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UC2823ADWTR
IC REG CTRLR MULT TOP 16SOIC
- Fabricant
- Mfr. Partie #UC2823ADWTR
- Paquet
- Fiche de données UC2823ADWTR DataSheet
- En stock4115
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Spécifications
| Part Status | Active |
| Output Type | Transistor Driver |
| Function | Step-Up, Step-Up/Step-Down |
| Output Configuration | Positive |
| Topology | Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull |
| Number of Outputs | 1 |
| Output Phases | 1 |
| Voltage - Supply (Vcc/Vdd) | 8.4V ~ 22V |
| Frequency - Switching | 400kHz ~ 1MHz |
| Duty Cycle (Max) | 100% |
| Synchronous Rectifier | No |
| Clock Sync | No |
| Control Features | Current Limit, Frequency Control, Ramp, Soft Start |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 16-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 16-SOIC |
| Base Product Number | UC2823 |
Vue d'ensemble
Description
Key features include a wide operating voltage range, high output current capability, and low start-up current. The UC2823ADWTR also provides built-in protection mechanisms such as overcurrent protection and under-voltage lockout, enhancing system reliability. It offers flexibility with adjustable dead time, allowing for optimization in different applications.
The device is packaged in a surface-mount form, specifically the SOIC-16 (DW) package, which is suitable for compact circuit designs. It is commonly used in telecommunications, industrial electronics, and other applications requiring efficient power conversion and management.
Features
1. Wide Input Voltage Range: Operates effectively across a broad range of input voltages, enhancing versatility for various power supply designs.
2. High-Speed Performance: Capable of high-frequency operation, which allows for more compact power supply designs with smaller magnetic components.
3. Current Mode Control: Provides better stability and transient response by directly monitoring the output current.
4. Soft Start Capability: Reduces inrush current during startup, thus protecting the system from potential damage.
5. Undervoltage Lockout (UVLO): Ensures that the device operates only when the input voltage is within a specified range, preventing erratic behavior when the supply voltage is too low.
6. Output Drive Capacity: Features a strong drive capability suitable for driving large power MOSFETs, improving overall efficiency.
7. Protection Features: Includes overcurrent protection to safeguard the system from overload conditions.
This controller is commonly used in high-efficiency power supply units and converters, where precision and reliability are critical.
Package
Pinout
1. Pin 1 (ILIM/SD): Current limiting and shutdown.
2. Pin 2 (VFB): Voltage feedback input.
3. Pin 3 (VIN): Voltage input.
4. Pin 4 (EAOUT): Error amplifier output.
5. Pin 5 (RT/CT): Timing resistor/capacitor setting for oscillator frequency.
6. Pin 6 (SYNC): Synchronization input.
7. Pin 7 (VC): Compensation input.
8. Pin 8 (GND): Ground.
9. Pin 9 (OUTA): Output A.
10. Pin 10 (OUTB): Output B.
11. Pin 11 (PGND): Power ground.
12. Pin 12 (VCC): Supply voltage.
13. Pin 13 (VREF5): +5V reference output.
14. Pin 14 (SS): Soft start.
15. Pin 15 (VREF): Voltage reference.
16. Pin 16 (UVLO): Under-voltage lockout.
These controllers are designed for high-speed switching and provide features like soft start, under-voltage lockout, and current limiting, making them suitable for efficient power conversion tasks.
Manufacturer
Application
Equivalent
1. TL2843 by Texas Instruments
2. KA3843 by ON Semiconductor
3. MC33023 by ON Semiconductor
4. LM3523 by Texas Instruments
These alternatives may have slight differences in specifications, so it's important to compare them to ensure compatibility with 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
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