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Maxim > Solutions > Cellular Handsets

PA Buck Converters

DATA SHEETS
Display Title / Parts Key Advantages
QV  PDF Dual PWM Step-Down Converter in a 2mm x 2mm Package for WCDMA PA and RF Power
MAX8896

Small (4mm)² Package Provides Power to WCDMA PA Modules and RF Transceiver
QV  PDF Evaluation Kit for the MAX8805W/X/Y/Z
MAX8805WEVKIT

QV  PDF 600mA/650mA PWM Step-Down Converters in 2mm x 2mm WLP for WCDMA PA Power
MAX8805, MAX8805W, MAX8805X, MAX8805Y, MAX8805Z

Small (4mm)² Package Provides Power and Bias to 2 WCDMA PA Modules
QV  PDF 2.5MHz/1.5MHz Step-Down Converters with 60mohm Bypass in TDFN for CDMA PA Power
MAX8581, MAX8582

Overall Smallest Solution 1.5MHz Step-Down DC-DC Converters Deliver 600mA with Up to 94% Efficiency in a Small TDFN Package
QV  PDF PWM Step-Down DC-DC Converters with 75mohm Bypass FET for WCDMA and cdmaOne Handsets
MAX8506, MAX8507, MAX8508

PWM Step-Down DC-DC Converters with 75m Bypass FET for WCDMA and cdmaOne™ Handsets
QV  PDF WCDMA Cellular Phone 600mA Buck Regulators
MAX1820, MAX1820Y, MAX1820Z, MAX1821, MAX1821X




Key Specifications:   Step-Down Switching Regulators
Part Number VIN (min) (V) VIN (max) (V) Min. VOUT (V) Max. VOUT (V) IOUT (A) IOUT (A) Output Adj. Method Operating Current, ICC (max) (mA) Number of DC-DC Outputs Operating Freq. (kHz) Package Smallest Available Package (max w/pins) (mm2)
MAX8805  2.7 5.5 0.4 5.5 0.65 0.65 Dyn. REF In
Resistor
3.5 1 4000 WLP/16  - 
MAX8581  2.7 5.5 0 5 0.6 0.6 Dyn. REF In
Resistor
4 1 2500 TDFN-EP/10 10
MAX8582  2.7 5.5 0 5 0.6 0.6 Dyn. REF In
Resistor
4 1 1500 TDFN-EP/10 10
MAX8506  2.6 5.5 0.4 3.5 0.6 0.6 Dyn. REF In
Resistor
0.25 1 1000 TQFN/16 17
MAX8507  2.6 5.5 0.4 3.5 0.6 0.6 Dyn. REF In
Resistor
0.25 1 1000 TQFN/16 17
MAX8508  2.6 5.5 0.75 3.5 0.6 0.6 Resistor 0.25 1 1000 TQFN/16 17
MAX1820  2.6 5.5 0.4 3.5 0.6 0.6 Dyn. REF In
Preset
Resistor
0.36 1 1000 µMAX/10
UCSP/10
3
MAX1821  2.6 5.5 1.25 5.5 0.6 0.6 Preset
Resistor
0.36 1 1000 µMAX/10 15
See All Step-Down Switching Regulators (252)


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