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UC3825ADWTR
IC REG CTRLR MULT TOP 16SOIC
- Fabricant
- Mfr. Partie #UC3825ADWTR
- Paquet SOIC (DW)-16
- Fiche de données UC3825ADWTR DataSheet
- En stock3232
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Spécifications
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| 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 of the UC3825ADWTR include a wide operating frequency range, high-speed PWM circuitry, and low start-up current requirements, which enhance its efficiency in power conversion tasks. It offers precise control over duty cycles, supports soft-start, and includes built-in protection mechanisms like overcurrent protection, which helps to maintain the integrity of the powered circuit.
The UC3825ADWTR is suitable for both voltage and current mode control loops, making it versatile for different power applications. Its surface-mount package allows for compact design and efficient thermal management in space-constrained environments. Overall, the UC3825ADWTR is an essential component for engineers designing reliable and efficient power systems.
Features
1. High-Speed Operation: Capable of operating at up to 1 MHz, allowing for fast switching speeds.
2. Programmable Output: Provides flexibility with a wide range of frequency settings through external resistors and capacitors.
3. Dual Output: Features a dual totem-pole output stage for driving power MOSFETs or IGBTs.
4. Current Limiting: Includes a peak current limiting function to protect against overcurrent conditions.
5. Undervoltage Lockout (UVLO): Ensures that the device operates only when the supply voltage is within the specified range.
6. Synchronization Capability: Can be synchronized to an external clock for applications requiring precise timing.
7. Soft Start: Offers a programmable soft-start feature to minimize inrush current during startup.
8. Wide Temperature Range: Supports operation over a broad temperature spectrum, suitable for industrial applications.
9. Low Start-Up Current: Reduces power consumption during initialization.
These features make the UC3825ADWTR suitable for a variety of power supply and motor control applications where efficiency and reliability are crucial.
Package
Pinout
1. 1 - COMP: Compensation for error amplifier.
2. 2 - VFB: Voltage feedback input.
3. 3 - ILIM/SD: Current limit and shutdown.
4. 4 - CS: Current sense input.
5. 5 - RT: Oscillator timing resistor.
6. 6 - CT: Oscillator timing capacitor.
7. 7 - SYNC: Synchronization input.
8. 8 - VREF: Reference output voltage.
9. 9 - EAOUT: Error amplifier output.
10. 10 - RAMP: Ramp input for PWM comparator.
11. 11 - PGND: Power ground.
12. 12 - OUTA: Output A.
13. 13 - OUTB: Output B.
14. 14 - VC: Supply voltage for output stages.
15. 15 - VCC: Supply voltage.
16. 16 - AGND: Analog ground.
These pins collectively manage the device's role in regulating power supply outputs through pulse-width modulation.
Manufacturer
Application
Equivalent
1. UC3825DW - Another variant in the same series with similar specifications.
2. UC3825AN - A DIP version with comparable features.
3. LM3525A - A similar PWM controller.
4. TL494 - A popular PWM controller alternative.
5. SG3525 - Often used in similar applications as a replacement.
Ensure to verify specifications and compatibility for your specific application before substitution.
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
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