MAX8676ELB+T

ultra－small, high－efficiency, CMOS, step－up, DC－DC switching regulator, 7V, 471mW, QFN

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Price:: US $0.50~0.55 / piece [Get Latest Price]

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PartNumber:: MAX8676ELB+T

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

Availability:: Supply Ability: 10000/Week Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

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Products Upload time: 2012-07-10

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Part Number:MAX8676ELB+T
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Product Summary

The MAX8676ELB+T is an ultra－small, high－efficiency, CMOS, step－up, DC－DC switching regulator for 1－cell battery－powered systems. The MAX8676ELB+T accepts a positive input voltage between 0.8V and VOUT and converts it to a higher, pin－selectable output voltage of 3.3V or 5V. The MAX8676ELB+T adjustable version accepts 0.8V to 6.0V input voltages and generates a higher adjustable output voltage in the 2.7V to 6.0V range. Typical efficiencies are greater than 80%. Typical no－load supply current is 100uA (1μA in shutdown). The MAX8676ELB+T combine ultra－low quiescent supply current and high efficiency to give maximum battery life. Its high switching frequency permits the use of small, low－cost inductors and capacitors. Additionally, internal peak－current limiting protects the IC.

Parametrics

MAX8676ELB+T absolute maximum ratings: (1)Supply Voltage (OUT to GND): －0.3V, +7V; (2)Switch Voltage (LX to GND): －0.3V, +7V; (3)SHDN , LBO to GND : －0.3V, +7V; (4)LBI, REF, 3/–5–, FB to GND : －0.3V, (VOUT + 0.3V); (5)Reference Current (IREF): 2.5mA; (6)Continuous Power Dissipation (TA = +70°C) SO (derate 5.88mW/°C above +70°C): 471mW; (7)Storage Temperature Range : －65°C to +160℃; (8)Lead Temperature (soldering, 10sec): +300℃.

Features

MAX8676ELB+T features: (1)0.8V to 6.0V Input Supply Voltage; (2)0.9V Guaranteed Start－Up Supply Voltage; (3)>80% Efficiency Over Wide Load Range; (4)100uA No－Load Battery Current (VOUT = 3.3V); (5)1uA Shutdown Mode; (6)Up to 250kHz Switching Frequency; (7)±1.5% Reference Tolerance; (8)Low－Battery Detector (LBI/LBO).