TO-220 Switching Regulators & Controllers 22

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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 Supply Current (Isup)	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	Qualification	Nominal Input Voltage	Minimum Input Voltage	JESD-609 Code	Peak Reflow Temperature (C)	Nominal Output Voltage	Maximum Input Voltage
MIC2171BT	Micrel	SWITCHING REGULATOR	INDUSTRIAL	5	TO-220	RECTANGULAR	NO	115 kHz	UNSPECIFIED	9 mA	5.5 A	1	BIPOLAR	THROUGH-HOLE	PULSE WIDTH MODULATION	BOOST	FLANGE MOUNT	SIP5,.1,67TB	Switching Regulator or Controllers	1.7 mm	85 Cel		CURRENT-MODE	-40 Cel	TIN LEAD		SINGLE	R-XSFM-T5	Not Qualified	5 V	3 V	e0		1.24 V	40 V
LM2576T-005	Onsemi	SWITCHING REGULATOR	AUTOMOTIVE	5	TO-220	RECTANGULAR	NO	63 kHz	PLASTIC/EPOXY		7.5 A	1		THROUGH-HOLE	PULSE WIDTH MODULATION	BUCK	FLANGE MOUNT	SIP3,.1TB	Switching Regulator or Controllers	2.54 mm	125 Cel		VOLTAGE-MODE	-40 Cel	TIN LEAD		SINGLE	R-PSFM-T5	Not Qualified	12 V	8 V	e0	235		40 V
LM2576T-012	Onsemi	SWITCHING REGULATOR	AUTOMOTIVE	5	TO-220	RECTANGULAR	NO	63 kHz	PLASTIC/EPOXY		7.5 A	1		THROUGH-HOLE	PULSE WIDTH MODULATION	BUCK	FLANGE MOUNT	SIP3,.1TB	Switching Regulator or Controllers	2.54 mm	125 Cel		VOLTAGE-MODE	-40 Cel	TIN LEAD		SINGLE	R-PSFM-T5	Not Qualified	25 V	15 V	e0	235		40 V
LM2576T-015	Onsemi	SWITCHING REGULATOR	AUTOMOTIVE	5	TO-220	RECTANGULAR	NO	63 kHz	PLASTIC/EPOXY		7.5 A	1		THROUGH-HOLE	PULSE WIDTH MODULATION	BUCK	FLANGE MOUNT	SIP3,.1TB	Switching Regulator or Controllers	2.54 mm	125 Cel		VOLTAGE-MODE	-40 Cel	TIN LEAD		SINGLE	R-PSFM-T5	Not Qualified	30 V	18 V	e0	235		40 V
LM2576TV-005	Onsemi	SWITCHING REGULATOR	AUTOMOTIVE	5	TO-220	RECTANGULAR	NO	63 kHz	PLASTIC/EPOXY		7.5 A	1		THROUGH-HOLE	PULSE WIDTH MODULATION	BUCK	FLANGE MOUNT	SIP3,.1TB	Switching Regulator or Controllers	2.54 mm	125 Cel		VOLTAGE-MODE	-40 Cel	TIN LEAD		ZIG-ZAG	R-PZFM-T5	Not Qualified	12 V	8 V	e0	235		40 V
TOP234YN	Power Integrations	SWITCHING REGULATOR	AUTOMOTIVE	5	TO-220	RECTANGULAR	NO	140 kHz	PLASTIC/EPOXY		2.4 A	1	CMOS	THROUGH-HOLE	PULSE WIDTH MODULATION	SINGLE	FLANGE MOUNT	ZIP5/7,.25,.05TB	Switching Regulator or Controllers	1.27 mm	125 Cel		VOLTAGE-MODE	-40 Cel	MATTE TIN		ZIG-ZAG	R-PZFM-T5	Not Qualified			e3
NCP1442T	Onsemi	SWITCHING REGULATOR	OTHER	7	TO-220	RECTANGULAR	NO	320 kHz	PLASTIC/EPOXY		8 A	1		THROUGH-HOLE	PULSE WIDTH MODULATION	BOOST	FLANGE MOUNT	SIP7,.1,50TB	Switching Regulator or Controllers	1.27 mm	85 Cel		CURRENT-MODE	0 Cel	TIN LEAD		SINGLE	R-PSFM-T7	Not Qualified	12 V	2.7 V	e0	235		30 V
NCP1443T	Onsemi	SWITCHING REGULATOR	OTHER	7	TO-220	RECTANGULAR	NO	320 kHz	PLASTIC/EPOXY		8 A	1		THROUGH-HOLE	PULSE WIDTH MODULATION	BOOST	FLANGE MOUNT	SIP7,.1,50TB	Switching Regulator or Controllers	1.27 mm	85 Cel		CURRENT-MODE	0 Cel	TIN LEAD		SINGLE	R-PSFM-T7	Not Qualified	12 V	2.7 V	e0	235		30 V
NCP1444T	Onsemi	SWITCHING REGULATOR	OTHER	7	TO-220	RECTANGULAR	NO	640 kHz	PLASTIC/EPOXY		8 A	1		THROUGH-HOLE	PULSE WIDTH MODULATION	BOOST	FLANGE MOUNT	SIP7,.1,50TB	Switching Regulator or Controllers	1.27 mm	85 Cel		CURRENT-MODE	0 Cel	TIN LEAD		SINGLE	R-PSFM-T7	Not Qualified	12 V	2.7 V	e0	235		30 V
NCP1445T	Onsemi	SWITCHING REGULATOR	OTHER	7	TO-220	RECTANGULAR	NO	640 kHz	PLASTIC/EPOXY		8 A	1		THROUGH-HOLE	PULSE WIDTH MODULATION	BOOST	FLANGE MOUNT	SIP7,.1,50TB	Switching Regulator or Controllers	1.27 mm	85 Cel		CURRENT-MODE	0 Cel	TIN LEAD		SINGLE	R-PSFM-T7	Not Qualified	12 V	2.7 V	e0	235		30 V
LM2576TV-012G	Onsemi	SWITCHING REGULATOR	AUTOMOTIVE	5	TO-220	RECTANGULAR	NO	63 kHz	PLASTIC/EPOXY		7.5 A	1	BIPOLAR	THROUGH-HOLE	PULSE WIDTH MODULATION	BUCK	FLANGE MOUNT	ZIP5,.15,.2,67TB	Switching Regulator or Controllers		125 Cel	11.76 V	VOLTAGE-MODE	-40 Cel	TIN	12.24 V	ZIG-ZAG	R-PZFM-T5	Not Qualified	25 V	15 V	e3		12 V	40 V
MC33166TVG	Onsemi	SWITCHING REGULATOR	INDUSTRIAL	5	TO-220	RECTANGULAR	NO	81 kHz	PLASTIC/EPOXY		6 A	1	BIPOLAR	THROUGH-HOLE	PULSE WIDTH MODULATION	BOOST	FLANGE MOUNT	ZIP5,.15,.2,67TB	Switching Regulator or Controllers	1.7 mm	85 Cel		VOLTAGE-MODE	-40 Cel	TIN		ZIG-ZAG	R-PZFM-T5	Not Qualified	12 V	7.5 V	e3			40 V
MC33166TG	Onsemi	SWITCHING REGULATOR	INDUSTRIAL	5	TO-220	RECTANGULAR	NO	81 kHz	PLASTIC/EPOXY		6 A	1	BIPOLAR	THROUGH-HOLE	PULSE WIDTH MODULATION	BOOST	FLANGE MOUNT	SIP5,.1,67TB	Switching Regulator or Controllers	1.7 mm	85 Cel		VOLTAGE-MODE	-40 Cel	TIN		SINGLE	R-PSFM-T5	Not Qualified	12 V	7.5 V	e3			40 V
MC34166TVG	Onsemi	SWITCHING REGULATOR	COMMERCIAL	5	TO-220	RECTANGULAR	NO	81 kHz	PLASTIC/EPOXY		6 A	1	BIPOLAR	THROUGH-HOLE	PULSE WIDTH MODULATION	BOOST	FLANGE MOUNT	ZIP5,.15,.2,67TB	Switching Regulator or Controllers	1.7 mm	70 Cel		VOLTAGE-MODE	0 Cel	TIN		ZIG-ZAG	R-PZFM-T5	Not Qualified	12 V	7.5 V	e3			40 V
MC34167TG	Onsemi	SWITCHING REGULATOR	COMMERCIAL	5	TO-220	RECTANGULAR	NO	81 kHz	PLASTIC/EPOXY		8 A	1	BIPOLAR	THROUGH-HOLE	PULSE WIDTH MODULATION	BUCK-BOOST	FLANGE MOUNT	SIP5,.1,67TB	Switching Regulator or Controllers	1.7 mm	70 Cel		VOLTAGE-MODE	0 Cel	TIN		SINGLE	R-PSFM-T5	Not Qualified	12 V	7.5 V	e3			40 V
LM2576T-15G	Onsemi	SWITCHING REGULATOR	AUTOMOTIVE	5	TO-220	RECTANGULAR	NO	63 kHz	PLASTIC/EPOXY		7.5 A	1	BIPOLAR	THROUGH-HOLE	PULSE WIDTH MODULATION	BUCK	FLANGE MOUNT	SIP5,.1,67TB	Switching Regulator or Controllers		125 Cel	14.7 V	VOLTAGE-MODE	-40 Cel	TIN	15.3 V	SINGLE	R-PSFM-T5	Not Qualified	30 V	18 V	e3		15 V	40 V
LM2576T-012G	Onsemi	SWITCHING REGULATOR	AUTOMOTIVE	5	TO-220	RECTANGULAR	NO	63 kHz	PLASTIC/EPOXY		7.5 A	1	BIPOLAR	THROUGH-HOLE	PULSE WIDTH MODULATION	BUCK	FLANGE MOUNT	SIP5,.1,67TB	Switching Regulator or Controllers		125 Cel	11.76 V	VOLTAGE-MODE	-40 Cel	TIN	12.24 V	SINGLE	R-PSFM-T5	Not Qualified	25 V	15 V	e3		12 V	40 V
MC33166THG	Onsemi	SWITCHING REGULATOR	INDUSTRIAL	5	TO-220	RECTANGULAR	NO	81 kHz	PLASTIC/EPOXY		6 A	1	BIPOLAR	THROUGH-HOLE	PULSE WIDTH MODULATION	BOOST	FLANGE MOUNT	ZIP5H,.15,.7,67TB	Switching Regulator or Controllers	1.7 mm	85 Cel		VOLTAGE-MODE	-40 Cel	TIN		ZIG-ZAG	R-PZFM-T5	Not Qualified	12 V	7.5 V	e3	260		40 V
MC33167THG	Onsemi	SWITCHING REGULATOR	INDUSTRIAL	5	TO-220	RECTANGULAR	NO	81 kHz	PLASTIC/EPOXY		8 A	1	BIPOLAR	THROUGH-HOLE	PULSE WIDTH MODULATION	BUCK-BOOST	FLANGE MOUNT	ZIP5H,.15,.7,67TB	Switching Regulator or Controllers	1.7 mm	85 Cel		VOLTAGE-MODE	-40 Cel	TIN		ZIG-ZAG	R-PZFM-T5	Not Qualified	12 V	7.5 V	e3			40 V
MC34166TG	Onsemi	SWITCHING REGULATOR	COMMERCIAL	5	TO-220	RECTANGULAR	NO	81 kHz	PLASTIC/EPOXY		6 A	1	BIPOLAR	THROUGH-HOLE	PULSE WIDTH MODULATION	BOOST	FLANGE MOUNT	SIP5,.1,67TB	Switching Regulator or Controllers	1.7 mm	70 Cel		VOLTAGE-MODE	0 Cel	TIN		SINGLE	R-PSFM-T5	Not Qualified	12 V	7.5 V	e3			40 V
MC34166THG	Onsemi	SWITCHING REGULATOR	COMMERCIAL	5	TO-220	RECTANGULAR	NO	81 kHz	PLASTIC/EPOXY		6 A	1	BIPOLAR	THROUGH-HOLE	PULSE WIDTH MODULATION	BOOST	FLANGE MOUNT	ZIP5H,.15,.7,67TB	Switching Regulator or Controllers	1.7 mm	70 Cel		VOLTAGE-MODE	0 Cel	TIN		ZIG-ZAG	R-PZFM-T5	Not Qualified	12 V	7.5 V	e3			40 V
MC34167THG	Onsemi	SWITCHING REGULATOR	COMMERCIAL	5	TO-220	RECTANGULAR	NO	81 kHz	PLASTIC/EPOXY		8 A	1	BIPOLAR	THROUGH-HOLE	PULSE WIDTH MODULATION	BUCK-BOOST	FLANGE MOUNT	ZIP5H,.15,.7,67TB	Switching Regulator or Controllers	1.7 mm	70 Cel		VOLTAGE-MODE	0 Cel	TIN		ZIG-ZAG	R-PZFM-T5	Not Qualified	12 V	7.5 V	e3	260		40 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.