LM2681M6/NOPB

Voltage - Output (Min/Fixed):	2Vin, Vin/2
Base Part Number:	LM2681
Supplier Device Package:	SOT-23-6
Package / Case:	SOT-23-6
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	80kHz
Current - Output:	20mA
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	2.5V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Charge Pump
Output Configuration:	Positive
Function:	Ratiometric
Part Status:	Active
Packaging:	Tape & Reel (TR)

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LM2681M6/NOPB Application Field and Working PrincipleThe LM2681M6/NOPB is a MEMS voltage regulator which belongs to the PMIC (Power Management ICs) family. It is classified under the Voltage Regulators category, and more specifically, under the DC DC Switching Regulators type of device. This Voltage Regulator module is a step-down switching regulator, designed around ON Semiconductor’s proprietary integration technology. ## ApplicationsThe LM2681M6/NOPB is widely applicable for modern systems where efficiency, size, and cost are utmost important. This device is suitable for multiple types of converters like wall chargers, power supplies, and embedded solutions. - Power Supply- Wall Adapters- 5V/3A Point-of-Load (POL) Supplies- Wireless Charger ICs- Power Converters- Embedded Solutions- Automotive Accessories- Portable Electronics## Features The LM2681M6/NOPB has a set of exceptional features: - High Efficiency up to 92.6% - 1200 kHz Fixed Frequency Operation - Internal Compensation - Current Mode Regulation - <50 mV Line/Load Regulation - Low EMI- RDS(ON) External SenseFET- High Current Limit- Integrated Output Discharge Controller - Adaptive UVLO## Working Principle The LM2681M6/NOPB uses an integrated high-side power MOSFET to regulate the output voltage. It uses current mode regulation architecture along with multiple control techniques to provide an efficient and reliable power conversion. The LM2681M6/NOPB operates with a fixed switching frequency of 1200 kHz, which helps to minimize the size of external components. The output voltage is regulated by adjusting the duty cycle of the switching cycles. It features dynamic on-time control with fast transient response. The device also features Adaptive UVLO (Under Voltage Lock Out) which monitors the input voltage and shuts down the regulator if the voltage falls below 5.5V. It also has an integrated output discharge controller which discharges the output voltage if the input voltage is shut down or if it falls below the UVLO threshold. The LM2681M6/NOPB is a highly efficient device with an efficiency of up to 92.6%, and a high power density design makes it suitable for small form factor applications. It is a great choice for applications requiring high efficiency and low power consumption.

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