| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 5 Pin |
| Case/Package | TO-263-6 |
| Number of Outputs | 1 Output |
| Output Voltage | 1.23.33 V |
| Output Current | 3 A |
| Number of Positions | 5 Position |
| Switching Frequency | 220 kHz |
| Topology | Buck |
| Input Voltage (Max) | 36 V |
| Input Voltage (Min) | 4 V |
| Output Voltage (Max) | 33 V |
| Output Voltage (Min) | 1.23 V |
| Operating Temperature (Max) | 85 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Input Voltage | 4.36 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Unknown |
| Packaging | Cut Tape (CT) |
| Operating Temperature | -40℃ ~ 85℃ |
The MIC4576WU is an easy-to-use fixed and adjustable BiCMOS step-down (buck) switch-mode Voltage Regulator for use with battery charger. The 200kHz MIC4576 duplicates the pinout and function of the 52kHz LM2576. The higher switching frequency may allow up to a 2:1 reduction in output filter inductor size. It is capable of driving a 3A load with excellent line and load regulation. The feedback voltage is guaranteed to ±2% tolerance for adjustable versions and the output voltage is guaranteed to ±3% for fixed version, within specified voltages and load conditions. The oscillator frequency is guaranteed to ±10%. In shutdown mode, the regulator draws less than 200µA standby current. The regulator performs cycle-by-cycle current limiting and thermal shutdown for protection under fault conditions. This series of simple switch-mode regulators requires a minimum number of external components and can operate using a standard series of inductors. Frequency compensation is provided internally.
● Voltage over specified line and load conditions
● Requires minimum external components
● Standard inductors are 25% of typical LM2576 values
● Thermal shutdown
● Overcurrent protection
● 100% electrical thermal limit burn-in
● 75% Efficiency (adjustable version >75% typical)
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