- RS Stock No.:
- 146-8935
- Mfr. Part No.:
- LM2575-3.3WU
- Brand:
- Microchip
Discontinued product
- RS Stock No.:
- 146-8935
- Mfr. Part No.:
- LM2575-3.3WU
- Brand:
- Microchip
Technical Reference
Legislation and Compliance
Product Details
The LM2575 series of monolithic integrated circuits provide all the active functions for a step-down (buck) switching regulator. Fixed versions are available with a 3.3V, 5V, 12V, or 15V fixed output. Adjustable versions have an output voltage range from 1.23V to 37V. Both versions are capable of driving a 1A load with excellent line and load regulation. These regulators are simple to use because they require a minimum number of external components and include internal frequency compensation and a fixed-frequency oscillator.
Voltage over specified line and load conditions
Guaranteed 1A output current
Wide input voltage range: 4V to 40V
Wide output voltage range: 1.23V to 37V
Requires only 4 external components
52kHz fixed frequency internal oscillator
Low power standby mode IQ typically < 200μA
Guaranteed 1A output current
Wide input voltage range: 4V to 40V
Wide output voltage range: 1.23V to 37V
Requires only 4 external components
52kHz fixed frequency internal oscillator
Low power standby mode IQ typically < 200μA
Specifications
Attribute | Value |
---|---|
Maximum Output Current | 1A |
Maximum Output Voltage | 3.46 V |
Regulator Function | Buck Regulator |
Minimum Output Voltage | 3.16 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 |
Line Regulation | ±2 % |
Load Regulation | ±2 % |
Minimum Operating Temperature | -40 °C |
Dimensions | 9.16 x 10.66 x 4.59mm |
Maximum Operating Temperature | +85 °C |
Height | 4.59mm |
Width | 10.66mm |
Efficiency | 75% |
Length | 9.16mm |