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75V, 1.5A Step-Down Switching Regulator


Package | PIN: PWP | 16
Temp: Q (-40 to 125)
Carrier: Partial Tube
Qty Price
1-9 $5.27
10-24 $4.74
25-99 $4.43
100-249 $3.97
250-499 $3.71
500-749 $3.23
750-999 $2.79
1000+ $2.74


  • AEC-Q100 Qualified for Automotive Applications:
    • Device Temperature Grade 1: –40°C to +125°C Ambient OperatingTemperature
    • Device HBM ESD Classification Level 2
  • -40°C to 150°C Operating Junction Temperature
  • Integrated 75-V, 330-mΩ N-Channel MOSFET
  • Ultra-Wide Input-Voltage From 6 V to 75 V
  • Adjustable Output Voltage as Low as 1.225 V
  • 1.65% Feedback Reference Accuracy
  • Operating Frequency Adjustable Between 50 kHz and 500 kHz With Single Resistor
  • Master or Slave Frequency Synchronization
  • Adjustable Soft Start
  • Emulated Current-Mode-Control Architecture
  • Wide Bandwidth Error Amplifier
  • Built-In Protection
  • Create a Custom Design Using the LM5575-Q1 With the WEBENCH® Power Designer

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Texas Instruments  LM5575QMH/NOPB

The LM5575-Q1 is an easy-to-use buck regulator that allows design engineers to design andoptimize a robust power supply using a minimum set of components. Operating with an input voltagerange of 6 V to 75 V, the LM5575-Q1 delivers 1.5 A of continuous output current with an integrated330-mΩ N-Channel MOSFET. The regulator utilizes an emulated current mode architecture whichprovides inherent line regulation, tight load-transient response, and ease-of-loop compensationwithout the usual limitation of low-duty cycles associated with current mode regulators. Theoperating frequency is adjustable from 50 kHz to 500 kHz to allow optimization of size andefficiency. To reduce EMI, a frequency synchronization pin allows multiple ICs from the LM(2)557xdevices to self-synchronize or to synchronize to an external clock. The LM5575-Q1 ensuresrobustness with cycle-by-cycle current limit, short-circuit protection, thermal shutdown, andremote shutdown. The device is available in a power enhanced 16-pin HTSSOP package featuring anexposed die attach pad for thermal dissipation. The LM5575-Q1 is supported by the full suite ofWEBENCH® On-Line design tools.