General Description

The MAX6100–MAX6107 are low-cost, low-dropout (LDO), micropower voltage references. These three-ter-minal references are available with output voltage options of 1.25V, 1.8V, 2.048V, 2.5V, 3V, 4.096V, 4.5V, and 5V.They feature a proprietary curvature-correction circuit and laser-trimmed, thin-film resistors that result in a low temperature coefficient of 75ppm/°C (max) and an initial accuracy of ±0.4% (max). These devices are specified over the extended temperature range (-40°C to +85°C).These series-mode voltage references draw only 90µA of supply current and can source 5mA and sink 2mA of load current. Unlike conventional shunt-mode (two-terminal)references that waste supply current and require an external resistor, these devices offer a supply current that is virtually independent of the supply voltage (with only a 4µA/V variation with supply voltage) and do not require an external resistor. Additionally, these internally compen-sated devices do not require an external compensation capacitor and are stable with load capacitance.Eliminating the external compensation capacitor saves valuable board area in space-critical applications. Low-dropout voltage and supply independent, ultra-low sup-ply current make these devices ideal for battery-operat-ed, high-performance, low-voltage systems.

The MAX6100–MAX6107 are available in tiny 3-pin SOT23 packages.


Portable Battery-Powered Systems Notebook Computers PDAs, GPSs, DMMs Cellular Phones Hard-Disk Drives


o Ultra-Small 3-Pin SOT23 Package o Low Cost

o No Output Capacitor Required o Stable with Capacitive Loads

o Load Regulation (2mA Sink): 8mV/mA (max)

Load Regulation (5mA Source): 0.9mV/mA (max)o ±0.4% (max) Initial Accuracy

o Low 75ppm/°C Temperature Coefficient o 125µA (max) Quiescent Supply Current o 50mV Dropout at 1mA Load Current


Low-Cost, Micropower, Low-Dropout,

High-Output-Current, SOT23 Voltage References

________________________________________________________________Maxim Integrated Products 1

19-1613; Rev 3; 3/02

Ordering Information



Typical Operating Circuit

For pricing, delivery, and ordering information,please contact Maxim/Dallas Direct!at 1-888-629-4642, or visit Maxim’s website at

Pin Configuration appears at end of data sheet.


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