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MIC27600

36V/7A DC-DC Buck Regulator

Status: In Production

Features:

  • Hyper Speed Control™ architecture enables
  • High delta V operation (VIN = 36V and VOUT = 0.8V)
  • Small output capacitance
  • 4.5V to 36V voltage input
  • Adjustable output from 0.8V to 5.5V (VHSD ≤ 28V)
  • Adjustable output from 0.8V to 3.6V (VHSD ≤ 36V)
  • ±1% FB accuracy
  • Any Capacitor™ Stable - Zero-ESR to high-ESR
  • 7A output current capability, up to 95% efficiency
  • 300kHz switching frequency
  • Internal compensation, 6ms Internal soft-start
  • Foldback current-limit and "hiccup" mode short-circuit protection
  • Thermal shutdown
  • Supports safe startup into a pre-biased load
  • -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 MIC27600 is a constant-frequency, synchronous buck regulator featuring a unique digitally modified adaptive on-time control architecture. The MIC27600 operates over an input supply range of 4.5V to 36V and provides a regulated output of up to 7A of output current. The output voltage is adjustable down to 0.8V with a guaranteed accuracy of ±1%, and the device operates at a switching frequency of 300kHz.

Hyper Speed Control™ architecture allows for ultra-fast transient response while reducing the output capacitance and also makes (High VIN)/(Low VOUT) operation possible. This digitally modified adaptive tON ripple control architecture combines the advantages of fixed-frequency operation and fast transient response in a single device.

The MIC27600 offers a full suite of protection features to ensure protection of the IC during fault conditions. These include undervoltage lockout to ensure proper operation under power-sag conditions, internal soft-start to reduce inrush current, foldback current limit, "hiccup" mode short-circuit protection and thermal shutdown.

Additional Features
    • Hyper Speed Control™ architecture enables
      • High delta V operation (VIN = 36V and VOUT = 0.8V)
      • Small output capacitance
    • 4.5V to 36V voltage input
    • Adjustable output from 0.8V to 5.5V (VHSD ≤ 28V)
    • Adjustable output from 0.8V to 3.6V (VHSD ≤ 36V)
    • ±1% FB accuracy
    • Any Capacitor™ Stable - Zero-ESR to high-ESR
    • 7A output current capability, up to 95% efficiency
    • 300kHz switching frequency
    • Internal compensation, 6ms Internal soft-start
    • Foldback current-limit and "hiccup" mode short-circuit protection
    • Thermal shutdown
    • Supports safe startup into a pre-biased load
    • -40°C to +125°C junction temperature range

     

Parametrics
Name
Value
Regulator Type
Step Down (Buck)
# of Outputs
1
Input Voltage Range Min (V)
4.5
Input Voltage Range Max (V)
36
Output Voltage Range Min (V)
0.8
Output Voltage Range Max (V)
5.5
Output Current (mA) max
7000
Quiescent Current (mA) typ
1.4
Switching Frequency (kHz)
300
Synchronous Rectifier
Yes
Operating Temp Range
-40 to 125
Vfb (V)
0.8
Duty Cycle Max (%)
0.87
SHUTDOWN Current (µA) (Typ)
700

Documents

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RoHS Information

Part Number
Device Weight (g)
Shipping Weight (Kg)
Lead Count
Package Type
Package Width
Solder Composition
JEDEC Indicator
RoHS
China EFUP
MIC27600YJL-TR
0.081600
0.227180
28
VQFN
5x6x0.9mm
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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