MIC4576WT

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> Semiconductors - ICs

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Details for Microchip Technology

MIC4576WT

200kHz 3.0A Step-down Regulator
Buy Directly from Microchip Technology (511 in Stock)
$1.8800 per unit
Series Information for MIC4576WT - Microchip Technology

Features

  • feature
    100% electric
  • feature
    3.3V, 5V, and adjustable output versions
  • feature
    75% efficiency (adjustable version > 75% typical)
  • feature
    < 200u00b5A typical shutdown mode
  • feature
    Guaranteed 3A switch current
  • feature
    Overcurrent protection
  • feature
    Requires minimum external components
  • feature
    Standard inductors are 25% of typical LM2576 values
  • feature
    Thermal shutdown
  • feature
    Voltage over specified line and load conditions: Fixed version: u00b13% max. output voltage Adjustable version: u00b12% max. feedback voltage
  • feature
    Wide 1.23V to 33V output voltage range
  • feature
    Wide 4V to 36V input voltage range

Description

DC-DC CONV BUCK 200KHZ TO-220-5
The MIC4576 is a series of easy to use fixed and adjustable BiCMOS step-down (buck) switch-mode voltage regulators. 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. The MIC4576 is available in 3.3V, and 5V fixed output ver- sions or a 1.23V to 33V adjustable output version. Both versions are 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%forfixedversions,withinspecifiedvoltagesandloadcon- ditions. 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 mini- mum number of external components and can operate using a standard series of inductors. Frequency compensation is provided internally. The MIC4576 is available in TO-220 (T) and TO-263 (U) packages for the industrial temperature range.

Specifications

Topology:
Buck (Step Down)
Input Voltage Min:
4V
Input Voltage Max:
36V
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
TO-220
No. of Pins:
5Pins
Output Current:
3A
Output Voltage Min:
1.23V
Output Voltage Max:
33V
Switching Frequency:
200kHz
Operating Temperature Max:
85°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 3 - 168 hours
SVHC:
No SVHC (27-Jun-2018)

Alternate Descriptions

Avnet America

Conv DC-DC Single Step Down 4V 36V 5-Pin TO-220

Avnet America product

Microchip Technology Inc

200kHz 3.0A Step-down Regulator

Avnet Asia

Conv DC-DC Single Step Down 4V 36V 5-Pin TO-220

Avnet Asia product

Schukat Electronic

Switch. Reg 3A 1,23-33V 40Vs TO220-5

Future Electronics

MIC4576 Series 36 V 200 kHz 3 A Surface Mount Simple Buck Regulator - TO-220-5