DC-DC Step down Converters

austriamicrosystems Step down Converters portfolio is optimized for highest efficiencies of up to 96%.High switching speeds enable the use of very small external inductors. The product range comprises also buck converters dedicated for RF PA supply for WDCMA and 3G systems. Furthermore the DCDC buck converter portfolio covers high voltages of up to 32V.

Part No.
 Description
 Datasheet
 Price (1k)*
 Buy
 Sample
 analogbench

 Input Voltage
 Output Voltage
 Output Current
 Efficiency
 Iq
 Architecture
 fmax
 Enable/SHDN
 Reset
 Features
 Package
              V V mA % µA kHz /SHDN POK
AS1324 DC-DC Step-Down Converter, 600mA, 1.5MHz Download Datasheet $ 0.59
Design It! 2.7 to 5.5 0.6 to Vin 600 96 35 fixed Frequency, sync. 1500 √ TSOT23-5
AS1332 DC-DC Step-Down Converter 650mA for RF PA supply Download Datasheet $ 1.59
  2.7 to 5.5 1.3 to 3.16 650 96 1000 fixed Frequency, sync. 2000 √ Dynamical Voltage Control WL-CSP-8
AS1333 DC-DC Step-Down Converter 650mA for RF PA supply Download Datasheet $ 1.59
  3.25 to 5.5 3.09 650 96 1000 fixed Frequency, sync. 2000 √ Low Noise, Low Output Voltage Ripple WL-CSP 8-pin
AS1334 DC-DC Step-Down Converter, 650mA Ultra-Low Ripple, Download Datasheet $ 1.59
  Design It! 3.25 to 5.5 1.2 to 3.4 650 96 1000 fixed Frequency, sync. 2000 √ √ Low Noise, Low Output Voltage Ripple TDFN(3x3)-8
AS1335 DC-DC Step-down Converter, Iout=1.5A 1.5MHz Download Datasheet $ 0.77
  2.6 to 5.25 0.6 to 5.25 1500 96 400 fixed Frequency, sync. 1500 √ TDFN(3x3)-10
AS1339 DC-DC Step-Down Converter 650mA , 2x10mA LDOs for RF PA supply Download Datasheet $ 1.49
  2.7 to 5.5 0.8 to 3.75 650 96 4500 fixed Frequency, sync. 2000 √ dynamical Voltage Control for RF-PA supply, WCDMA/NCDMA WL-CSP-16
AS1341 HV DC-DC Step-down Converter 20V, 600mA Download Datasheet $ 1.56
Design It! 4.5 to 20 1.25 to Vin 600 96 12 Hysteretic, async <250 √ √ 100% Duty Cycle TDFN(3x3)-8
AS7620 HV DC-DC Step-Down Converter, 32V, with Dual Power Monitor Download Datasheet $ 1.36
Design It! 3.6 to 32 AS7620-A: 1.2 to Vin
AS7620-B: 3.3		 500 90 30 Hysteretic, async >250 √ √ Early Power Fail Warning
100% Duty Cycle		 QFN(4x4)-12

* This list pricing is BUDGETARY, for comparing similar parts. Prices are per unit on the basis of 1k pieces in U.S. dollars and subject to change, net of applicable taxes. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates.

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