18 Switching Regulators & Controllers 61

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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	Technology	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 Supply Voltage (Vsup)	Maximum Seated Height	Width (mm)	Qualification	Minimum Supply Voltage (Vsup)	Nominal Input Voltage	Additional Features	Minimum Input Voltage	JESD-609 Code	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Length	Nominal Output Voltage	Maximum Input Voltage
PT6364N	Texas Instruments	SWITCHING REGULATOR	INDUSTRIAL	18		RECTANGULAR	NO	400 kHz	METAL	11 A	1	HYBRID	THROUGH-HOLE		SINGLE	MICROELECTRONIC ASSEMBLY	SIP12	Switching Regulator or Controllers		85 Cel		VOLTAGE-MODE	-40 Cel			SINGLE	R-MSMA-T18					Not Qualified		12 V		10.8 V		NOT SPECIFIED	NOT SPECIFIED			13.2 V
PT7675C	Texas Instruments	SWITCHING REGULATOR	INDUSTRIAL	18		RECTANGULAR	YES	350 kHz	METAL	30 A	1	HYBRID	GULL WING		SINGLE	MICROELECTRONIC ASSEMBLY	SMSIP27H,1.4	Switching Regulator or Controllers	2.54 mm	85 Cel		VOLTAGE-MODE	-40 Cel			SINGLE	R-MSMA-G18					Not Qualified		5 V		4.5 V		NOT SPECIFIED	NOT SPECIFIED			5.5 V
NCP5201MN	Onsemi	SWITCHING CONTROLLER	COMMERCIAL	18	HVSON	RECTANGULAR	YES	275 kHz	UNSPECIFIED	.65 A	1		NO LEAD	PULSE WIDTH MODULATION	SINGLE	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE	SOLCC18,.2,20	Switching Regulator or Controllers	.5 mm	70 Cel		VOLTAGE-MODE	0 Cel	TIN		DUAL	R-XDSO-N18	2		1 mm	5 mm	Not Qualified		12 V			e3	30	235	6 mm
NCP5203MNR2G	Onsemi	SWITCHING CONTROLLER	COMMERCIAL	18	HVSON	RECTANGULAR	YES	700 kHz	PLASTIC/EPOXY	.4 A	1		NO LEAD	PULSE WIDTH MODULATION	PUSH-PULL	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE	SOLCC18,.2,20	Switching Regulator or Controllers	.5 mm	70 Cel		VOLTAGE-MODE	0 Cel	TIN		DUAL	R-PDSO-N18	1		1 mm	5 mm	Not Qualified		5 V		4.5 V	e3	30	260	6 mm		5.5 V
UC2526ANG4	Texas Instruments	SWITCHING CONTROLLER	OTHER	18	DIP	RECTANGULAR	NO	600 kHz	PLASTIC/EPOXY	.2 A	1	CMOS	THROUGH-HOLE	PULSE WIDTH MODULATION	BUCK-BOOST	IN-LINE	DIP18,.3	Switching Regulator or Controllers	2.54 mm	85 Cel	4.95 V	VOLTAGE-MODE	-25 Cel	NICKEL PALLADIUM GOLD	5.05 V	DUAL	R-PDIP-T18		35 V	5.08 mm	7.62 mm	Not Qualified	7 V	15 V	LG-MAX	7 V	e4			22.48 mm	5 V	35 V
UC2874N-1G4	Texas Instruments	SWITCHING CONTROLLER	OTHER	18	DIP	RECTANGULAR	NO	300 kHz	PLASTIC/EPOXY	1 A	1	BIPOLAR	THROUGH-HOLE	PULSE WIDTH MODULATION	PUSH-PULL	IN-LINE	DIP18,.3	Switching Regulator or Controllers	2.54 mm	85 Cel		CURRENT-MODE	-25 Cel	NICKEL PALLADIUM GOLD		DUAL	R-PDIP-T18			5.08 mm	7.62 mm	Not Qualified		12 V		12 V	e4			22.48 mm		36 V
UC3526ADWG4	Texas Instruments	SWITCHING CONTROLLER	COMMERCIAL	18	SOP	RECTANGULAR	YES	600 kHz	PLASTIC/EPOXY	.2 A	1	CMOS	GULL WING	PULSE WIDTH MODULATION	BUCK-BOOST	SMALL OUTLINE	SOP18,.4	Switching Regulator or Controllers	1.27 mm	70 Cel	4.9 V	VOLTAGE-MODE	0 Cel	NICKEL PALLADIUM GOLD	5.1 V	DUAL	R-PDSO-G18	2	35 V	2.65 mm	7.5 mm	Not Qualified	7 V	15 V		7 V	e4	30	260	11.55 mm	5 V	35 V
UC3526NG4	Texas Instruments	SWITCHING CONTROLLER	COMMERCIAL	18	DIP	RECTANGULAR	NO	400 kHz	PLASTIC/EPOXY	.2 A	1	CMOS	THROUGH-HOLE	PULSE WIDTH MODULATION	BUCK-BOOST	IN-LINE	DIP18,.3	Switching Regulator or Controllers	2.54 mm	70 Cel	4.9 V	VOLTAGE-MODE	0 Cel	NICKEL PALLADIUM GOLD	5.1 V	DUAL	R-PDIP-T18		35 V	5.08 mm	7.62 mm	Not Qualified	8 V	15 V		8 V	e4			22.48 mm	5 V	35 V
UC3871NG4	Texas Instruments	FLUORESCENT LIGHT CONTROLLER	COMMERCIAL	18	DIP	RECTANGULAR	NO	78 kHz	PLASTIC/EPOXY	.1 A	1	BIPOLAR	THROUGH-HOLE	RESONANT CONTROL	PUSH-PULL	IN-LINE	DIP18,.3	Switching Regulator or Controllers	2.54 mm	70 Cel		CURRENT-MODE	0 Cel	NICKEL PALLADIUM GOLD		DUAL	R-PDIP-T18			5.08 mm	7.62 mm	Not Qualified		5 V		4.5 V	e4			22.48 mm		20 V
UC3874N-2G4	Texas Instruments	SWITCHING CONTROLLER	COMMERCIAL	18	DIP	RECTANGULAR	NO	300 kHz	PLASTIC/EPOXY	1 A	1	BIPOLAR	THROUGH-HOLE	PULSE WIDTH MODULATION	PUSH-PULL	IN-LINE	DIP18,.3	Switching Regulator or Controllers	2.54 mm	70 Cel		CURRENT-MODE	0 Cel	NICKEL PALLADIUM GOLD		DUAL	R-PDIP-T18			5.08 mm	7.62 mm	Not Qualified		12 V		12 V	e4			22.48 mm		36 V
UC2526ADWG4	Texas Instruments	SWITCHING CONTROLLER	OTHER	18	SOP	RECTANGULAR	YES	600 kHz	PLASTIC/EPOXY	.2 A	1	CMOS	GULL WING	PULSE WIDTH MODULATION	BUCK-BOOST	SMALL OUTLINE	SOP18,.4	Switching Regulator or Controllers	1.27 mm	85 Cel	4.95 V	VOLTAGE-MODE	-25 Cel	NICKEL PALLADIUM GOLD	5.05 V	DUAL	R-PDSO-G18	2	35 V	2.65 mm	7.5 mm	Not Qualified	7 V	15 V		7 V	e4	30	260	11.55 mm	5 V	35 V
UC3526ADWTRG4	Texas Instruments	SWITCHING CONTROLLER	COMMERCIAL	18	SOP	RECTANGULAR	YES	650 kHz	PLASTIC/EPOXY	.2 A	1	CMOS	GULL WING	PULSE WIDTH MODULATION	PUSH-PULL	SMALL OUTLINE	SOP18,.4	Switching Regulator or Controllers	1.27 mm	70 Cel	4.9 V	VOLTAGE-MODE	0 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	5.1 V	DUAL	R-PDSO-G18	2	35 V	2.65 mm	7.5 mm	Not Qualified	7 V	15 V		7 V	e4	NOT SPECIFIED	260	11.55 mm	5 V	35 V
CSD95496QVMT	Texas Instruments	SWITCHING REGULATOR	MILITARY	18	HTSON	RECTANGULAR	YES	1250 kHz	PLASTIC/EPOXY	40 A	1		NO LEAD	PULSE WIDTH MODULATION	BUCK	SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE			.5 mm	150 Cel			-55 Cel	MATTE TIN		DUAL	R-PDSO-N18	2		1.05 mm	4 mm			12 V	OUTPUT VOLTAGE-MAX= 5.5V	4.5 V	e3	30	260	5 mm		16 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.