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Regulators

TL431 Programmable Reference Voltage
TL431 Programmable Reference Voltage

TL431 – Programmable Reference Voltage

The TL431 is a regulator diode whose output voltage can be programmed by changing the value of resistors connected to it. It acts almost like a Zener diode except for that the voltage rating of this IC is programmable.
HLK-PM01 AC to DC 5V Power Module
HLK-PM01 AC to DC 5V Power Module

HLK-PM01 AC to DC 5V Power module

The HLK-PM01 is a small size low cost AC to DC converter which can take in 110V/220V AC at 50/60 Hz and give 5V 3W output. The module is can be used in designs which run on 5V and needs to be powered form the AC mains.  
HT7333 3.3V Linear Voltage Regulator
HT7333 3.3V Linear Voltage Regulator

HT7333 High Efficiency 3.3V Linear Voltage Regulator

The HT7333 is high efficiency 3.3V linear voltage regulator providing a regulated voltage of 3.3V   Pin Configuration Pin Number Pin Name
Small 36V, 1A DC/DC step-down power module
Small 36V, 1A DC/DC step-down power module

Small 36V, 1A DC/DC step-down power module

Texas Instruments introduced two new 4V to 36V buck power modules - 0.5A LMZM23600 and 1A LMZM23601, that measure just 3.0 mm by 3.8 mm and require only two external components for operation.
CS51411 Buck Regulator
CS51411 Buck Regulator

CS51411 Buck Regulator

CS51411 is a 1.5A, 260 kHz and 520 kHz, Low Voltage Buck Regulator with External Bias or Synchronization Capability.