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UC2825N
IC REG CTRLR MULT TOPOLOGY 16DIP
- Manufacturer
- Mfr. Part #UC2825N
- Package PDIP (N)-16
- Datasheet UC2825N DataSheet
- In Stock6443
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Specifications
| Package | Bulk,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 ~ 30V |
| Frequency-Switching | 340kHz ~ 460kHz |
| DutyCycle(Max) | 80% |
| SynchronousRectifier | No |
| ClockSync | No |
| ControlFeatures | Current Limit, Enable, Frequency Control, Ramp, Soft Start |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Through Hole |
| Package/Case | 16-DIP (0.300, 7.62mm) |
Overview
Description
Key features include a high-speed oscillator, a wide frequency range, and programmable duty cycle control. It also boasts features such as soft start, current limiting, and thermal shutdown to enhance reliability and protect against overloading and overheating. Its on-chip error amplifier and fault protection circuitry ensure high stability and safety in power supply applications.
The UC2825N is commonly used in DC-DC converters, motor control systems, and other high-frequency switching power supplies. Its flexibility, combined with advanced control capabilities, makes it a preferred choice for engineers designing efficient and robust power management solutions.
Features
1. High-Speed Operation: Designed for high-frequency power conversion, suitable for advanced power supply designs.
2. BiCMOS Technology: Offers low power consumption and high accuracy, improving overall efficiency.
3. Programmable Oscillator: Allows flexibility in setting the operating frequency, accommodating various power supply requirements.
4. Synchronizable: Can be synchronized with an external clock, enabling parallel power supply operations.
5. Wide Supply Voltage Range: Operates over a broad range of input voltages, enhancing versatility in different applications.
6. Error Amplifier: Includes a high-gain error amplifier for precise voltage regulation and stability.
7. Current Limiting: Provides over-current protection to safeguard the circuit against excessive load conditions.
8. Soft Start Capability: Gradually increases the output voltage during startup to prevent inrush currents.
9. Under-Voltage Lockout (UVLO): Protects the circuit by disabling the output when the supply voltage falls below a specific threshold.
10. Output Drivers: Equipped with totem-pole output stages for direct driving of power MOSFETs or IGBTs.
Overall, the UC2825N is tailored for robust, efficient, and flexible power supply designs.
Package
Pinout
1. Compensation (COMP): Used for error amplifier compensation.
2. Voltage Feedback (VFB): Input for voltage feedback.
3. Current Sense (CS): Input for current sensing.
4. RAMP: Provides slope compensation.
5. Soft Start (SS): Controls the soft start function.
6. RT/CT: Sets the oscillator timing.
7. SYNC: Used for oscillator synchronization.
8. Ground (GND): Ground reference.
9. Output A (OUTA): Output drive for channel A.
10. Output B (OUTB): Output drive for channel B.
11. VCC: Supply voltage for the device.
12. VREF: Reference voltage output.
13. Shutdown (SD): Initiates shutdown mode.
14. ILIM/SD: Current limit and shutdown function.
15. PGND: Power ground.
16. VCC Sense (VCCS): Senses VCC for overvoltage protection.
The UC2825N is commonly used in applications requiring precise control of power delivery, such as DC-DC converters and motor controllers.
Manufacturer
Application
Equivalent
1. UC3825N - Similar specifications, often used interchangeably.
2. TL5001 - A simpler PWM controller for similar applications.
3. LM3524D - A different series but can serve in similar PWM control roles.
4. SG3525 - Another PWM controller with comparable functions.
Always check the specific application requirements and datasheets to ensure compatibility.
Shipping
Shipping MethodsWe
offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.
Shipping Fee Reference (DHL/FedEx):
DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.
FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.
UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.
TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.
EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.
Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.
Payments
Payment Methods
The Payment term is 100% Prepaid.
Currently, we only accept the below payment methods:
1. PayPal
2. Credit/ Debit Card
3. Wire Transfer
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