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LM5574Q0MT/NOPB +BOM

Synchronous step-down converter for to V voltage regulation

LM5574Q0MT/NOPB Information

General Description

The LM5574-Q1 by Texas Instruments is a straightforward and efficient buck regulator designed to simplify the power supply creation process. With an input voltage range of 6-75V and a continuous output current of 0.5A, this regulator offers ease of use with an integrated 750mΩ N-Channel MOSFET. Its Emulated Current Mode architecture ensures excellent line regulation, tight load transient response, and simple loop compensation without the limitations of low-duty cycles. The adjustable operating frequency of 50kHz to 500kHz allows for optimization of size and efficiency, while the frequency synchronization pin reduces EMI and enables self-synchronization with other LM(2)557x family ICs or an external clock. The LM5574-Q1 also provides robustness with features like cycle-by-cycle current limit, short-circuit protection, thermal shutdown, and remote shutdown. Available in a TSSOP-16 package and supported by WEBENCH On-Line design tools, this regulator is a valuable tool for design engineers looking to streamline their power supply design process

Texas Instruments, Inc Inventory

Key Features

  • Compact Footprint Packages
  • Easy Integration with Microcontrollers
  • Low EMI and RFI Noise Generation
  • Diverse Operating Environments
Texas Instruments, Inc Original Stock
Texas Instruments, Inc Inventory

Specifications

Vin (min) (V) 6 Vin (max) (V) 75
Vout (min) (V) 1.23 Vout (max) (V) 70
Iout (max) (A) 0.5 Iq (typ) (mA) 1
Switching frequency (min) (kHz) 50 Switching frequency (max) (kHz) 500
Features Enable, Frequency synchronization, Over Current Protection, Soft Start Adjustable, Tracking Operating temperature range (°C) -40 to 125
Rating Automotive Regulated outputs (#) 1
Control mode current mode Duty cycle (max) (%) 95
Type Converter feature-type Synchronous Step Down
feature-isolation feature-process-technology
feature-output-type Adjustable feature-switching-frequency-khz 50 to 500
feature-number-of-outputs 1 feature-output-voltage-v 1.225(Min)
feature-maximum-output-current-a 0.5 feature-maximum-output-power-w
feature-minimum-input-voltage-v 6 feature-maximum-input-voltage-v 75
feature-typical-switch-current-a feature-efficiency-
feature-packaging Tube feature-rad-hard
feature-pin-count 16 feature-cecc-qualified No
feature-esd-protection feature-escc-qualified
feature-military No feature-aec-qualified Yes
feature-aec-qualified-number AEC-Q100 feature-eccn-code EAR99
feature-svhc No feature-svhc-exceeds-threshold No
Package/Case 16-TSSOP

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