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MIC23603

4MHz PWM 6A Buck Regulator with HyperLight Load®

Status: In Production

Features:

  • Input voltage: 2.7V to 5.5V
  • 6A output current
  • Up to 93% efficiency and 81% at 1mA
  • 24µA typical quiescent current
  • 4MHz PWM operation in continuous mode
  • Ultra-fast transient response
  • Power Good
  • Programmable soft-start
  • Low voltage output ripple
  • 14mVpp ripple in HyperLight Load® mode
  • 5mV output voltage ripple in full PWM mode
  • Fully integrated MOSFET switches
  • 0.01µA shutdown current
  • Thermal shutdown and current limit protection
  • Output voltage as low as 0.65V
  • 20-pin 4mm x 5mm DFN
  • -40°C to +125°C junction temperature range
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Overview
Documents
Development Environment
RoHS Information
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Device Overview

Summary

The MIC23603 is a high-efficiency 4MHz 6A synchronous buck regulator with HyperLight Load® mode. HyperLight Load® provides very high efficiency at light loads and ultrafast transient response which is perfectly suited for supplying processor core voltages. An additional benefit of this proprietary architecture is very low output ripple voltage throughout the entire load range with the use of small output capacitors. The tiny 4mm x 5mm DFN package saves precious board space and requires few external components.

The MIC23603 is designed for use with a very small inductor, down to 0.33 µH, and an output capacitor as small as 47μF that enables a sub-1mm height.

The MIC23603 has a very low quiescent current of 24μA and achieves as high as 81% efficiency at 1mA. At higher loads, the MIC23603 provides a constant switching frequency around 4MHz while achieving peak efficiencies up to 93%.

The MIC23603 is available in 20-pin 4mm x 5mm DFN package with an operating junction temperature range from -40°C to +125°C.

Additional Features
    • Input voltage: 2.7V to 5.5V
    • 6A output current
    • Up to 93% efficiency and 81% at 1mA
    • 24µA typical quiescent current
    • 4MHz PWM operation in continuous mode
    • Ultra-fast transient response
    • Power Good
    • Programmable soft-start
    • Low voltage output ripple
      • 14mVpp ripple in HyperLight Load® mode
      • 5mV output voltage ripple in full PWM mode
    • Fully integrated MOSFET switches
    • 0.01µA shutdown current
    • Thermal shutdown and current limit protection
    • Output voltage as low as 0.65V
    • 20-pin 4mm x 5mm DFN
    • -40°C to +125°C junction temperature range
Parametrics
Name
Value
Regulator Type
Step Down (Buck)
# of Outputs
1
Input Voltage Range Min (V)
2.9
Input Voltage Range Max (V)
5.5
Output Voltage Range Min (V)
0.62
Output Voltage Range Max (V)
3.6
Output Current (mA) max
6000
Quiescent Current (mA) typ
0.024
Switching Frequency (kHz)
4000
Synchronous Rectifier
Yes
Operating Temp Range
-40 to 125
Vfb (V)
0.62
Duty Cycle Max (%)
0.8
SHUTDOWN Current (µA) (Typ)
0.01
Light Load Efficiency Mode
Yes

Documents

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Development Environment

  • Demo & Evaluation Boards
Demo & Evaluation Boards
MIC23603YML Evaluation Board
MIC23603YML Evaluation Board ( MIC23603YML-EV )

The MIC23603 evaluation board allows the customer to evaluate the MIC23603, a fully-integrated 6A, 4MHz switching regulator that features Hyper Light Load® mode, a power good output indicator, and programmable soft-start. The MIC23603 is highly efficient throughout the output current range, drawing just 24μA of quiescent current in operation. The tiny 4mm × 5mm DFN package saves precious board...

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RoHS Information

Part Number
Device Weight (g)
Shipping Weight (grams)
Lead Count
Package Type
Package Width
Solder Composition
JEDEC Indicator
RoHS
China EFUP
MIC23603YML-T5
0.055400
0.834700
20
VDFN
4x5x0.9mm
NiPdAu
e4
MIC23603YML-TR
0.055400
0.834700
20
VDFN
4x5x0.9mm
NiPdAu
e4
To see a complete listing of RoHS data for this device, please Click here
Shipping Weight = Device Weight + Packing Material weight. Please contact sales office if device weight is not available.

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