MAX1774EEI+ by Analog Devices
Dual, High-Efficiency, Step-Down Converter with Backup Battery Switchover
| Status: | Active |
|---|---|
| Series: | MAX1774 |
| RoHS: | Unknown |
Features
| Dual, High-Efficiency, Synchronous-Rectified Step-Down Converters |
| Thin, Small (1mm High) QFN Package |
| Step-Up Converter for Backup Battery |
| Main Power Adjustable from +1.25V to +5.5V Over 2A Load Current Up to 95% Efficiency |
| Adjustable from +1.25V to +5.5V |
| Over 2A Load Current |
| Up to 95% Efficiency |
| Core Power Adjustable from 1V to 5V Internal Switches Up to 1.5A Load Current Up to 91% Efficiency |
| Adjustable from 1V to 5V |
| Internal Switches |
| Up to 1.5A Load Current |
| Up to 91% Efficiency |
| Automatic Main Battery Switchover |
| 100% (max) Duty Cycle |
| Up to 1.25MHz Switching Frequency |
| Input Voltage Range from +2.7V to +28V |
| Four Low-Voltage Detectors |
| 170µA Quiescent Current |
| 8µA Shutdown Current |
| Digital Soft-Start |
| Independent Shutdown Inputs |
Specifications
| VIN (V) (min) | 2.7 |
|---|---|
| VIN (V) (max) | 28 |
| # Step-Down Outputs | 2 |
| # Step-Up Outputs | 1 |
| Battery Charger Features | Battery Backup |
| VOUT (V) (min) | 1 |
| VOUT (V) (max) | 5.5 |
| Package/Pins | QSOP/28 |
| BudgetaryPrice (See Notes) | 4.48 |
MAX1774EEI+ Semiconductors - ICs by Analog Devices
DC/DC CONV BUCK 1.25MHZ QSOP-28
| Status: | Unknown |
|---|---|
| Series: | - |
| RoHS: | Unknown |
Specifications
| Input Voltage Min | 2.7V |
|---|---|
| Input Voltage Max | 28V |
| No. of Outputs | 2 Output, 2Outputs |
| DC / DC Converter IC Case | QSOP |
| No. of Pins | 28Pins |
| Output Current - Output 1 | 2A |
| Output Current - Output 2 | 1.5A |
| Output Voltage - Output 1 | 5.5V |
| Output Voltage - Output 2 | 5V |
| Regulator Output Type | Adjustable |
| Switching Frequency | 1.25MHz |
| Topology | Buck (Step Down) |
| Operating Temperature Max | 85°C |
| Product Range | - |
| RoHS Phthalates Compliant | To Be Advised |
| MSL | MSL 1 - Unlimited |
| SVHC | No SVHC (15-Jan-2018) |
Alternative Descriptions
| Dual, High-Efficiency, Step-Do | Analog Devices |
| Dc/Dc Conv, Buck, 1.25Mhz, Qsop-28 | Newark Electronics |
| DC/DC CONV, BUCK, 1.25MHZ, QSOP-28 | element14 |
Frequently Asked Questions
Where can I find additional details, specifications and documents for a MAX1774EEI+ ?
Additional datasheets, footprints and schematics for MAX1774EEI+ are listed on our Part Details page. You can also find images and similar parts to MAX1774EEI+ on this page.
What pricing and inventory information can I view?
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Is the MAX1774EEI+ RoHS compliant?
This part has not been flagged as RoHS Compliant.
Which authorised distributors for MAX1774EEI+ have stock available?
Authorised distributors including Analog Devices, Newark Electronics, element14 and Farnell have stock available or on a lead time for MAX1774EEI+ .
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