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

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£4.54

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£5.45

(inc. VAT)

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RS Stock No.:
177-1992
Mfr. Part No.:
LM2575WU
Brand:
Microchip
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Brand

Microchip

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

Maximum Switching Frequency

52 kHz

Pin Count

5

Package Type

TO-263

Switching Regulator

Yes

Maximum Operating Temperature

+85 °C

Length

10.66mm

Height

4.29mm

Minimum Operating Temperature

-40 °C

Width

9.16mm

Dimensions

10.66 x 9.16 x 4.29mm

COO (Country of Origin):
US

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

Applications


• 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

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