UC3845J
Or copy the link below:
- Mfr.Part #
- UC3845J
- Manufacturer
- Unitrode
- Package / Case
- Datasheet
- Download
- Description
- UC3845 CURRENT MODE PWM CONTROLL
- Stock
- 29,888
- In Stock ：
- 29,888
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- Unitrode
- Product Category :
- DC DC Switching Controllers
- Surface Mount :
- No
- Number of Terminals :
- 8
- Terminal Form :
- THROUGH-HOLE
- Input Voltage-Nom :
- 15V
- Output Current-Max :
- 1A
- Switching Frequency-Max :
- 500kHz
- Input Voltage (Max) :
- 25V
- Control Technique :
- PULSE WIDTH MODULATION
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Input Voltage (Min) :
- 12V
- Operating Temperature (Max) :
- 70°C
- JESD-30 Code :
- R-CDIP-T8
- Switcher Configuration :
- Single
- Temperature Grade :
- COMMERCIAL
- Number of Functions :
- 1
- Control Mode :
- CURRENT-MODE
- Terminal Position :
- Dual
- Qualification Status :
- COMMERCIAL
- Output Voltage :
- 2.5V
- Datasheets
- UC3845J
DC DC Switching Controllers Unitrode UC3845J Overview
The Unitrode UC3845J is a highly integrated and robust current mode PWM controller designed specifically for DC-DC switching power supplies. This component is essential for applications requiring efficient power management and conversion. The UC3845J offers enhanced performance with features such as high frequency operation and minimal external components requirement, making it an optimal choice for compact and reliable power supply designs. Its ability to handle complex power management tasks with ease makes the UC3845J a preferred component for engineers looking to streamline their power supply architecture.
UC3845J Features
The UC3845J is equipped with several features that enhance its functionality and reliability in switching power supply applications, including programmable switching frequencies up to 500 kHz, a built-in 1.5A totem pole output, and automatic feed-forward compensation. Additionally, it has under-voltage lockout with hysteresis, pulse-by-pulse current limiting, and an internal trimmed reference, which contribute to its overall stability and efficiency in operation.
UC3845J Applications
- Server Power Supplies: The UC3845J is used in server power supplies for its efficient control of power distribution, ensuring stable and reliable performance even under variable load conditions.
- Telecom Power Systems: In telecom power systems, this PWM controller helps in maintaining consistent power output which is critical for the uninterrupted operation of communication infrastructure.
- Battery Chargers: The UC3845J manages the charging process, ensuring fast and safe charging cycles suitable for high-performance battery applications.
- LED Lighting Drivers: It is applied in LED drivers where precise current control is needed to provide consistent illumination and long lifespan of the lighting components.
- DC-DC Converters: This controller is commonly used in DC-DC converters to efficiently step up or step down voltage levels while maintaining a high efficiency and robustness against input voltage fluctuations.
You may place an order without registering to Chip IC. We strongly recommend that you log in before purchasing as you can track your order at any time.
RFQ (Request for Quotations)It is recommended to send RFQ to get the latest prices and stock availability about the part.Our sales will reply to your inquiry within 24 hours.
Payment MethodFor your convenience, we accept multiple payment methods in USD, Such as:PayPal, Credit Card, and wire transfer.
IMPORTANT NOTICEYou may place an order without registering to 1. You'll receive an order confirmations by e-mail soon . (Please remember to check the spam box if you didn't hear from us). 2. Since stock availability and prices may change at any time, the sales will reconfirm the order details and update you at soonest time.
Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
Manufacturer related products
Catalog related products
Related products
- Follow Us
-
- Payment
-
- Subscribe
- Certification
-
-
