Integrated Circuits (ICs)

MAX859CSA+

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3.3V/5V OR ADJUSTABLE OUTPUT, STEP-UP DC-DC CONVERTERS

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DocumentsPackage Drawing - Small-Outline IC, Narrow (0.15in)MAX856-MAX859: 3.3V/5V or Adjustable Output, Step-Up DC-DC Converters Data Sheet (Rev.4)

Integrated Circuits (ICs)

MAX859CSA+

Active

Analog Devices Inc./Maxim Integrated

3.3V/5V OR ADJUSTABLE OUTPUT, STEP-UP DC-DC CONVERTERS

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DocumentsPackage Drawing - Small-Outline IC, Narrow (0.15in)MAX856-MAX859: 3.3V/5V or Adjustable Output, Step-Up DC-DC Converters Data Sheet (Rev.4)

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	MAX859CSA+

Current - Output	125 mA
Frequency - Switching	500 kHz
Function	Step-Up
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature [Max]	70 °C
Operating Temperature [Min]	0 °C
Output Configuration	Positive
Output Type	Adjustable
Package / Case	0.154 in
Package / Case	8-SOIC
Package / Case	3.9 mm
Supplier Device Package	8-SOIC
Synchronous Rectifier	False
Topology	Boost
Voltage - Input (Max) [Max]	6 V
Voltage - Input (Min) [Min]	0.8 V
Voltage - Output (Min/Fixed)	2.7 V

MAX859 Series

3.3V/5V or Adjustable Output, Step-Up DC-DC Converters

Part	Applications	Package / Case	Voltage - Output [Max]	Voltage - Output [Min]	Mounting Type	Operating Temperature [Max]	Operating Temperature [Min]	Number of Outputs	Supplier Device Package	Voltage - Input [Min]	Voltage - Input [Max]	Package / Case	Frequency - Switching	Current - Output	Function	Topology	Voltage - Output (Min/Fixed)	Output Configuration	Package / Case	Package / Case	Voltage - Input (Max) [Max]	Voltage - Input (Min) [Min]	Output Type
Analog Devices Inc./Maxim Integrated MAX859CPA	Battery Powered Devices Converter	8-DIP (0.300" 7.62mm)	6 VDC	2.7 V	Through Hole	70 °C	0 °C	1	8-PDIP	0.8 V	6 V
Analog Devices Inc./Maxim Integrated MAX859CUA	Battery Powered Devices Converter	8-MSOP 8-TSSOP	6 VDC	2.7 V	Surface Mount	70 °C	0 °C	1	8-µMAX	0.8 V	6 V	0.118 in 3 mm Width
Analog Devices Inc./Maxim Integrated MAX859ESA+		8-SOIC			Surface Mount	85 C	-40 ¯C	1	8-SOIC				500 kHz	125 mA	Step-Up	Boost	2.7 V	Positive	0.154 in	3.9 mm	6 V	0.8 V	Adjustable
Analog Devices Inc./Maxim Integrated MAX859CUA+		8-MSOP 8-TSSOP			Surface Mount	70 °C	0 °C	1	8-uMAX/uSOP			0.118 in 3 mm Width	500 kHz	125 mA	Step-Up	Boost	2.7 V	Positive			6 V	0.8 V	Adjustable
Analog Devices Inc./Maxim Integrated MAX859ESA+T		8-SOIC			Surface Mount			1	8-SOIC				500 kHz	125 mA	Step-Up	Boost	2.7 V	Positive	0.154 in	3.9 mm	6 V	0.8 V	Adjustable
Analog Devices Inc./Maxim Integrated MAX859ESA-T	Battery Powered Devices Converter	8-SOIC	6 VDC	2.7 V	Surface Mount	85 °C	-40 C	1	8-SOIC	0.8 V	6 V								0.154 in	3.9 mm
Analog Devices Inc./Maxim Integrated MAX859CSA-T	Battery Powered Devices Converter	8-SOIC	6 VDC	2.7 V	Surface Mount	70 °C	0 °C	1	8-SOIC	0.8 V	6 V								0.154 in	3.9 mm
Analog Devices Inc./Maxim Integrated MAX859CSA+		8-SOIC			Surface Mount	70 °C	0 °C	1	8-SOIC				500 kHz	125 mA	Step-Up	Boost	2.7 V	Positive	0.154 in	3.9 mm	6 V	0.8 V	Adjustable
Analog Devices Inc./Maxim Integrated MAX859ESA	Battery Powered Devices Converter	8-SOIC	6 VDC	2.7 V	Surface Mount	85 °C	-40 C	1	8-SOIC	0.8 V	6 V								0.154 in	3.9 mm
Analog Devices Inc./Maxim Integrated MAX859CSA+T		8-SOIC			Surface Mount	70 °C	0 °C	1	8-SOIC				500 kHz	125 mA	Step-Up	Boost	2.7 V	Positive	0.154 in	3.9 mm	6 V	0.8 V	Adjustable

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	N/A	100	$ 7.63
		5100	$ 7.63
	Tube	100	$ 4.84

Description

General part information

MAX859 Series

The MAX856-MAX859 are high-efficiency, CMOS, step-up, DC-DC switching regulators for small, low input voltage or battery-powered systems. The MAX856/MAX858 accept a positive input voltage between 0.8V and VOUTand 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. Typical efficiencies are greater than 85%. Typical quiescent 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.Applications2-Cell and 3-Cell Battery-Operated Equipment3.3V to 5V Step-Up ConversionGlucose MetersMedical InstrumentationPalmtop ComputersPersonal Data Communicators/ComputersPortable Data-Collection Equipment

Documents

Technical documentation and resources

Package Drawing - Small-Outline IC, Narrow (0.15in)

Package Drawing

MAX856-MAX859: 3.3V/5V or Adjustable Output, Step-Up DC-DC Converters Data Sheet (Rev.4)

Data Sheet