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TI UC3825N
AC-DC controllers and regulators, ROHS compliant
Brands: Texas Instruments
Mfr.Part #: UC3825N
Datasheet: UC3825N Datasheet (PDF)
Package/Case: PDIP (N)-16
Product Type: Switching Controllers
RoHS Status:
Stock Condition: 8970 pcs, New Original
Warranty: 1 Year Ovaga Warranty - Find Out More
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The UC3825N is a pulse width modulation (PWM) controller IC designed for regulating power in switched-mode power supplies. It operates with a wide input voltage range and is capable of driving high current MOSFETs or IGBTs. The UC3825N features on-chip PWM control circuitry for adjustable frequency and duty cycle, as well as soft-start and current limiting functions. It also includes a precision voltage reference, error amplifier, oscillator, and various protection features like overcurrent and overvoltage protection. This IC is commonly used in applications such as DC-DC converters, battery chargers, inverters, and motor control systems. It is available in a 16-pin dual in-line package (DIP) and operates over a wide temperature range.
Features
Application
Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Topology | Boost, Flyback, Forward, Half bridge, Push pull | Control mode | Current, Feedforward, Voltage |
| Duty cycle (max) (%) | 85 | Switching frequency (max) (kHz) | 1000 |
| Features | Adjustable switching frequency, Current limiting, Error amplifier, Multi-topology, Programmable max duty cycle, Soft start, Synchronization pin | UVLO thresholds on/off (V) | 9.2/8.4 |
| Operating temperature range (°C) | 0 to 70 | Rating | Catalog |
| Gate drive (typ) (A) | 1.5 |
Shipping
| Shipping Type | Ship Fee | Lead Time | |
|---|---|---|---|
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DHL | $20.00-$40.00 (0.50 KG) | 2-5 days |
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Fedex | $20.00-$40.00 (0.50 KG) | 2-5 days |
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UPS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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TNT | $20.00-$40.00 (0.50 KG) | 2-5 days |
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EMS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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REGISTERED AIR MAIL | $20.00-$40.00 (0.50 KG) | 2-5 days |
Processing Time：Shipping fee depend on different zone and country.
Payment
| Terms of payment | Hand Fee | |
|---|---|---|
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Wire Transfer | charge US$30.00 banking fee. |
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Paypal | charge 4.0% service fee. |
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Credit Card | charge 3.5% service fee. |
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Western Union | charge US.00 banking fee. |
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Money Gram | charge US$0.00 banking fee. |
Guarantees
1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
Packing
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All the products will packing in anti-staticbag. Ship with ESD antistatic protection.
Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.
We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.
After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.
Part points
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The UC3825N is a pulse width modulation (PWM) controller chip commonly used in power supply and battery charger applications. It features a precision voltage reference, error amplifier, PWM comparator, and a high current totem-pole output driver to regulate the output voltage. The chip offers adjustable frequency and duty cycle control for improved efficiency in power management systems.
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Equivalent
Equivalent products of UC3825N chip are TL494, SG3524, and IR2153. These chips are commonly used in off-line switching power supplies and motor control applications, providing similar functionality and performance to the UC3825N. -
Features
1. Voltage mode PWM controller 2. Wide input voltage range 3. Duty cycle up to 100% 4. Programmable deadtime 5. Error amplifier with 1% reference accuracy 6. Oscillator frequency up to 500kHz 7. Soft start function 8. Adjustable maximum duty cycle 9. Current sense input 10. UVLO, thermal shutdown, and overcurrent protection -
Pinout
UC3825N is a pulse width modulated (PWM) controller IC with 16 pins. Pin functions include supply voltage (Vcc), ground (GND), error amplifier inputs (inverting and non-inverting), reference voltage (Vref), oscillator timing capacitors and resistors, PWM outputs, and feedback/control inputs. -
Manufacturer
UC3825N is manufactured by Texas Instruments, a leading semiconductor company that specializes in designing and manufacturing a wide range of analog and digital ICs for various applications, including power management, embedded processing, and connectivity solutions. -
Application Field
UC3825N is commonly used in applications such as uninterruptible power supplies (UPS), telecom power supplies, AC-DC power converters, and high-efficiency DC-DC converters. It is also used in motor control applications, inverters, and battery chargers. Its features like flexible PWM unit and soft start capability make it a versatile choice for various power management applications. -
Package
The UC3825N chip is in a DIP-16 package form. It has a size dimension of 19.3mm x 6.35mm x 3.3mm.
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