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MIC5167

1MHz, 6A Integrated Synchronous Buck DDR Memory Terminator

Status: In Production

Features:

  • Input voltage range: 2.6V to 5.5V
  • VTT voltage adjustable down to 0.35V
  • Output load current up to ±6A
  • Power Good fault flag
  • Efficiency > 94% across a broad load range
  • Ultra fast transient response
  • Easy RC compensation +C36
  • 100% maximum duty cycle
  • Fully integrated MOSFET switches
  • Micropower shutdown
  • Thermal shutdown and current-limit protection
  • -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 MIC5167 is a high-efficiency, 6A, integrated switch, synchronous buck (step-down) regulator designed for use as a double data rata (DDR) or quad data rate (QDR) terminator. The MIC5167 is optimized for highest efficiency, achieving more than 94% efficiency while still switching at 1MHz over a broad range. The device works with a small 0.4µH inductor and 300µF output capacitor. The ultra-high speed control loop keeps the output voltage within regulation even under extreme transient load swings commonly found in FPGAs and low-voltage ASICs. The output voltage is controlled externally by input to the VDDQ pin. The output voltage is one-half the voltage applied to the VDDQ pin. The output voltage can be adjusted down to 0.6V to address low voltage power needs. The MIC5167 will source 6A and sink up to 6A. A window comparator monitors the output voltage and controls the power good output. If the output voltage is outside ±15% limit of VREF the power good is driven low.

Additional Features
    • Input voltage range: 2.6V to 5.5V
    • VTT voltage adjustable down to 0.35V
    • Output load current up to ±6A
    • Power Good fault flag
    • Efficiency > 94% across a broad load range
    • Ultra fast transient response
    • Easy RC compensation +C36
    • 100% maximum duty cycle
    • Fully integrated MOSFET switches
    • Micropower shutdown
    • Thermal shutdown and current-limit protection
    • -40°C to +125°C junction temperature range    
Parametrics
Name
Value
Switching
Yes
MAX IOUT (A)
±6
VIN Min (V)
2.6
VIN Max (V)
5.5
VOUT (V)
Adj down to 0.35V
PWR Good
Yes
VTT Accuracy (mV)
±12
Freq (MHz)
1
Ceramic Cout "µCaP"
Yes
llim Typ (A)
9
llim Max (A)
14
VEN (V)
1.34
Θja (C/W)
40

Documents

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Data Sheets

Development Environment

  • Demo & Evaluation Boards
Demo & Evaluation Boards
MIC5167YML Evaluation Board
MIC5167YML Evaluation Board ( MIC5167YML-EV )
(Not Recommended for new design)

The MIC5167 high-efficiency, 6A, integrated switch, synchronous buck (step-down) regulator for double data rate (DDR) or quad data rate (QDR) termination achieves more than 94% efficiency. The ultra-high speed control loop keeps the output voltage in regulation under the extreme transient load swings commonly found in high speed memories. The output voltage VTT regulates to one-half the voltage...

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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
MIC5167YML-TR
0.042200
0.204000
24
VQFN
4x4x0.9mm
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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