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Details for MIC4575WU by Microchip Technology
MIC4575
MIC4575WU
Buy Directly from Microchip Technology Inc (50 in stock) $3.2100
200kHz 1.0A Step-down Regulator
MIC4575WU image

MIC4575WU by Microchip Technology

200kHz 1.0A Step-down Regulator
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 20V
Requires minimum external components
< 200µA typical shutdown mode
75% efficiency (adjustable version > 75% typical)
Standard inductors and capacitors are 25% of typical LM2575 values.
Thermal shutdown
Overcurrent protection
100% electrical thermal limit burn-in
Description

The MIC4575 is a series of easy to use fixed and adjustable BiCMOS step-down (buck) switch-mode voltage regulators. The 200kHz MIC4575 duplicates the pinout and function of the 52kHz LM2575. The higher switching frequency may allow up to a 2:1 reduction in output filter inductor size.

The MIC4575 is available in 3.3V, and 5V fixed output versions or a 1.23V to 20V adjustable output version. Both versions are capable of driving a 1A 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 versions, 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.

The MIC4575 is available in TO-220 (T) and TO-263 (U) packages for the industrial temperature range.

Specifications
Regulator Type:
Step Down (Buck)
Switching Frequency (kHz):
200
Input Voltage Range Min:
4
Input Voltage Range Max:
24
Output Current:
1000
Temp Range Min:
-40
Temp Range Max:
85
Vout Min (V):
1.23
Quiescent Current (mA) typ:
5
SHUTDOWN Current (µA) (Typ):
50
# of Outputs:
1
Vfb (V):
1.23
Duty Cycle Max (%):
0.95
Temperature Range:
-40C to +85C
Alternate Descriptions
200kHz 1.0A Step-down Regulator RS Components
200KHZ 1.0A STEP-DOWN REGULATOR 5 DDPAK TUBE Newark Electronics
200KHZ 1.0A STEP-DOWN REGULATOR Avnet America
200kHz 1.0A Step-down Regulator Microchip Technology Inc
MIC4575 Series 24 V 200 kHz 1 A Surface Mount Simple Buck Regulator - TO-263-5 Future Electronics
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Details for MIC4575WU by Microchip Technology
MIC4575
MIC4575WU
Buy Directly from Microchip Technology Inc (50 in stock) $3.2100
DC-DC CONV BUCK 200KHZ TO-263-5
MIC4575WU image

MIC4575WU by Microchip Technology

DC-DC CONV BUCK 200KHZ TO-263-5
Features
100% electric
3.3V, 5V, and adjustable output versions
75% efficiency (adjustable version > 75% typical)
< 200u00b5A typical shutdown mode
Adjustable version: u00b12% max. feedback voltage
Fixed version: u00b13% max. output voltage
Guaranteed 1A switch current
Overcurrent protection
Requires minimum external components
Standard inductors and capacitors are25% of typical LM2575 values
Thermal shutdown
Voltage over specified line and load conditions:
Wide 1.23V to 20V output voltage range
Wide 4V to 24V input voltage range
Part Information
MIC4575WU image
RoHS Compliant
Description
The MIC4575 is a series of easy to use fixed and adjustable BiCMOS step-down (buck) switch-mode voltage regulators. The 200kHz MIC4575 duplicates the pinout and function of the 52kHz LM2575. The higher switching frequency may allow up to a 2:1 reduction in output filter inductor size. The MIC4575 is available in 3.3V, and 5V fixed output versions or a 1.23V to 20V adjustable output version. Both versions are capable of driving a 1A 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 versions, 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 comp- ensation is provided internally. The MIC4575 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:
24V
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
TO-263
No. of Pins:
5Pins
Output Current:
1A
Output Voltage Min:
1.23V
Output Voltage Max:
20V
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
200kHz 1.0A Step-down Regulator RS Components
200KHZ 1.0A STEP-DOWN REGULATOR 5 DDPAK TUBE Newark Electronics
200KHZ 1.0A STEP-DOWN REGULATOR Avnet America
200kHz 1.0A Step-down Regulator Microchip Technology Inc
MIC4575 Series 24 V 200 kHz 1 A Surface Mount Simple Buck Regulator - TO-263-5 Future Electronics