EN
  • EN
  • DE

UCC38C44DGK

Part No UCC38C44DGK
Manufacturer Texas Instruments
Catalog PMIC - AC DC Converters, Offline Switchers
Description IC OFFLINE CTRLR PWM UVLO 8VSSOP / Current Mode PWM Controller 18V 200mA 1000kHz 8-Pin VSSOP Tube
Datasheet
Sample
Rohs State rohs
ECAD Module
Need Help

Products specifications Report Issue?

Categories Integrated Circuits (ICs)
Manufacturer Texas Instruments
Packaging Tube
Output Isolation Isolated
Internal Switch(s) No
Topology Forward
Voltage - Start Up 14.5V
Supply Voltage 9 V ~ 18 V
Duty Cycle 48%
Frequency - Switching Up to 1MHz
Fault Protection Current Limiting
Control Features Frequency Control
Operating Temperature Range 0°C ~ 70°C (TA)
Package 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Manufacturer Package 8-VSSOP
Mounting SMD
Win Source Part Number 798739-UCC38C44DGK
Popularity Medium
Supply and Demand Status Balance
Family Name UCC38C44
Introduction Date April 01, 2005
ECCN EAR99
Halogen Free Compliant
Estimated EOL Date 2031
Ultra Librarian 3D Model Ultra Librarian UCC38C44DGK CAD Model

Description

The UCC38C44DGK is a versatile BiCMOS pulse-width modulation (PWM) controller designed by Texas Instruments. This advanced controller integrates a range of features that make it an ideal choice for power supply applications requiring high efficiency, reliability, and performance. It is commonly employed in switch-mode power supplies, DC to DC converters, and other power conversion applications.

Key Features

  • Operating Frequency: The UCC38C44DGK operates at a frequency range up to 1MHz, allowing for smaller components and reduced space on the PCB.
  • BiCMOS Technology: This technology combines the low power consumption of CMOS with the high-speed operation of bipolar transistors, resulting in improved performance and efficiency.
  • Advanced Control Method: It utilizes current-mode control which provides superior response to load transients and simplifies loop compensation.
  • Programmable Soft Start: This feature limits inrush current during startup, improving system reliability and extending the life of the power supply.
  • Under-Voltage Lockout (UVLO): Both line and load UVLO circuits ensure that the controller is off unless it has an adequate supply voltage.
  • Gate Drive Output: High-current totem-pole gate drive output is capable of driving a power MOSFET directly, simplifying design and reducing component count.

Product Applications

The UCC38C44DGK is suitable for a wide range of applications, including:

  • Offline power supplies
  • DC-to-DC converters
  • AC-to-DC adapters
  • Telecommunications equipment
  • Industrial power systems

Package and Quality

The UCC38C44DGK is offered in an 8-pin VSSOP (DGK) package, providing a compact solution for space-constrained applications. Texas Instruments is known for its commitment to quality, and this product is no exception. It is designed to meet stringent industry standards, ensuring both reliability and performance for critical power management tasks.

You May Also Be Interested in

Power Integrations
IC OFFLINE SWITCH MULT TOP 8SMD
Need more? Email Us
Fairchild/ON Semiconductor
IC OFFLINE SWITCH 7DIP
Need more? Email Us
Renesas Electronics America
IC OFFLINE SW FLYBACK SOT23-5
Lowest to $0.2945
Infineon Technologies
IC OFFLINE SWITCH
Lowest to $4.0561
Renesas Electronics America
IC OFFLINE SW FLYBACK SOT23-6
Lowest to $0.4180
Renesas Electronics America
IC OFFLINE SWITCH FLYBACK 7SOIC
Lowest to $2.3632
Renesas Electronics America
IC OFFLINE SW FLYBACK SOT23-6
Lowest to $0.2691
Sanken
Converter Offline Flyback Topology 60kHz ~ 74kHz TO-220F-6L
Need more? Email Us
NXP / Nexperia
Converter Offline Flyback Topology 27kHz ~ 65kHz SC-74
Lowest to $1.5860

Top Sellers

Kemet
RELAY GEN PURPOSE DPDT 2A 5V
Lowest to $0.9677
FTDI, Future Technology Devices International Ltd
IC USB FS SERIAL UART 28-SSOP
Lowest to $5.9399
Atheros
Ethernet TXRX Single Chip 1-Port 3.3V 10Mbps/100Mbps/1000Mbps 48-Pin QFN EP Tray
Lowest to $2.6071
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $14.0181
Bosch Sensortec
SENSOR PRESSURE HUMIDITY TEMP
Lowest to $4.0391
JST Sales America Inc.
CONN HEADER GH TOP 4POS 1.25MM
Lowest to $0.1782
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16QFN
Lowest to $5.4647
Bosch Sensortec
IMU ACCEL/GYRO I2C/SPI 14LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $3.6828
Texas Instruments
DARLINGTON TRANSISTOR ARRAY | TRANS 8NPN DARL 50V 0.5A 18SO
Lowest to $5.4647
Texas Instruments
IC CTRLR HOT SWAP 48V 10-MSOP
Lowest to $2.3760
Bosch Sensortec
ACCELEROMETER 16LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $11.8797
JST Sales America Inc.
CONN HEADER SMD 6POS 1.25MM
Lowest to $0.4985
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $14.0181
Nexperia USA Inc.
Counter Shift Registers 8-bit serial-in, serial or parallel-out shift register with output latches; 3 - state
Lowest to $0.1046
ON Semiconductor
MOSFET N-CH 20V 915MA SOT-416
Lowest to $0.0543

Pricing & Ordering

Quantity Unit Price Ext. Price
24+ $2.0877 $50.1048
59+ $1.7130 $101.0670
91+ $1.6594 $151.0054
125+ $1.6059 $200.7375
162+ $1.5524 $251.4888
216+ $1.3918 $300.6288
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
Estimate Shipping
Enter your destination to get a shipping estimate
*
Availability: 4,055 pieces
MOQ: 24 pcs
Order Increment : 1 pcs
*Need More Quantity? *Request a Bulk Quantity Quotation?

Shipping Information

Shipped from HK warehouse
Expected Shipping Date
Ship today if order in (HKT)
Supplier Lead-Time Call for availability
Estimate shipping fee
Enter your destination to get a shipping estimate
Estimate Shipping Fee

Contact Us

*
*
*

FRAUD PREVENTION REMINDERS

Recently, We have discovered that criminals falsely claimed to be WIN SOURCE to commit fraud. Please note that the only official website & email suffix are win-source.group, win-source.net, winsourcectl.com and winsourceelec.com

More details about fraud prevention
RFQ RFQ RFQ BOM BOM BOM API API API Sell Sell Sell your Excess