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AS1339 Datasheet - austriamicrosystems AG

AS1339 650mA RF Step-Down DC-DC

The AS1339 is a high-frequency step-down converter optimized for dynamically powering the power amplifier (PA) in WCDMA or NCDMA handsets. The device uses a 110mΩ typical bypass FET to power the PA directly from the battery during high-power transmission. The IC integrates two 10mA low-noise, low-dr.

AS1339 Features

* ! ! ! ! ! ! Fixed Switching Frequency: 2MHz PA Step-Down Converter Low Dropout Voltage Low Output-Voltage Ripple Dynamic Output Voltage Control (0.8V to 3.75V) 30µs Settling Time for 0.8V to 3.4V Output Voltage Change 650mA Output Drive Capability Two 10mA Low-Noise LDOs Low Shutdown Current Supply

AS1339 Datasheet (3.98 MB)

Preview of AS1339 PDF

Datasheet Details

Part number:

AS1339

Manufacturer:

austriamicrosystems AG

File Size:

3.98 MB

Description:

650ma rf step-down dc-dc.

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AS1339 650mA Step-Down DC-DC austriamicrosystems AG

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