BH18LB1WG-TR

Current - Output:	150mA
Base Part Number:	BH18
Supplier Device Package:	5-SSOP
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	70dB (1kHz)
Current - Quiescent (Iq):	70µA
Series:	--
Voltage Dropout (Max):	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.8V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Not For New Designs
Packaging:	Tape & Reel (TR)

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The BH18LB1WG-TR is one of several members of the Product Line of Linear Voltage Regulators (LDOs) developed by Texas Instruments. This IC offers a range of features and benefits that enable design engineers to meet the challenging power supply requirements of modern digital equipment.The BH18LB1WG-TR is a cost-effective, high-performance, Polyphase™-stabilized, Non Isolation Linear regulator that offers excellent current regulation and voltage stability for a wide variety of applications. Its small package size and excellent thermal performance make it well suited for space-constrained end products, such as cell phones, PDAs, laptop computers and other portable devices.One of the strengths of the BH18LB1WG-TR is its ability to precisely regulate an output voltage to a specified value, regardless of the input voltage. This is accomplished through the use of Polyphase stabilization, an advanced technique that maintains a stable output voltage over a wide range of input voltages. The BH18LB1WG-TR also features ripple rejection, current limiting and thermal protection, further enhancing its performance and reliability.The application field of BH18LB1WG-TR includes, but is not limited to, various electronic products, such as LED drivers, battery chargers, mobile line drivers, digital audio amplifiers, household appliances and power supplies. The device can be used in a single-ended or dual-ended configuration, either as a constant voltage linear regulator or a constant current source.The working principle of the BH18LB1WG-TR is based on the Polyphase stabilization technique. It employs multiple parallel-connected transistors and diodes to dynamically balance the voltages at each output and maintain a constant output voltage over a wide range of input voltages. This is similar to a linear power regulator, but instead of a single transistor, the output current signal is fed into multiple transistors and diodes, allowing for a greater degree of fine-tuning and better ripple rejection.The BH18LB1WG-TR is designed to provide the necessary current and voltage regulation for a wide range of applications. Thanks to its advanced Polyphase stabilization, it is able to maintain a precise output voltage with little or no input voltage variations. The device also features current limiting, ripple rejection and thermal protection, making it ideal for use in portable and other space-constrained devices. By incorporating the BH18LB1WG-TR into end products, designers can easily achieve time- and cost-savings while maintaining excellent performance and design flexibility.

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