PMIC - Voltage Regulators - DC DC Switching Regulators

Category Introduction

Products in the DC-DC switching regulator PMIC (Power Management Integrated Circuit) family are component-level devices used in applications requiring stabilization of a DC input voltage and/or transformation thereof to an output voltage of different magnitude. They are distinguished from similar products called "controller" PMICs by virtue of integrating the main switching element through which the power delivered by the device passes.

Product List

35099 Items

Mfr Part #	Quantity Available	UnitPrice	Series	Packaging	Product Status	Function	Output Configuration	Topology	Output Type	Number of Outputs	Voltage - Input (Min)	Voltage - Input (Max)	Voltage - Output (Min/Fixed)	Voltage - Output (Max)	Current - Output	Frequency - Switching	Synchronous Rectifier	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package
AP3428KTTR-G1 IC REG BUCK ADJUSTABLE 1A TSOT25 Diodes Incorporated	1,582	$0.47		Tape & Reel (TR)	Active	Step-Down	Positive	Buck	Adjustable	1	2.5V	5.5V	0.6V	5.5V	1A	1.5MHz	Yes	-40°C ~ 80°C (TA)	Surface Mount	SOT-23-5 Thin, TSOT-23-5	TSOT-25
AP3012KTR-G1 IC REG BOOST ADJ 500MA SOT23-5 Diodes Incorporated	1,787	$0.49		Tape & Reel (TR)	Active	Step-Up	Positive	Boost	Adjustable	1	2.6V	16V	1.25V	29V	500mA (Switch)	1.5MHz	No	-40°C ~ 85°C (TA)	Surface Mount	SC-74A, SOT-753	SOT-23-5
AZ34063UMTR-G1 IC REG BUCK BST ADJ 1.5A 8SOIC Diodes Incorporated	1,560	$0.50		Tape & Reel (TR)	Active	Step-Up, Step-Down	Positive or Negative	Buck, Boost	Adjustable	1	3V	36V	1.25V	36V	1.5A (Switch)	Up to 180kHz	No	-40°C ~ 85°C (TA)	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
AP62300TWU-7 DCDC CONV HV BUCK,TSOT26,T&R,3K Diodes Incorporated	436	$0.52		Tape & Reel (TR)	Active	Step-Down	Positive	Buck	Adjustable	1	4.2V	18V	0.8V	7V	3A	750kHz	Yes	-40°C ~ 85°C (TA)	Surface Mount	SOT-23-6 Thin, TSOT-23-6	TSOT-26
AP62200WU-7 DCDC CONV HV BUCK TSOT26 Diodes Incorporated	526	$0.43		Tape & Reel (TR)	Active	Step-Down	Positive	Buck	Adjustable	1	4.2V	18V	0.8V	7V	2A	740kHz	Yes	-40°C ~ 85°C (TA)	Surface Mount	SOT-23-6 Thin, TSOT-23-6	TSOT-26
AP61100Z6-7 DCDC CONV LV BUCK,SOT563,T&R,3K Diodes Incorporated	386	$0.52	Automotive, AEC-Q100	Tape & Reel (TR)	Active	Step-Down	Positive	Buck	Adjustable	1	2.3V	5.5V	0.6V	3.6V	1A	2.2MHz	Yes	-40°C ~ 85°C (TA)	Surface Mount	SOT-563, SOT-666	SOT-563
RT8059GJ5 IC REG BUCK ADJ 1A TSOT23-5 Richtek USA Inc.	2,033	$0.45		Tape & Reel (TR)	Active	Step-Down	Positive	Buck	Adjustable	1	2.8V	5.5V	0.6V	5.5V	1A	1.5MHz	Yes	-40°C ~ 85°C (TA)	Surface Mount	SOT-23-5 Thin, TSOT-23-5	TSOT-23-5
AP62301Z6-7 DCDC CONV HV BUCK SOT563 T&R 3K Diodes Incorporated	1,093	$0.46		Tape & Reel (TR)	Active	Step-Down	Positive	Buck	Adjustable	1	4.2V	18V	0.8V	7V	3A	750kHz	Yes	-40°C ~ 85°C (TA)	Surface Mount	SOT-563, SOT-666	SOT-563
AP62301WU-7 DCDC CONV HV BUCK TSOT26 T&R 3K Diodes Incorporated	643	$0.48		Tape & Reel (TR)	Active	Step-Down	Positive	Buck	Adjustable	1	4.2V	18V	0.8V	7V	3A	750kHz	Yes	-40°C ~ 85°C (TA)	Surface Mount	SOT-23-6 Thin, TSOT-23-6	TSOT-26
AOZ6662DI-01 POWER IC EZBUCK Alpha & Omega Semiconductor Inc.	823	$0.55	EZBuck™	Tape & Reel (TR)	Active	Step-Down	Positive	Buck	Adjustable	1	4.5V	18V	0.6V	6V	2A	750kHz	Yes	-40°C ~ 85°C (TA)	Surface Mount	8-SMD, Flat Lead Exposed Pad	8-DFN-EP (3x3)
AP3418KTR-G1 IC REG BUCK ADJ 1.5A SOT23-5 Diodes Incorporated	1,401	$0.53		Tape & Reel (TR)	Active	Step-Down	Positive	Buck	Adjustable	1	2.5V	5.5V	0.6V	5.5V	1.5A	1.4MHz	Yes	-40°C ~ 85°C (TA)	Surface Mount	SC-74A, SOT-753	SOT-23-5
AOZ6663DI POWER IC EZBUCK Alpha & Omega Semiconductor Inc.	486	$0.60	EZBuck™	Tape & Reel (TR)	Active	Step-Down	Positive	Buck	Adjustable	1	4.5V	18V	0.6V	6V	3A	750kHz	Yes	-40°C ~ 85°C (TA)	Surface Mount	8-SMD, Flat Lead Exposed Pad	8-DFN-EP (3x3)
PAM2320BECADJR IC REG BUCK ADJUSTABLE 3A 8SO Diodes Incorporated	1,360	$0.58		Tape & Reel (TR)	Not For New Designs	Step-Down	Positive	Buck	Adjustable	1	2.7V	5.5V	0.6V	5.5V	3A	1.5MHz	Yes	-40°C ~ 85°C (TA)	Surface Mount	8-SOIC (0.154", 3.90mm Width) Exposed Pad	8-SO-EP
AP3012KTR-E1 IC REG BOOST ADJ 500MA SOT23-5 Diodes Incorporated	1,296	$0.64		Tape & Reel (TR)	Active	Step-Up	Positive	Boost	Adjustable	1	2.6V	16V	1.25V	29V	500mA (Switch)	1.5MHz	No	-40°C ~ 85°C (TA)	Surface Mount	SC-74A, SOT-753	SOT-23-5
MC34063ADR2G IC REG BUCK BST ADJ 1.5A 8SOIC onsemi	612	$0.65		Tape & Reel (TR)	Active	Step-Up, Step-Down	Positive or Negative	Buck, Boost	Adjustable	1	3V	40V	1.25V	40V (Switch)	1.5A (Switch)	100kHz	No	0°C ~ 70°C (TA)	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
AP3015KTR-G1 IC REG BOOST ADJ 300MA SOT23-5 Diodes Incorporated	261	$0.74		Tape & Reel (TR)	Active	Step-Up	Positive	Boost	Adjustable	1	1.2V	12V	1.23V	34V	300mA (Switch)	150kHz	No	-40°C ~ 85°C (TA)	Surface Mount	SC-74A, SOT-753	SOT-23-5
PAM2306AYPKE IC REG BUCK 1.8V/3.3V DL 12WDFN Diodes Incorporated	171	$0.75		Tape & Reel (TR)	Active	Step-Down	Positive	Buck	Fixed	2	2.5V	5.5V	1.8V, 3.3V	-	1A	1.5MHz	Yes	-40°C ~ 85°C (TA)	Surface Mount	12-WFDFN Exposed Pad	12-WDFN (3x3)
PAM2306DYPAA IC REG BUCK ADJ 1A DL 12WDFN Diodes Incorporated	884	$0.75		Tape & Reel (TR)	Active	Step-Down	Positive	Buck	Adjustable	2	2.5V	5.5V	0.6V	5.5V	1A	1.5MHz	Yes	-40°C ~ 85°C (TA)	Surface Mount	12-WFDFN Exposed Pad	W-DFN3030-12
RT6208GE IC REG BUCK ADJ 100MA SOT23-6 Richtek USA Inc.	767	$0.76		Tape & Reel (TR)	Active	Step-Down	Positive	Buck	Adjustable	1	4.5V	36V	0.8V	36V	100mA	-	Yes	-40°C ~ 85°C (TA)	Surface Mount	SOT-23-6	SOT-23-6
AOZ6605PI-1 POWER IC EZ BUCK Alpha & Omega Semiconductor Inc.	201	$0.77	EZBuck™	Tape & Reel (TR)	Active	Step-Down	Positive	Buck	Adjustable	1	4.5V	18V	0.8V	15.3V	5A	600kHz	Yes	-40°C ~ 85°C (TA)	Surface Mount	8-SOIC (0.154", 3.90mm Width) Exposed Pad	8-SO-EP

About DC DC Switching Regulators in Voltage Regulators

What are DC DC Switching Regulators in Voltage Regulators?

DC DC Switching Regulators in Voltage Regulators

DC DC Switching Regulators are a type of voltage regulator used in power management integrated circuits (PMICs) to efficiently convert one DC voltage level to another. They operate by rapidly switching an inductor or transformer on and off, storing energy in the magnetic field, and then releasing it to the output at the desired voltage level. This switching action allows them to achieve high efficiency, often exceeding 90%, making them ideal for applications where power conservation is crucial. The basic operating principle involves pulse-width modulation (PWM) or pulse-frequency modulation (PFM) to control the output voltage, ensuring a stable supply despite variations in input voltage or load conditions.

Types of DC DC Switching Regulators in Voltage Regulators

1. Buck Converters

Buck converters, also known as step-down converters, reduce the input voltage to a lower output voltage. They are widely used in applications where the supply voltage is higher than the required load voltage, such as in battery-powered devices. Their efficiency and simplicity make them a popular choice for portable electronics.

2. Boost Converters

Boost converters, or step-up converters, increase the input voltage to a higher output voltage. They are essential in applications where the input voltage is lower than the desired output, such as in solar power systems or LED drivers. Their ability to provide a higher voltage output from a lower voltage source makes them invaluable in energy harvesting applications.

3. Buck-Boost Converters

Buck-boost converters can either step up or step down the input voltage, providing flexibility in applications where the input voltage can vary above or below the desired output voltage. They are particularly useful in battery-operated devices where the battery voltage decreases over time.

4. Inverting Converters

Inverting converters change the polarity of the input voltage, providing a negative output voltage. These are used in applications requiring dual power supply rails, such as operational amplifiers or analog circuits.

How to choose DC DC Switching Regulators in Voltage Regulators?

When selecting a DC DC Switching Regulator, several key parameters should be considered:

Output Voltage and Current: Ensure the regulator can provide the required voltage and current for your application.
Efficiency: Higher efficiency reduces heat generation and improves battery life in portable devices.
Switching Frequency: A higher frequency can reduce the size of external components but may increase electromagnetic interference (EMI).
Load Regulation: The ability to maintain a constant output voltage despite changes in load current.
Thermal Performance: Consider the thermal management requirements, especially in high-power applications.

Evaluating product quality and reliability involves reviewing supplier datasheets, customer reviews, and industry certifications. Environmental factors such as temperature range, humidity, and potential exposure to harsh conditions should also be considered. Installation requirements, including PCB layout and component placement, can impact performance and should be carefully planned.

Applications of DC DC Switching Regulators in Voltage Regulators

1. Consumer Electronics

In consumer electronics, DC DC Switching Regulators are used to manage power in smartphones, tablets, and laptops. They ensure efficient power conversion, extending battery life and reducing heat generation, which is crucial for compact devices.

2. Automotive Industry

In the automotive sector, these regulators are used in electric vehicles (EVs) and hybrid vehicles to manage power distribution from the battery to various electronic systems. They help in maintaining stable voltage levels for infotainment systems, lighting, and engine control units.

3. Telecommunications

Telecommunications equipment, such as base stations and networking devices, rely on DC DC Switching Regulators to provide stable power supply, ensuring reliable communication and data transmission even under varying load conditions.

4. Industrial Automation

In industrial automation, these regulators are used in control systems and robotics to provide precise voltage levels, ensuring accurate operation of sensors, actuators, and control units.

5. Renewable Energy Systems

DC DC Switching Regulators are integral to renewable energy systems, such as solar panels and wind turbines, where they convert and stabilize the variable output from these sources to a usable voltage level for storage or grid integration.