MAX2602:3.6V, 1W RF Power Transistors for 900MHz Applications

The MAX2601/MAX2602 are RF power transistors optimized for use in portable cellular and wireless equipment that operates from three NiCd/NiMH cells or one Li-Ion cell. These transistors deliver 1W of RF power from a 3.6V supply with efficiency of 58% when biased for constant-envelope applications (e.g., FM or FSK). For NADC (IS-54) operation, they deliver 29dBm with -28dBc ACPR from a 4.8V supply. The MAX2601 is a high-performance silicon bipolar RF power transistor. The MAX2602 includes a high-performance silicon bipolar RF power transistor, and a biasing diode that matches the thermal and process characteristics of the power transistor. This diode is used to create a bias network that accurately controls the power transistor’s collector current as the temperature changes. The MAX2601/MAX2602 can be used as the final stage in a discrete or module power amplifier. Silicon bipolar technology eliminates the need for voltage inverters and sequencing circuitry, as required by GaAsFET power amplifiers. Furthermore, a drain switch is not required to turn off the MAX2601/MAX2602. This increases operating time in two ways: it allows lower system end-of-life battery voltage, and it eliminates the wasted power from a drain-switch device. The MAX2601/MAX2602 are available in thermally enhanced, 8-pin SO packages, which are screened to the extended temperature range (-40°C to +85°C).

Key Features
  • Low Voltage: Operates from 1 Li-Ion or 3 NiCd/NiMH Batteries
  • DC-to-Microwave Operating Range
  • 1W Output Power at 900MHz
  • On-Chip Diode for Accurate Biasing (MAX2602)
  • Low-Cost Silicon Bipolar Technology
  • Does Not Require Negative Bias or Supply Switch
  • High Efficiency: 58%
MAX2601, MAX2602: Pin Configuration
MAX2601, MAX2602: Pin Configuration
  • 915MHz ISM Transmitters
  • AMPS Cellular Phones
  • CDPD Modems
  • Digital Cellular Phones
  • Land Mobile Radios
  • Microcellular GSM (Power Class 5)
  • Narrow-Band PCS (NPCS)
  • Two-Way Paging
titleDownload file
MAX2601-MAX2602?Data SheetMAX2601-MAX2602.pdf
Part NumberFreq.
Efficiency (%)Footprint
(mm x mm)
minmaxSee Notes
MAX26010100029584.9 x 6.0SOIC(N)-EP/8$2.39 @1k
MAX2602SOIC(N)-EP/8$2.51 @1k
Design kits & evaluation modules
Ordering Information
Part NumberStatusRecommended ReplacementPackageTempRoHS
MAX2602E/DNo Longer AvailableDICE SALES,;NA pin;DICE;0°C to +70°CSee data sheet
MAX2602ESANo Longer AvailableMAX2602ESA+SOIC(N)-EP,;8 pin;30.9 mm?-40°C to +85°CNo
MAX2602ESA+ActiveSOIC(N)-EP,;8 pin;30.9 mm?-40°C to +85°CLead Free
MAX2602ESA+TActiveSOIC(N)-EP,;8 pin;30.9 mm?-40°C to +85°CLead Free
MAX2602ESA-TNo Longer AvailableMAX2602ESA+TN.SO;8 pin-40°C to +85°CSee data sheet
MAX2601-MAX2602.pdf MAX2602
MAX2601-MAX2602.pdf MAX2602
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