UC3855ANG4
- Mfr.Part #
- UC3855ANG4
- Manufacturer
- Texas Instruments
- Package / Case
- 20-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC PFC CTR AV CURR 500KHZ 20DIP
- Stock
- 4,668
- In Stock :
- 4,668
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- Texas Instruments
- Product Category :
- PFC (Power Factor Correction)
- ECCN Code :
- EAR99
- Height Seated (Max) :
- 5.08mm
- Current - Startup :
- 150μA
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Operating Supply Current :
- 17mA
- Pbfree Code :
- yes
- Package / Case :
- 20-DIP (0.300, 7.62mm)
- Mode :
- Average Current
- Packaging :
- Tube
- Nominal Supply Current :
- 17mA
- Frequency :
- 500kHz
- Output Current :
- 1.5A
- Base Part Number :
- UC3855
- Radiation Hardening :
- No
- REACH SVHC :
- No SVHC
- Switcher Configuration :
- Boost
- Mounting Type :
- Through Hole
- Control Technique :
- PULSE WIDTH MODULATION
- JESD-609 Code :
- e4
- Analog IC - Other Type :
- POWER FACTOR CONTROLLER
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Number of Pins :
- 20
- Mount :
- Through Hole
- Terminal Position :
- Dual
- Number of Terminations :
- 20
- Input Voltage (Max) :
- 35V
- Input Voltage-Nom :
- 18V
- Voltage - Supply :
- 15.5V~20V
- Lead Free :
- Lead Free
- Pin Count :
- 20
- Number of Outputs :
- 2
- Output Voltage :
- 12.8V
- Operating Temperature :
- 0°C~70°C
- Input Voltage (Min) :
- 15V
- Number of Functions :
- 1
- RoHS Status :
- ROHS3 Compliant
- Datasheets
- UC3855ANG4

PFC Texas Instruments UC3855ANG4 Overview
The PFC Texas Instruments UC3855ANG4 is an advanced integrated circuit designed specifically for power factor correction applications. This high-performance IC is engineered to provide average current mode control for enhanced efficiency and reliability in power supply operations. Operating at a frequency of up to 500 kHz, the UC3855ANG4 enables compact power supply designs with reduced component size and improved thermal management. Its robust design features ensure that it meets the rigorous demands of industrial applications, making it a preferred choice for manufacturers seeking to enhance the power quality and efficiency of their systems.
UC3855ANG4 Features
The UC3855ANG4 boasts a range of features that make it stand out in power management applications. Key features include a high-frequency operation up to 500 kHz, which allows for smaller-sized passive components, thus reducing overall system size and cost. The device integrates features like programmable soft start, under-voltage lockout, and over-current protection, enhancing system reliability and safety. Additionally, its ability to operate under varying load conditions without compromising performance is essential for dynamic industrial environments.
UC3855ANG4 Applications
- Power Supplies for Telecommunications: The UC3855ANG4 is used in the power supplies of telecom equipment, where it ensures stable and efficient power delivery, adapting to fluctuating loads and enhancing power system reliability.
- Industrial Motor Drives: In motor drive applications, this IC helps in maintaining a stable power factor, thereby improving the efficiency and operational reliability of industrial motors under varying load conditions.
- Uninterruptible Power Supplies (UPS): The UC3855ANG4 plays a critical role in UPS systems by improving the power quality and efficiency, which is crucial for maintaining uninterrupted operations during power outages.
- LED Lighting Systems: It is also applied in LED lighting systems to enhance power factor and reduce energy consumption, contributing to energy savings and sustainability initiatives.
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.
















