Specification	LM5575MHX/NOPB

Current - Output	1.5 A
Frequency - Switching [Max]	500 kHz
Frequency - Switching [Min]	50 kHz
Function	Step-Down
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature [Max]	125 ¯C
Operating Temperature [Min]	-40 °C
Output Configuration	Positive
Output Type	Adjustable
Package / Case	16-PowerTSSOP
Package / Case	0.173 in, 4.4 mm Width
Supplier Device Package	16-HTSSOP
Synchronous Rectifier	False
Topology	Buck
Voltage - Input (Max) [Max]	75 V
Voltage - Input (Min) [Min]	6 V
Voltage - Output (Max) [Max]	70 V
Voltage - Output (Min/Fixed)	1.225 V

LM5575-Q1 Series

75V, 1.5A Step-Down Switching Regulator

Part	Frequency - Switching [Max]	Frequency - Switching [Min]	Voltage - Output (Min/Fixed)	Current - Output	Function	Output Configuration	Package / Case	Package / Case	Qualification	Grade	Output Type	Operating Temperature [Max]	Operating Temperature [Min]	Voltage - Input (Max) [Max]	Supplier Device Package	Topology	Voltage - Output (Max) [Max]	Voltage - Input (Min) [Min]	Number of Outputs	Mounting Type	Supplied Contents	Main Purpose	Regulator Topology	Frequency - Switching	Board Type	Utilized IC / Part
Texas Instruments LM5575Q0MHX/NOPB	500 kHz	50 kHz	1.225 V	1.5 A	Step-Down	Positive	16-PowerTSSOP	0.173 in 4.4 mm Width	AEC-Q100	Automotive	Adjustable	150 °C	-40 °C	75 V	16-HTSSOP	Buck	70 V	6 V	1	Surface Mount
Texas Instruments LM5575MHX/NOPB	500 kHz	50 kHz	1.225 V	1.5 A	Step-Down	Positive	16-PowerTSSOP	0.173 in 4.4 mm Width			Adjustable	125 ¯C	-40 °C	75 V	16-HTSSOP	Buck	70 V	6 V	1	Surface Mount
Texas Instruments LM5575QMH/NOPB	500 kHz	50 kHz	1.225 V	1.5 A	Step-Down	Positive	16-PowerTSSOP	0.173 in 4.4 mm Width	AEC-Q100	Automotive	Adjustable	125 ¯C	-40 °C	75 V	16-HTSSOP	Buck	70 V	6 V	1	Surface Mount
Texas Instruments LM5575MH/NOPB	500 kHz	50 kHz	1.225 V	1.5 A	Step-Down	Positive	16-PowerTSSOP	0.173 in 4.4 mm Width			Adjustable	125 ¯C	-40 °C	75 V	16-HTSSOP	Buck	70 V	6 V	1	Surface Mount
Texas Instruments LM5575MH	500 kHz	50 kHz	1.225 V	1.5 A	Step-Down	Positive	16-PowerTSSOP	0.173 in 4.4 mm Width			Adjustable	125 ¯C	-40 °C	75 V	16-HTSSOP	Buck	70 V	6 V	1	Surface Mount
Texas Instruments LM5575BLDT/NOPB																					Board(s)	DC/DC Step Down	Buck	500 kHz	Partially Populated - Main IC Only	LM5575
Texas Instruments LM5575Q0MH/NOPB	500 kHz	50 kHz	1.225 V	1.5 A	Step-Down	Positive	16-PowerTSSOP	0.173 in 4.4 mm Width	AEC-Q100	Automotive	Adjustable	150 °C	-40 °C	75 V	16-HTSSOP	Buck	70 V	6 V	1	Surface Mount

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Cut Tape (CT)	1	$ 4.23
		10	$ 3.80
		25	$ 3.59
		100	$ 3.11
		250	$ 2.95
		500	$ 2.65
		1000	$ 2.23
	Digi-Reel®	1	$ 4.23
		10	$ 3.80
		25	$ 3.59
		100	$ 3.11
		250	$ 2.95
		500	$ 2.65
		1000	$ 2.23
	Tape & Reel (TR)	2500	$ 2.12
Texas Instruments	LARGE T&R	1	$ 2.42
		100	$ 2.12
		250	$ 1.49
		1000	$ 1.20

Description

General part information

LM5575-Q1 Series

The LM5575-Q1 is an easy-to-use buck regulator that allows design engineers to design and optimize a robust power supply using a minimum set of components. Operating with an input voltage range of 6 V to 75 V, the LM5575-Q1 delivers 1.5 A of continuous output current with an integrated 330-mΩ N-channel MOSFET. The regulator utilizes an emulated current mode architecture which provides inherent line regulation, tight load-transient response, and ease-of-loop compensation without the usual limitation of low-duty cycles associated with current mode regulators. The operating frequency is adjustable from 50 kHz to 500 kHz to allow optimization of size and efficiency. The LM5575-Q1 ensures robustness with cycle-by-cycle current limit, short-circuit protection, thermal shutdown, and remote shutdown. The device is available in a power enhanced 16-pin HTSSOP package featuring an exposed die attach pad for thermal dissipation. The LM5575-Q1 is supported by the full suite of WEBENCH®on-Line design tools. For AEC-Q100 grade 1 and grade 0 orderable numbers, see the orderable addendum at the end of this data sheet.

Documents

Technical documentation and resources

LM5575MHX/NOPB

Deep-Dive with AI

LM5575MHX/NOPB

Deep-Dive with AI

Technical Specifications

LM5575-Q1 Series

Pricing

Description

LM5575-Q1 Series

Documents

AN-1246 Stresses in Wide Input DC-DC Converters (Rev. C)

Power Management Guide 2018 (Rev. R)

The importance of accurate switching frequency and current limit when selecting bu

AN-1997 Error Amplifier Limitations in High-Performance Regulator Applications (Rev. A)

Low EMI Layout Made SIMPLE With LM43600/1/2/3 and LM46000/1/2 (Rev. A)

AN-2155 Layout Tips for EMI Reduction in DC/ DC Converters (Rev. A)

Input and Output Capacitor Selection

Overcoming Challenges in Designing Step-Dwn Reg Apps w/40V Input Voltage (Rev. A)

LM5575/LM5575Q SIMPLE SWITCHER® 75V, 1.5A Step-Down Switching Regulator datasheet (Rev. G)

AN-1889 How to Measure the Loop Transfer Function of Power Supplies (Rev. A)

AN-1149 Layout Guidelines for Switching Power Supplies (Rev. C)

AN-1197 Selecting Inductors for Buck Converters (Rev. B)

AN-643 EMI/RFI Board Design (Rev. B)

AN-1569 LM5575 Evaluation Board (Rev. C)

Understanding and Applying Current-Mode Control Theory

AN-1520 A Guide to Board Layout for Best Thermal Resistance for Exposed Packages (Rev. B)

How to increase system reliability and simplify design using DC/DC converters

Quick Start Guide for a 1.5 Amp Buck Regulator Using the LM5575 and LM25575 (Rev. B)

AN-1566 Techniques for Thermal Analysis of Switching Power Supply Designs (Rev. A)

AN-2162 Simple Success With Conducted EMI From DC-DC Converters (Rev. C)

AN-1229 SIMPLE SWITCHER PCB Layout Guidelines (Rev. C)

Semiconductor and IC Package Thermal Metrics (Rev. D)