MAX1774

MAX1774, dual, high-efficiency, step-down converter, 30 V, 1.25 MHz, 8 μA, SOP

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Price:: US $1.80~1.80 / piece [Get Latest Price]

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Qty (lots)	Price/lot
1 ~ 1000 :	1.80 / Piece

PartNumber:: MAX1774

Brand:: Maxim Integrated Products - Maxim | Pack: SOP | D/C: 07+

Availability:: Supply Ability: 4/Day Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

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Products Upload time: 2013-06-18

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Part Number:MAX1774
US $1.80 - 1.80
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piece

Product Summary

The MAX1774 is a complete power-supply solution for PDAs and other hand-held devices. The MAX1774 integrates two high-efficiency step-down converters, a boost converter for backup battery regulation, and four voltage detectors in a small 32-pin QFN or 28-pin QSOP package. Applications are (1)Hand-Held Computers; (2)PDAs; (3)Internet Access Tablets; (4)POS Terminals; (5)Subnotebooks.

Parametrics

MAX1774 absolute maximum ratings: (1)IN, SHDNM, MDRV, DBI, LBI, ACI, CVH to GND: -0.3V to +30V; (2)IN to CVH, PDRV: -0.3V to +6V; (3)BIN to CS-: -0.3V to +6V; (4)LXB to GND: -0.3V to (VBIN+ 0.7V); (5)PDRV to GND: (VCVH - 0.3V)to (VIN + 0.3V); (6)All Other Pins to GND: -0.3V to +6V; (7)PGND to GND : -0.3V to +0.3V; (8)Continuous Power Dissipation 28-Pin QSOP (derate 10.8mW/°C above +70°C): 860mW; (9)32-Pin QFN (derate 23.2mW/°C above +70°C): 1860mW; (10)Operating Temperature: -40°C to +85°C; (11)Storage Temperature: -65°C to +150°C; (12)Temperature (soldering, 10s): +300°C.

Features

MAX1774 features: (1)Dual, High-Efficiency, Synchronous-Rectified Step-Down Converters; (2)Thin, Small (1mm High)QFN Package; (3)Step-Up Converter for Backup Battery; (4)Automatic Main Battery Switchover; (5)100% (max)Duty Cycle; (6)Up to 1.25MHz Switching Frequency; (7)Input Voltage Range from +2.7V to +28V; (8)Four Low-Voltage Detectors; (9)170μA Quiescent Current; (10)8μA Shutdown Current; (11)Digital Soft-Start; (12)Independent Shutdown Inputs.