31 Switching Regulators & Controllers 14

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Part	Manufacturer	Other IC type	Temperature Grade	No. of Terminals	Package Shape	Surface Mount	Maximum Switching Frequency	Package Body Material	Maximum Output Current	No. of Functions	Technology	Terminal Form	Switcher Config	Package Style (Meter)	Package Equivalence Code	Sub-Category	Terminal Pitch	Maximum Operating Temperature	Control Mode	Minimum Operating Temperature	Terminal Position	JESD-30 Code	Moisture Sensitivity Level (MSL)	Qualification	Nominal Input Voltage	Minimum Input Voltage	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Maximum Input Voltage
PT7769N	Texas Instruments	SWITCHING REGULATOR	INDUSTRIAL	31	RECTANGULAR	NO	400 kHz	UNSPECIFIED	40 A	1		THROUGH-HOLE	SINGLE	MICROELECTRONIC ASSEMBLY				85 Cel		-40 Cel	SINGLE	R-XSMA-T31	1	Not Qualified	5 V	4.5 V			5.5 V
PT7761A	Texas Instruments	SWITCHING REGULATOR	INDUSTRIAL	31	RECTANGULAR	NO	400 kHz	UNSPECIFIED	40 A	1	HYBRID	THROUGH-HOLE	SINGLE	MICROELECTRONIC ASSEMBLY	SIP31H,1.5	Switching Regulator or Controllers	2.54 mm	85 Cel	VOLTAGE-MODE	-40 Cel	SINGLE	R-XSMA-T31		Not Qualified	5 V	4.5 V	NOT SPECIFIED	NOT SPECIFIED	5.5 V
PT8121A	Texas Instruments	SWITCHING REGULATOR	INDUSTRIAL	31	RECTANGULAR	NO	400 kHz	UNSPECIFIED	30 A	1	HYBRID	THROUGH-HOLE	SINGLE	MICROELECTRONIC ASSEMBLY	SIP31H,1.5	Switching Regulator or Controllers	2.54 mm	85 Cel	VOLTAGE-MODE	-40 Cel	SINGLE	R-XSMA-T31		Not Qualified	12 V	10.8 V	NOT SPECIFIED	NOT SPECIFIED	13.2 V
PT8121C	Texas Instruments	SWITCHING REGULATOR	INDUSTRIAL	31	RECTANGULAR	YES	400 kHz	UNSPECIFIED	30 A	1	HYBRID	GULL WING	SINGLE	MICROELECTRONIC ASSEMBLY	SMSIP31H,1.5	Switching Regulator or Controllers	2.54 mm	85 Cel	VOLTAGE-MODE	-40 Cel	SINGLE	R-XSMA-G31		Not Qualified	12 V	10.8 V	NOT SPECIFIED	NOT SPECIFIED	13.2 V
PT8122A	Texas Instruments	SWITCHING REGULATOR	INDUSTRIAL	31	RECTANGULAR	NO	400 kHz	UNSPECIFIED	30 A	1	HYBRID	THROUGH-HOLE	SINGLE	MICROELECTRONIC ASSEMBLY	SIP31H,1.5	Switching Regulator or Controllers	2.54 mm	85 Cel	VOLTAGE-MODE	-40 Cel	SINGLE	R-XSMA-T31		Not Qualified	12 V	10.8 V	NOT SPECIFIED	NOT SPECIFIED	13.2 V
PT8123A	Texas Instruments	SWITCHING REGULATOR	INDUSTRIAL	31	RECTANGULAR	NO	400 kHz	UNSPECIFIED	30 A	1	HYBRID	THROUGH-HOLE	SINGLE	MICROELECTRONIC ASSEMBLY	SIP31H,1.5	Switching Regulator or Controllers	2.54 mm	85 Cel	VOLTAGE-MODE	-40 Cel	SINGLE	R-XSMA-T31		Not Qualified	12 V	10.8 V	NOT SPECIFIED	NOT SPECIFIED	13.2 V
PT8123C	Texas Instruments	SWITCHING REGULATOR	INDUSTRIAL	31	RECTANGULAR	YES	400 kHz	UNSPECIFIED	30 A	1	HYBRID	GULL WING	SINGLE	MICROELECTRONIC ASSEMBLY	SMSIP31H,1.5	Switching Regulator or Controllers	2.54 mm	85 Cel	VOLTAGE-MODE	-40 Cel	SINGLE	R-XSMA-G31		Not Qualified	12 V	10.8 V	NOT SPECIFIED	NOT SPECIFIED	13.2 V
PT8125C	Texas Instruments	SWITCHING REGULATOR	INDUSTRIAL	31	RECTANGULAR	YES	400 kHz	UNSPECIFIED	28 A	1	HYBRID	GULL WING	SINGLE	MICROELECTRONIC ASSEMBLY	SMSIP31H,1.5	Switching Regulator or Controllers	2.54 mm	85 Cel	VOLTAGE-MODE	-40 Cel	SINGLE	R-XSMA-G31		Not Qualified	12 V	10.8 V	NOT SPECIFIED	NOT SPECIFIED	13.2 V
PT8125N	Texas Instruments	SWITCHING REGULATOR	INDUSTRIAL	31	RECTANGULAR	NO	400 kHz	UNSPECIFIED	28 A	1	HYBRID	THROUGH-HOLE	SINGLE	MICROELECTRONIC ASSEMBLY	SIP31	Switching Regulator or Controllers		85 Cel	VOLTAGE-MODE	-40 Cel	SINGLE	R-XSMA-T31		Not Qualified	12 V	10.8 V	NOT SPECIFIED	NOT SPECIFIED	13.2 V
PT8139A	Texas Instruments	SWITCHING REGULATOR	INDUSTRIAL	31	RECTANGULAR	NO	400 kHz	METAL	30 A	1	HYBRID	PIN/PEG	SINGLE	MICROELECTRONIC ASSEMBLY	SIP31H,1.5	Switching Regulator or Controllers	2.54 mm	85 Cel	VOLTAGE-MODE	-40 Cel	SINGLE	R-MSMA-P31		Not Qualified	12 V	10.8 V	NOT SPECIFIED	NOT SPECIFIED	13.2 V
PT8139C	Texas Instruments	SWITCHING REGULATOR	INDUSTRIAL	31	RECTANGULAR	YES	400 kHz	METAL	30 A	1	HYBRID	GULL WING	SINGLE	MICROELECTRONIC ASSEMBLY	SMSIP31H,1.5	Switching Regulator or Controllers	2.54 mm	85 Cel	VOLTAGE-MODE	-40 Cel	SINGLE	R-MSMA-G31		Not Qualified	12 V	10.8 V	NOT SPECIFIED	NOT SPECIFIED	13.2 V
PT8101A	Texas Instruments	SWITCHING REGULATOR	INDUSTRIAL	31	RECTANGULAR	NO	400 kHz	METAL	38 A	1	HYBRID	THROUGH-HOLE	SINGLE	MICROELECTRONIC ASSEMBLY	SIP31H,1.5	Switching Regulator or Controllers	2.54 mm	85 Cel	VOLTAGE-MODE	-40 Cel	SINGLE	R-MSMA-T31		Not Qualified	5 V	4.5 V	NOT SPECIFIED	NOT SPECIFIED	5.5 V
PT8102N	Texas Instruments	SWITCHING REGULATOR	INDUSTRIAL	31	RECTANGULAR	NO	400 kHz	METAL	38 A	1	HYBRID	THROUGH-HOLE	SINGLE	MICROELECTRONIC ASSEMBLY	SIP31	Switching Regulator or Controllers		85 Cel	VOLTAGE-MODE	-40 Cel	SINGLE	R-MSMA-T31		Not Qualified	5 V	4.5 V	NOT SPECIFIED	NOT SPECIFIED	5.5 V
PT8103C	Texas Instruments	SWITCHING REGULATOR	INDUSTRIAL	31	RECTANGULAR	YES	400 kHz	METAL	39 A	1	HYBRID	GULL WING	SINGLE	MICROELECTRONIC ASSEMBLY	SMSIP31H,1.5	Switching Regulator or Controllers	2.54 mm	85 Cel	VOLTAGE-MODE	-40 Cel	SINGLE	R-MSMA-G31		Not Qualified	3.3 V	3.1 V	NOT SPECIFIED	NOT SPECIFIED	3.6 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.