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Manufacturer Part #

MIC4576-5.0WT

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

ECAD Model:
Mfr. Name: Microchip
Standard Pkg:
Product Variant Information section
Date Code:
Product Specification Section
Technical Attributes
Attributes Table
Topology: Buck
Input Voltage: 4V to 36V
Output Current-Max: 3A
Switching Frequency-Max: 200kHz
Package Style:  TO-220-5
Mounting Method: Flange Mount
Features & Applications
The MIC4576-5.0WT is a BiCMOS step-down (buck) switch-mode voltage regulator which is available in 3.3 V and 5 V fixed output versions or a 1.23 V to 33 V adjustable output version.

The feedback voltage is guaranteed to ±2% tolerance for adjustable versions, and the output voltage is guaranteed to ±3% for fixed versions, within specified voltages and load conditions. The oscillator frequency is guaranteed to ±10%.

Features:

  • Fixed 200kHz operation
  • 3.3V, 5V, and adjustable output versions
  • Voltage over specified line and load conditions:
  • Fixed version: ±3% max. output voltage
  • Adjustable version: ±2% max. feedback voltage
  • Guaranteed 1A switch current
  • Wide input voltage range: 4V to 24V
  • Wide output voltage range: 1.23V to 33V
  • Requires minimum external components
  • < 200µA typical shutdown mode
  • 75% efficiency (adjustable version > 75% typical)
  • Standard inductors and capacitors are 25% of typical LM2576 values
  • Thermal shutdown
  • Overcurrent protection
  • 100% electrical thermal limit burn-in

Applications:

  • Simple high-efficiency step-down (buck) regulator
  • Efficient preregulator for linear regulators
  • On-card switching regulators
  • Positive to negative converter (inverting buck-boost)
  • Battery charger
  • Negative boost converter
  • Step-down 6V to 3.3V for Intel Pentium® and similar microprocessors
Pricing Section
Global Stock:
0
USA:
0
On Order:
0
Factory Stock:Factory Stock:
9,700
Factory Lead Time:
14 Weeks
Minimum Order:
450
Multiple Of:
50
Total
$787.50
USD
Quantity
Web Price
50
$2.08
150
$1.78
250
$1.75
750
$1.69
1,250+
$1.66
Product Variant Information section