UC3845ADWTR
- Mfr.Part #
- UC3845ADWTR
- Manufacturer
- Texas Instruments
- Package / Case
- 16-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR MULT TOP 16SOIC
- Stock
- 39,564
- In Stock :
- 39,564
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- Manufacturer :
- Texas Instruments
- Product Category :
- DC DC Switching Controllers
- Width :
- 7.5mm
- Duty Cycle (Max) :
- 48%
- Operating Temperature :
- 0°C~70°C TA
- Mounting Type :
- Surface Mount
- RoHS Status :
- ROHS3 Compliant
- Synchronous Rectifier :
- No
- Switcher Configuration :
- Single
- Control Mode :
- CURRENT-MODE
- Output Configuration :
- Positive, Isolation Capable
- Max Duty Cycle :
- 50 %
- Control Features :
- Frequency Control
- Terminal Form :
- Gull wing
- Topology :
- Buck, Boost, Flyback, Forward Converter
- Terminal Position :
- Dual
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Voltage - Supply (Vcc/Vdd) :
- 7.6V~30V
- Output Current :
- 200mA
- Nominal Input Voltage :
- 25V
- Number of Pins :
- 16
- Input Voltage-Nom :
- 15V
- Packaging :
- Tape and Reel (TR)
- Number of Outputs :
- 1
- Control Technique :
- PULSE WIDTH MODULATION
- Output Voltage :
- 15V
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Surface Mount :
- yes
- ECCN Code :
- EAR99
- Fall Time (Typ) :
- 50 ns
- Operating Supply Voltage :
- 30V
- Rise Time :
- 50ns
- Base Part Number :
- UC3845
- Frequency - Switching :
- 500kHz
- Number of Terminations :
- 16
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Package / Case :
- 16-SOIC (0.295, 7.50mm Width)
- Height Seated (Max) :
- 2.65mm
- Output Type :
- Transistor Driver
- Frequency :
- 450kHz
- Datasheets
- UC3845ADWTR

DC DC Switching Controllers Texas Instruments UC3845ADWTR Overview
As a leading component in power management technology, the UC3845ADWTR from Texas Instruments stands out with its robust design and high functionality within the realm of DC DC Switching Controllers. This innovative regulator controller is engineered to offer precision and efficiency, making it the backbone of numerous power supply applications. Its thermally compensated design ensures reliability across a wide range of operational temperatures, while an integrated oscillator simplifies synchronicity across the board. The UC3845ADWTR is meticulously crafted to address the ever-growing demands for energy-efficient and compact power solutions, thus serving as a cornerstone for batch procurement amongst B2B customers striving for top-of-the-line power regulation.
UC3845ADWTR Features
- Programmable output turn-on delay
- High current totem-pole output for direct driving of the power MOSFET
- Low start-up current
- Current mode operation to improved transient response
- Automatic feed-forward compensation
- Pulse-by-pulse current limiting
- Under-voltage lockout with hysteresis
- High-frequency operation up to 500 kHz
UC3845ADWTR Applications
- Switched Mode Power Supplies (SMPS):
The UC3845ADWTR is used to control the switching transistors in an SMPS, ensuring stable output regardless of variations in input voltage or load.
- DC-DC Converters:
This device is adept at managing DC-DC conversion processes, providing consistent power to downstream components in various electronics.
- Power Factor Correction (PFC) Modules:
In PFC modules, the UC3845ADWTR helps in maintaining the power factor close to unity, reducing power losses and improving the efficiency of electrical systems.
- LED Drivers:
For LED applications, this controller ensures smooth and efficient current regulation to provide stable illumination and drive high-power LEDs effectively.
- Battery Chargers:
The precise control offered by the UC3845ADWTR is ideal for battery charging applications where controlled current and voltage are necessary for safety and battery longevity.
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