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UC3824DW
IC REG CTRLR BUCK/BOOST 16SOIC
- Hersteller
- Fr. Teil #UC3824DW
- Paket 16-SOIC
- Datenblatt UC3824DW DataSheet
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Spezifikationen
| Package | Bulk,Tube |
| ProductStatus | Active |
| OutputType | Transistor Driver |
| Function | Step-Up, Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck, Boost |
| NumberofOutputs | 1 |
| OutputPhases | 1 |
| Voltage-Supply(Vcc/Vdd) | 8.4V ~ 30V |
| Frequency-Switching | 340kHz ~ 460kHz |
| DutyCycle(Max) | 85% |
| SynchronousRectifier | No |
| ClockSync | No |
| ControlFeatures | Current Limit, Enable, Frequency Control, Ramp, Soft Start |
| OperatingTemperature | 0°C ~ 70°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 16-SOIC (0.295, 7.50mm Width) |
Übersicht
Description
The UC3824DW features a wide range of functionalities including a fixed-frequency oscillator, a high-gain error amplifier, and a precision PWM comparator. It also integrates a current-sensing comparator and an undervoltage lockout mechanism, which help enhance its reliability and performance in power regulation tasks. The device operates efficiently over a wide input voltage range and supports current-mode or voltage-mode control architectures.
One of the key aspects of the UC3824DW is its ability to facilitate high-speed power switching, making it suitable for applications requiring precise power management such as telecommunications, server power supplies, and industrial equipment. Its DW suffix indicates the surface-mount SOIC package, which is compact and suitable for space-limited applications.
Overall, the UC3824DW is valued for its robust performance, versatility, and reliability in various power supply applications.
Features
1. Wide Supply Voltage Range: Operates between 8V to 30V.
2. High-Frequency Operation: Supports switching frequencies up to 1 MHz, allowing for compact and efficient designs.
3. Current Mode Control: Provides improved loop response and simple pulse-by-pulse current limiting.
4. Error Amplifier: Features a high-speed error amplifier for precise voltage regulation.
5. Undervoltage Lockout (UVLO): Ensures the controller starts only when the supply voltage is within a specified range, enhancing reliability.
6. Totem-Pole Output: Provides high current drive capability for fast switching of external MOSFETs or transistors.
7. Soft-Start Capability: Integrates a soft-start function to prevent inrush current during startup.
8. Low Start-Up Current: Reduces the power consumption during the startup phase.
9. Programmable Oscillator: Allows for adjustable frequency settings to suit different application requirements.
These features make the UC3824DW suitable for a variety of power supply and DC-DC converter applications, ensuring efficient and reliable performance.
Package
Pinout
1. Comp (1): Compensation for the error amplifier.
2. VFB (2): Voltage feedback input.
3. ILIM/SD (3): Current limit or shutdown input.
4. RT/CT (4): Timing resistor and capacitor for setting oscillator frequency.
5. GND (5): Ground reference.
6. OSC OUT (6): Oscillator output.
7. DISCH (7): Discharge pin for timing capacitor.
8. VCC (8): Supply voltage input.
9. VC (9): Output stage supply voltage.
10. OUT A (10): Channel A output.
11. PGND (11): Power ground.
12. OUT B (12): Channel B output.
13. SYNC (13): Synchronization input.
14. RD (14): Ramp discharge input.
15. SENSE (15): Current sense input.
16. REF (16): Reference voltage output.
These functions enable the UC3824DW to efficiently manage and control the power delivery in various electronic circuits.
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
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