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MAX859 Datasheet PDF

Maxim Integrated MAX859

The MAX856–MAX859 are high-efficiency, CMOS, stepup, DC-DC switching regulators for small, low input volt age or battery-powered systems. The MAX856/MAX858 accept a positive input voltage between 0.8V and V OUT and convert it to a higher, pin-selectable output voltage of 3.3V or 5V. The MAX857/MAX859 adjustable versions accept 0.8V to 6.0V input voltages and generate higher adjustable output voltages in the 2.7V to 6.0V range.
  • Min Voltage : 800mV
  • Max Voltage : 6V
  • Max Operating Temp : 70°C
  • Min Operating Temp : 0°C
Source: Octopart
Part No. MAX859
Datasheet MAX859 Download
Manufacturer
Maxim Integrated
Description Step-Up DC-DC Converters
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MAX859 datasheet page 1 preview

DESCRIPTION

Typical efficiencies are greater than 85%. Typical quies cent supply current is 25µA (1µA in shutdown). The MAX856–MAX859 combine ultra-low quiescent supply current and high efficiency to give maximum battery life. An internal MOSFET power transistor permits high switching frequencies. This benefit, combined with internally set peak inductor current limits, permits the use of small, low-cost inductors. The MAX856/MAX857 have a 500mA peak inductor current limit. The MAX858/MAX859 have a 125mA peak inductor current limit. MAX856–MAX859 ______________Ordering Information PART MAX856CSA MAX856CUA MAX856C/D MAX856ESA MAX856MJA MAX857CSA MAX857CUA MAX857C/D MAX857ESA MAX857MJA TEMP. RANGE 0°C to +70°C 0°C to +70°C 0°C to +70°C -40°C to +85°C -55°C to +125°C 0°C to +70°C 0°C to +70°C 0°C to +70°C -40°C to +85°C -55°C to +125°C PIN-PACKAGE 8 SO 8 µMAX Dice* 8 SO 8 CERDIP† 8 SO 8 µMAX Dice* 8 SO 8 CERDIP† ________________________Applications 3.3V to 5V Step-Up Conversion Palmtop Com...
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