LM5035MH/NOPB

Frequency - Switching:	200kHz, 500kHz
Base Part Number:	LM5035
Supplier Device Package:	20-HTSSOP
Package / Case:	20-PowerTSSOP (0.173", 4.40mm Width)
Operating Temperature:	-40°C ~ 125°C (TJ)
Control Features:	Frequency Control, Ramp, Soft Start
Serial Interfaces:	--
Clock Sync:	Yes
Synchronous Rectifier:	Yes
Duty Cycle (Max):	--
Series:	--
Voltage - Supply (Vcc/Vdd):	13 V ~ 105 V
Output Phases:	1
Number of Outputs:	1
Topology:	Half-Bridge
Output Configuration:	Positive, Isolation Capable
Function:	Step-Up/Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tube

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LM5035MH/NOPB is a voltage controllers in the PMIC - Voltage Regulators - DC DC Switching Controllers. It is a versatile high voltage, low noise, low dropout linear regulator controller with integrated fault protection and controller logic. This controller is designed for 1A applications, providing exceptional load transient and line regulation.The LM5035MH/NOPB is an easy to use device. It requires no external components for most applications, allowing for fast and intuitive design. The internal voltage references allow for operation from a wide range of input voltages without the need for external components. In addition to its excellent regulation, the LM5035MH/NOPB offers protection for overvoltage, open load, and over-temperature conditions.This device is ideal for high performance power management applications such as battery chargers, monitored power supplies, and step-up DC–DC converters. It operates at a frequency of up to 1 MHz, making it suitable for high power applications. The wide input voltage range and low dropout voltage of the LM5035MH/NOPB make it an unbeatable choice in this application field.Working PrincipleThe LM5035MH/NOPB has a simple operating principle. When the circuit is first powered up, the output voltage is set according to a reference voltage. When a load is connected and the output voltage drops below the set point, the device automatically adjusts the voltage to maintain the output voltage at the set point. To control the output voltage, the device monitors the current at the output pin. When the current exceeds a maximum set-point, the device will increase the duty cycle of its output switching frequency, thus providing more power to the load and maintaining the output voltage. This allows for load regulation between the input and output voltages.The device also features an overload protection function that senses output current and protects the device from overloads. This feature can be used to limit the current in case of an overload condition.The LM5035MH/NOPB also features a soft-start feature which ensures the output voltage ramps up slowly, thus avoiding inrush currents which could damage the components of the system. The device is also capable of output voltage sequencing, allowing for proper startup of the system when multiple output voltages are present.ConclusionThe LM5035MH/NOPB is a versatile and easy to use voltage regulator controller, ideal for high power management applications. It offers excellent load regulation and line regulation, as well as robust protection against overload, open load and over-temperature conditions. Its wide input voltage range and low dropout voltage make it particularly suitable for high performance applications. Its soft-start feature and output voltage sequencing capabilities make the LM5035MH/NOPB an unbeatable choice for power management applications.

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