MAX17250

2.7V to 18V Input, Boost Converter with 0.1uA True Shutdown, Short Circuit Protection and Selectable Input Current Limit

Short Circuit Protection Guarantees Reliable Operation


Please check latest availability status for a specific part variant.

Description

The MAX17250 DC-DC boost converter is a high-efficiency, low quiescent current, synchronous boost (step-up) converter with True Shutdown™, programmable input current limit, and short-circuit protection. The MAX17250 has a wide input voltage range of 2.7V to 18V and generates an output voltage of 3V to 18V. The MAX17250 has a maximum on-time of 800ns and implements three modes of operation. The first mode of operation is a soft-start mode at power-up. The second mode of operation is normal operation and utilizes a fixed on-time/minimum off-time Pulse Frequency Modulation (PFM) architecture that uses only 60µA (typ) quiescent current due to the converter switching only when needed. The last mode is True Shutdown, where the output is completely disconnected from the input, and the battery drain is minimized to 0.1µA (typ) shutdown current. The MAX17250 is available in a compact, 12-bump, 1.72mm x 1.49mm wafer-level package (WLP) or a 14-pin, 3mm x 3mm TDFN package.

MAX17250: Typical Application Circuit MAX17250: Typical Application Circuit Enlarge+

Key Features

  • Input Voltage Range 2.7V to 18V
    • 1 or 2 Cell Li-ion Batteries
  • Output Voltage Range 3V to 18V, > VIN
  • Integrated Power FETs
  • Selectable Input Peak Current Limit (ISET)
    • 3.5A, 2.7A, or 1.85A
  • 93% Efficiency
  • Low Power
    • 0.1µA True Shutdown Current
    • 60µA Quiescent Current
  • Protection
    • True Shutdown Prevents Current Flowing Between Input and Output
    • Soft-Start Inrush Protection
    • Short-Circuit Protection
    • Overtemperature Protection
    • -40°C to +125°C Operation

Applications/Uses

  • 1 or 2 Cell Li-ion Battery Applications
  • Battery Powered Internet of Things (IoT) Device
  • Buzzer/Alarm Driver
  • Digital Cameras
  • Display Supply
Part NumberVIN
(V)
VIN
(V)
VOUT1
(V)
VOUT1
(V)
IOUT1
(A)
Output Adjust. MethodSwitch TypeSynchronous SwitchingICC
(mA)
Shutdown Mode Supply Current
(µA)
Shutdown Mode Supply Current
(µA)
DC-DC OutputsOper. Freq.
(kHz)
Design ToolsPackage/PinsBudgetary
Price
minmaxminmaxtyptypmaxSee Notes
MAX17250 NEW!2.7183183.5ResistorInternalYes0.060.001111000EE-Sim
TDFN/14
WLP/12
$1.80 @1k
See All Step-Up Switching Regulators (97)
Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.


MAX17250: 2.7V to 18V Input, Boost Converter with 0.1uA True Shutdown, Short Circuit Protection and Selectable Input Current Limit

Quality and Environmental Data

Request Reliability Report for: MAX17250 
Lead-Free Package Tin (Sn) Whisker Reports

Tools & Models

  • EE-Sim: Design & Simulate MAX17250
  • CAD Symbols and Footprints

  • MAX17250ANC+
  • MAX17250ANC+T
  • MAX17250ENC+
  • MAX17250ENC+T
  • Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C  

    Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

    Quality Management System >
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    Type ID Title
    Evaluation Board9957MAX17250EVKIT Evaluation Kit for the MAX17250 in WLP