UCC35705D

Frequency - Switching:	1MHz
Base Part Number:	UCC35705
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Operating Temperature:	0°C ~ 70°C (TA)
Control Features:	Current Limit
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	No
Duty Cycle (Max):	93%
Series:	--
Voltage - Supply (Vcc/Vdd):	8.2 V ~ 15 V
Output Phases:	1
Number of Outputs:	1
Topology:	Boost, Flyback, Forward Converter
Output Configuration:	Positive, Isolation Capable
Function:	Step-Up, Step-Up/Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tube

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UCC35705D is a series of switch mode controllers designed by Texas Instruments for multiple applications in the field of power management integrated circuits (PMICs). This PMIC series provides four voltage regulator functions, including DC-DC boost, buck, charge pump, and flyback converters. The device also includes various current, voltage, temperature, and EMI protection circuits that help ensure reliable operation under harsh environmental conditions. In addition, the UCC35705D provides a fast response time and high switching frequency, making it ideal for a variety of high-performance applications. The UCC35705D is a dual-mode step-up/step-down converters. It operates in a pulse width modulated (PWM) mode when the output voltage is lower than the regulated output voltage. In PWM mode, the power FETs are switched at a fixed frequency and the output voltage is regulated by adjusting the duty cycle. The dual mode operation also allows the output voltage to be boosted above the regulated voltage by controlling the currents flowing through the FETs.The UCC35705D offers a wide input voltage source range from 2.7V to 40V. It is available in multiple output voltages ranging from 1V to 18V with up to 400mA continuous current output. The device also has an adjustable soft-start feature that helps reduce inrush current, hence reducing power dissipation and ensuring reliable operation under a variety of conditions.The UCC35705D also features integrated overcurrent and thermal protection circuits that can be activated by the external monitoring circuitry. There is also an integrated EMI protection circuit that can reduce radiated electromagnetic interference and help ensure reliable system operation. This device also offers a wide PWM frequency range, making it suitable for a variety of applications and designs.Overall, the UCC35705D provides a versatile solution for a wide variety of applications. It features a single-ended output, adjustable switching frequency, and integrated EMI protection for flawless operation in the most demanding conditions. The UCC35705D is ideal for a variety of power management applications, from AC/DC adapters to displays and other motor-driven applications.

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