Microchip Technology, LM2575WU Adjustable Switching Regulator 1A 5-Pin D2PAK

  • RS Stock No. 177-1608
  • Mfr. Part No. LM2575WU
  • Manufacturer Microchip
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): US
Product Details

Microchip Technology Switching Regulator

The Microchip Technology TO-263 package type is a 1 channel adjustable switching regulator with 5 pins. These monolithic integrated circuits provide all the active functions for a step down (buck) switching regulator. Adjustable versions have an output voltage range is between 1.23V and 37V.

Features and Benefits

• 100% electrical thermal limit burn in
• 52kHz fixed frequency internal oscillator
• 80% efficiency (adjustable version typically > 80%)
• Adjustable version: ±2% max. Feedback voltage
• Fixed version: ±3% max. Output voltage
• Guaranteed 1A output current
• Low power standby mode IQ typically < 200μA
• Requires only 4 external components
• Thermal shutdown and current limit protection
• Uses readily available standard inductors
• Voltage over specified line and load conditions is
• Wide input voltage range: 4V to 40V


• Efficient pre-regulator for linear regulators
• Isolated flyback converter using minimum number of external components
• Negative boost converter
• On card switching regulators
• Positive to negative convertor (inverting Buck-Boost)
• Simple high-efficiency

Attribute Value
Maximum Output Current 1A
Maximum Output Voltage 37 V
Minimum Output Voltage 1.23 V
Minimum Input Voltage 4 V
Maximum Input Voltage 40 V
Output Type Adjustable
Mounting Type Surface Mount
Number of Outputs 1
Pin Count 5
Package Type TO-263
Switching Regulator Yes
Length 10.66mm
Minimum Operating Temperature -40 °C
Width 9.16mm
Dimensions 10.66 x 9.16 x 4.29mm
Height 4.29mm
Maximum Operating Temperature +85 °C
Maximum Switching Frequency 52 kHz
350 In stock for delivery within 3 working days
Price Each (In a Tube of 50)
SGD 2.73
(exc. GST)
SGD 2.92
(inc. GST)
Per unit
Per Tube*
50 - 50
100 +
*price indicative
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