72 Switching Regulators & Controllers 6

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Part	Manufacturer	Other IC type	Temperature Grade	No. of Terminals	Package Code	Package Shape	Surface Mount	Maximum Switching Frequency	Package Body Material	Maximum Output Current	No. of Functions	Terminal Form	Control Technique	Switcher Config	Package Style (Meter)	Package Equivalence Code	Sub-Category	Terminal Pitch	Maximum Operating Temperature	Minimum Output Voltage	Control Mode	Minimum Operating Temperature	Terminal Finish	Maximum Output Voltage	Terminal Position	JESD-30 Code	Moisture Sensitivity Level (MSL)	Maximum Seated Height	Width (mm)	Qualification	Nominal Input Voltage	Additional Features	Minimum Input Voltage	JESD-609 Code	Maximum Time At Peak Reflow Temperature (s)	No. of Outputs	Peak Reflow Temperature (C)	Length	Nominal Output Voltage	Maximum Input Voltage
LMZ31530RLGT	Texas Instruments	SWITCHING REGULATOR	INDUSTRIAL	72	HBCC	RECTANGULAR	YES	850 kHz	PLASTIC/EPOXY	30 A	1	NO LEAD		BUCK	SPECIAL SHAPE	LCC72,.59X.63,32	Switching Regulator or Controllers	.8 mm	85 Cel	.6 V	VOLTAGE-MODE	-40 Cel	NICKEL PALLADIUM GOLD	3.6 V	UNSPECIFIED	R-PXSS-N72	3	2.7 mm	15 mm	Not Qualified	12 V	ALSO OPTS IN ADJ MODE FROM 0.6 TO 3.6V, I/P SWTC VLTG RANGE IS 3 TO 14.5V, SEATED HGT-NOM	3 V	e4	30	1	245	16 mm	1.8 V	14.5 V
LMZ31520RLGT	Texas Instruments	SWITCHING REGULATOR	INDUSTRIAL	72	HBCC	RECTANGULAR	YES	850 kHz	PLASTIC/EPOXY	20 A	1	NO LEAD		BUCK	SPECIAL SHAPE	LCC72,.59X.63,32	Switching Regulator or Controllers	.8 mm	85 Cel	.6 V	VOLTAGE-MODE	-40 Cel	NICKEL PALLADIUM GOLD	3.6 V	UNSPECIFIED	R-PXSS-N72	3	2.7 mm	15 mm	Not Qualified	12 V	ALS OPTS IN ADJ MODE FROM 0.6 TO 3.6V, I/P SWT VOLT RANGE IS 3 TO 14.5V, SEATED HGT-NOM	3 V	e4	30	1	245	16 mm	1.8 V	14.5 V
LMZ31520RLGR	Texas Instruments	SWITCHING REGULATOR	INDUSTRIAL	72		RECTANGULAR	YES	850 kHz	UNSPECIFIED	20 A	1	NO LEAD		SINGLE	SPECIAL SHAPE				85 Cel			-40 Cel	NICKEL PALLADIUM GOLD		UNSPECIFIED	R-XXSS-N72	3				12 V	ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6 TO 3.6V, INPUT SWITCHING VOLTAGE RANGE IS 3 TO 14.5V	4.5 V	e4	30		260		1.8 V	14.5 V
LMZ31530RLGR	Texas Instruments	SWITCHING REGULATOR	INDUSTRIAL	72		RECTANGULAR	YES	850 kHz	UNSPECIFIED	30 A	1	NO LEAD		SINGLE	SPECIAL SHAPE				85 Cel			-40 Cel	NICKEL PALLADIUM GOLD		UNSPECIFIED	R-XXSS-N72	3				12 V	ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6 TO 3.6V, INPUT SWITCHING VOLTAGE RANGE IS 3 TO 14.5V	4.5 V	e4	30		260		1.8 V	14.5 V
L6751	STMicroelectronics	DUAL SWITCHING CONTROLLER	COMMERCIAL	72	LGA	SQUARE	YES	200 kHz	UNSPECIFIED		1	NO LEAD	PULSE WIDTH MODULATION	BUCK	GRID ARRAY	SLGA72,11X11,22	Switching Regulator or Controllers		70 Cel		VOLTAGE-MODE	0 Cel			BOTTOM	S-XBGA-N72		.8 mm	6 mm	Not Qualified	5 V		4.75 V					6 mm		5.25 V
L6751TR	STMicroelectronics	DUAL SWITCHING CONTROLLER	COMMERCIAL	72	LGA	SQUARE	YES	200 kHz	UNSPECIFIED		1	NO LEAD	PULSE WIDTH MODULATION	BUCK	GRID ARRAY	SLGA72,11X11,22	Switching Regulator or Controllers		70 Cel		VOLTAGE-MODE	0 Cel			BOTTOM	S-XBGA-N72		.8 mm	6 mm	Not Qualified	5 V		4.75 V					6 mm		5.25 V

Switching Regulators & Controllers

Switching regulators and controllers are electronic devices used to regulate the output voltage and current of power supplies. They operate by rapidly switching a power supply circuit between on and off states, resulting in a high-frequency waveform that can be filtered and smoothed to produce a stable output voltage.

Switching regulators and controllers offer several advantages over traditional linear regulators, including higher efficiency and the ability to handle a wider range of input voltages. They are commonly used in applications such as power supplies for computers, LED lighting, and motor control.

Switching regulators and controllers come in a variety of forms, including step-up (boost), step-down (buck), and step-up/down (buck-boost) configurations. They may be designed as integrated circuits (ICs) or as standalone modules.

Switching regulators and controllers typically include feedback control circuits to adjust the output voltage and current, as well as protection circuits to prevent overvoltage, overcurrent, and overtemperature conditions. They may also include features such as soft-start to reduce inrush currents and synchronization with external clock signals.