PMIC - Voltage Regulators - Linear Regulator Controllers

Category Introduction

Linear voltage regulation refers to the use of a pass element (usually a bipolar or field effect transistor) connected in series with a load, together with appropriate control circuits driving the pass element so as to produce a nominally constant voltage across the load that is insensitive to changes in supply voltage to the circuit or the amount of load current drawn. Products within this family provide the necessary control function for use with an external pass element, distinguishing them from integrated linear regulators which combine a pass element with control circuits in a single device package.

Product List

22 Items

Mfr Part #	Quantity Available	UnitPrice	Packaging	Product Status	Type	Number of Outputs	Current - Supply	Voltage - Input	Operating Temperature	Package / Case	Supplier Device Package
L78M05TL-E-SY 5V VOLTAGE REGULATOR Sanyo	2,539	$0.23	Bulk	Active	-	-	-	-	-	-	-
LP2985AIM-3.6/NOPB MICROPOWER 150MA LOW-NOISE ULTRA National Semiconductor	688	$0.31	Bulk	Active	-	-	-	-	-	-	-
LM25576MHX/J7001799 SIMPLE SWITCHER 42 VOLT, 3 AMP S National Semiconductor	135	$1.45	Bulk	Active	-	-	-	-	-	-	-
LP2985IM5-2.9/ONOPB FIXED POSITIVE LDO REGULATOR National Semiconductor	393	$0.00	Bulk	Active	-	-	-	-	-	-	-
L78M05TL-E 5V VOLTAGE REGULATOR onsemi	282	$0.00	Bulk	Active	-	-	-	-	-	-	-
TPS79328DBVT FIXED POSITIVE LDO REGULATOR Texas Instruments	63	$0.00	Bulk	Active	-	-	-	-	-	-	-
LM317MDT-001 POSITIVE ADJUSTABLE REGULATOR Motorola	234	$0.00	Bulk	Active	-	-	-	-	-	-	-
LM317MDT-001-ON POSITIVE ADJUSTABLE REGULATOR onsemi	106	$0.00	Bulk	Active	-	-	-	-	-	-	-
MC78M05CDT-001 5V VOLTAGE REGULATOR Motorola	36	$0.00	Bulk	Active	-	-	-	-	-	-	-
LM3480IM3-5/NOPB 100 MA, QUASI LOW-DROPOUT LINEAR National Semiconductor	594	$0.00	Bulk	Active	-	-	-	-	-	-	-
LM317EMPX/EMSN ADJ OUTPUT LINEAR REGULATOR National Semiconductor	242	$0.00	Bulk	Active	-	-	-	-	-	-	-
TEA1761T/N2/DG SWITCHING REGULATOR/CONTROLLER, NXP USA Inc.	348	$0.00	Bulk	Active	-	-	-	-	-	-	-
TJA1028T/3V3/20/1 LIN TRANSCEIVER WITH INTEGRATED NXP USA Inc.	276	$0.00	Bulk	Active	-	-	-	-	-	-	-
LM2575-5.0BT L3 52KHZ SIMPLE 1A BUCK REGULATOR Micrel Inc.	188	$0.00	Bulk	Active	-	-	-	-	-	-	-
LM4510SD 1.8A, 1200KHZ SWITCHING FREQ-MAX National Semiconductor	269	$0.00	Bulk	Active	-	-	-	-	-	-	-
LM2596SX-12/J7001724 SWITCHING REGULATOR, VOLTAGE-MOD Texas Instruments	230	$0.00	Bulk	Active	-	-	-	-	-	-	-
LM2596SX-12/J7001724-NS SWITCHING REGULATOR, VOLTAGE-MOD National Semiconductor	180	$0.00	Bulk	Active	-	-	-	-	-	-	-
LM2594M-ADJ/NAK2 SIMPLE SWITCHER, 40V, 500MA STEP National Semiconductor	199	$0.00	Bulk	Active	-	-	-	-	-	-	-
MC34VR500V4ES557 REGULATOR, BUCK, QUAD WITH UP TO NXP USA Inc.	477	$0.00	Bulk	Active	-	-	-	-	-	-	-
LP2975IMM-5.0/NOPB IC LNR REG CTRLR 1OUT 8VSSOP Texas Instruments	166	$0.00	Tape & Reel (TR)	Obsolete	Positive Fixed	1	180µA	1.8V ~ 24V	-40°C ~ 125°C	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-VSSOP

About PMIC Linear Regulator Controllers in Voltage Regulators

What are PMIC Linear Regulator Controllers in Voltage Regulators?

PMIC Linear Regulator Controllers in Voltage Regulators

PMIC Linear Regulator Controllers are integral components in the realm of voltage regulation, primarily used to maintain a stable output voltage from a varying input voltage source. These controllers are a subset of Power Management Integrated Circuits (PMICs) and are designed to regulate voltage with high precision and low noise. They operate by adjusting the resistance in a series pass element, typically a transistor, to control the output voltage. This process involves comparing the output voltage with a reference voltage and making necessary adjustments to maintain the desired output, ensuring efficient power delivery to sensitive electronic components.

Types of PMIC Linear Regulator Controllers in Voltage Regulators

Low-Dropout (LDO) Regulators

Low-Dropout Regulators are a popular type of linear regulator that can maintain regulation with a very small difference between input and output voltage. They are ideal for applications requiring low noise and high efficiency, especially in battery-powered devices where conserving energy is crucial.

Adjustable Linear Regulators

Adjustable Linear Regulators offer flexibility by allowing users to set the output voltage to a desired level using external resistors. This adaptability makes them suitable for applications where precise voltage levels are necessary, such as in custom power supply designs.

Fixed Linear Regulators

Fixed Linear Regulators provide a constant output voltage and are typically used in applications where a specific voltage is required consistently. They are known for their simplicity and ease of use, making them a go-to choice for straightforward voltage regulation tasks.

How to choose PMIC Linear Regulator Controllers in Voltage Regulators?

When selecting a PMIC Linear Regulator Controller, several key parameters should be considered:

Output Voltage: Determine whether a fixed or adjustable output voltage is needed based on the application requirements.
Dropout Voltage: Choose a regulator with a low dropout voltage for applications with minimal input-output voltage differential.
Load Regulation: Evaluate the regulator's ability to maintain a constant output voltage under varying load conditions.
Quiescent Current: Consider the quiescent current for battery-powered applications to ensure energy efficiency.
Thermal Performance: Assess the thermal characteristics and ensure adequate heat dissipation to prevent overheating.

To evaluate product quality and reliability, review supplier datasheets, customer reviews, and industry certifications. Consider environmental factors such as operating temperature range and installation requirements, ensuring compatibility with the intended application environment.

Applications of PMIC Linear Regulator Controllers in Voltage Regulators

Consumer Electronics

In consumer electronics, PMIC Linear Regulator Controllers are used to power devices like smartphones, tablets, and laptops. They ensure stable voltage supply to sensitive components, enhancing device performance and battery life.

Automotive Industry

These controllers are crucial in automotive applications, providing reliable power to electronic control units (ECUs) and infotainment systems, ensuring consistent performance under varying vehicle conditions.

Telecommunications

In telecommunications, they are employed in base stations and networking equipment to maintain signal integrity and prevent power fluctuations that could disrupt communication services.

Medical Devices

PMIC Linear Regulator Controllers are vital in medical devices, where precise voltage regulation is necessary to ensure the accuracy and reliability of diagnostic and monitoring equipment.

Industrial Automation

In industrial automation, these controllers provide stable power to sensors and control systems, ensuring efficient and uninterrupted operation of automated processes.