for the device.
12. VREF: Reference voltage output.
13. Ramp: Oscillator's ramp voltage.
14. Sync: Synchronize the oscillator.
15. VDD: Power supply input.
16. Error Amp Output (EAO): Used for feedback loop.
These pins and their functions are designed to configure and operate the PWM controller effectively.
Manufacturer
Application
Equivalent
1. UC3825A from Texas Instruments
2. TL494 from Texas Instruments
3. SG3525A from ON Semiconductor
4. LM3524D from Texas Instruments
5. KA3525A from Fairchild Semiconductor
These devices offer similar functionalities, but you should verify specific features and pin compatibility for your application.
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
-
MX25R8035FM1IL0
Macronix
-
MX25V1635FZNI
Macronix
-
MX66U1G45GXDI00
Macronix
-
MX25R3235FZNIL0
Macronix
-
MX25L25673GMI-08G
Macronix
-
MX25U51279GXDR00
Macronix
-
MX25V1635FM2I
Macronix
-
MX25U3232FZBI02
Macronix
-
MX25L6433FM2I-08G
Macronix
-
MX25L12833FZ2I-10..
Macronix
-
MX29LV160DTTI-70G
Macronix
-
MX29F040CQI-70G
Macronix