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Orders Over
$5000UC3845BNG
Boost, Flyback Regulator Positive, Isolation Capable Output Step-Up, Step-Up/Step-Down DC-DC Controller IC 8-PDIP
Brands: onsemi
Mfr.Part #: UC3845BNG
Datasheet: UC3845BNG Datasheet (PDF)
Package/Case: 8-DIP
Product Type: DC DC Switching Controllers
RoHS Status:
Stock Condition: 7,931 pcs, New Original
Warranty: 1 Year Ovaga Warranty - Find Out More
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UC3845BNG General Description
- The UC3845BNG is a top-notch current-mode PWM controller, ideal for use in power supply designs requiring buck, boost, or flyback configurations. With a peak current drive capability of 1A, this controller can directly drive power MOSFETs, delivering outstanding performance in a compact package. Operating at a fixed frequency of 100kHz, the UC3845BNG guarantees stable and reliable operation in diverse applications
Features
- High Efficiency for Low Heat Generation
- Low Ripple Current for Clean Power
- Fault-Detecting Circuitry for Safe Operation
Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Package | Tube | Product Status | Active |
| Output Type | Transistor Driver | Function | Step-Up, Step-Up/Step-Down |
| Output Configuration | Positive, Isolation Capable | Topology | Boost, Flyback |
| Number of Outputs | 1 | Output Phases | 1 |
| Voltage - Supply (Vcc/Vdd) | 7.6V ~ 30V | Frequency - Switching | Up to 500kHz |
| Duty Cycle (Max) | 48% | Synchronous Rectifier | No |
| Clock Sync | No | Control Features | Frequency Control |
| Operating Temperature | 0°C ~ 70°C (TA) | Mounting Type | Through Hole |
| Package / Case | 8-DIP (0.300", 7.62mm) | Supplier Device Package | 8-PDIP |
| Base Product Number | UC3845 |
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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Step2 :Vacuum packaging
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Step3 :Anti-static bag
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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 UC3845BNG is a pulse width modulation (PWM) controller IC used in power supplies and battery chargers. It regulates the output voltage by varying the width of the pulse sent to the power switch. It is commonly used in switch-mode power supplies for applications requiring a stable and efficient power conversion process.
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Equivalent
The equivalent products of UC3845BNG chip are UC3842BNG, UC3843BNG, UC3844BNG, and UC3846BNG. These chips are part of series of highly integrated fixed frequency current-mode controllers for offline and DC-DC converter applications. -
Features
The UC3845BNG is a high performance current mode controller with a low startup current, widely used in off-line and DC-DC applications. It features optimized for off-line and DC to DC converters, programmable soft-start function, precise adjustable timing and frequency, and integrated soft-start function. -
Pinout
The UC3845BNG is a PWM controller IC with a total of 8 pins. Pin functions include: VREF (pin 1), Current Sense (pin 2), Feedback (pin 3), Output (pin 4), ground (pin 5), Output (pin 6), Compensation (pin 7), and VCC (pin 8). It is commonly used in power supply and motor control applications. -
Manufacturer
The UC3845BNG is manufactured by Texas Instruments. Texas Instruments is a semiconductor technology company that designs and manufactures a wide range of integrated circuits and semiconductors for various industries including automotive, industrial, and consumer electronics. With a focus on innovation and high-quality products, Texas Instruments is a leading global provider of analog and embedded processing solutions. -
Application Field
The UC3845BNG is commonly used in voltage mode control for high performance power supplies, such as in switch-mode power supplies for computers, TVs, and industrial applications. It is also widely used in DC-DC converters, motor control systems, and battery charging circuits due to its high efficiency and reliability. -
Package
The UC3845BNG chip is a DIP-8 (Dual in-line package) package type, it is in a PDIP form (Plastic Dual In-line Package), and has a size of 8 pins.
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