Microchip Technology Inc
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MCP16252

Low Quiescent Current Synchronous Boost Regulator

Status: In Production

Features:

  • Up to 96% Typical Efficiency
  • IOUT > 100 mA @ 1.2V VIN, 3.3V VOUT
  • IOUT > 250 mA @ 2.4V VIN, 3.3V VOUT
  • IOUT > 225 mA @ 3.3V VIN, 5.0V VOUT
  • Low Start-up Voltage: 0.82V
  • Operating Input Voltage: down to 0.35V
  • Adjustable Output Voltage Range: 1.8V to 5.5V
  • Maximum Input Voltage < VOUT < 5.5V
  • Automatic PFM/PWM Operation
  • PWM Operation at 500 kHz
  • Low Device Quiescent Current: <4 µA typical
  • Shutdown Current: 0.6 µA typical
  • Internal Synchronous Rectifier
  • Internal Compensation
  • Inrush Current Limiting and Internal Soft-Start
  • Input to Output Bypass Shutdown
  • True Load Disconnect Shutdown Option (MCP16251)
  • Anti-Ringing Control
  • Over-temperature Protection
  • SOT23-6 or 2x3 8-Lead TDFN packages
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Overview
Documents
Development Environment
RoHS Information
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Device Overview

Summary

The MCP16251/2 is a compact, high-efficiency, fixed frequency, synchronous step-up DC-DC converter. This family of devices provides an easy-to-use power supply solution for applications powered by either one-cell, two-cell or three-cell alkaline, NiCd, NiMH and one-cell Li-Ion or Li-Polymer batteries.

Additional Features
    • Up to 96% Typical Efficiency
    • 650 mA Typical Peak Input Current Limit:
      • IOUT > 100 mA @ 1.2V VIN, 3.3V VOUT
      • IOUT > 250 mA @ 2.4V VIN, 3.3V VOUT
      • IOUT > 225 mA @ 3.3V VIN, 5.0V VOUT
    • Low Start-up Voltage: 0.82V
    • Operating Input Voltage: down to 0.35V
    • Adjustable Output Voltage Range: 1.8V to 5.5V
    • Maximum Input Voltage < VOUT < 5.5V
    • Automatic PFM/PWM Operation
    • PWM Operation at 500 kHz
    • Low Device Quiescent Current: <4 µA typical
    • Shutdown Current: 0.6 µA typical
    • Internal Synchronous Rectifier
    • Internal Compensation
    • Inrush Current Limiting and Internal Soft-Start
    • Input to Output Bypass Shutdown
    • True Load Disconnect Shutdown Option (MCP16251)
    • Anti-Ringing Control
    • Over-temperature Protection
    • SOT23-6 or 2x3 8-Lead TDFN packages
Parametrics
Name
Value
Regulator Type
Step Up (Boost)
Input Voltage Range Min (V)
0.82
Input Voltage Range Max (V)
5.5
Output Voltage Range Min (V)
1.8
Output Voltage Range Max (V)
5.5
Output Current (mA) max
250
Quiescent Current (mA) typ
0.004
Switching Frequency (kHz)
500
Synchronous Rectifier
Yes
Operating Temp Range
-40 to 85
Vfb (V)
1.23
Duty Cycle Max (%)
91
SHUTDOWN Current (µA) (Typ)
0.6
Light Load Efficiency Mode
Yes
Switch current (A) typ
0.65

Documents

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Data Sheets

09/29/2016
846KB

Software Library

Development Environment

  • Software Libraries
Software Libraries
Analog Simulation - MCP16252

The MCP16251/2 is a compact, high-efficiency, fixed frequency, synchronous step-up DC-DC converter. This family of devices provides an easy-to-use power supply solution for applications powered by...

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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
MCP16252T-I/CH
0.017000
0.046667
6
SOT-23
-
Matte Tin
e3
MCP16252T-I/MNY
0.014300
0.248485
8
TDFN
2x3x0.8mm
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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