Ultra-Low-Power Precision Series MAX6029 Voltage Reference General Description Features The MAX6029 micropower, low-dropout bandgap volt- Ultra-Low 5.25A (max) Supply Current age reference combines ultra-low supply current and 0.15% (max) Initial Accuracy low drift in a miniature 5-pin SOT23 surface-mount pack- 30ppm/C (max) Temperature Coefficient age that uses 70% less board space than comparable devices in an SO package. An initial accuracy of 0.15% 4mA Output Source Current and a 30ppm/C (max) temperature coefficient make the 1mA Output Sink Current MAX6029 suitable for precision applications. This 2.5V to 12.6V Supply Range series-mode voltage reference sources up to 4mA and sinks up to 1mA of load current. A wide 2.5V to 12.6V Low 200mV Dropout supply range, ultra-low 5.25A (max) supply current, Stable with Capacitive Loads Up to 10F and a low 200mV dropout voltage make these devices ideal for battery-operated systems. Additionally, an No External Capacitors Required internal compensation capacitor eliminates the need for Miniature 5-Pin SOT23 Package, 8-Pin SO Package an external compensation capacitor and ensures stabili- ty with load capacitances up to 10F. The MAX6029 provides six output voltages of 2.048V, Ordering Information 2.5V, 3V, 3.3V, 4.096V, and 5V. The MAX6029 is avail- TOP PART PIN-PACKAGE able in a 5-pin SOT23 or an 8-pin SO package and is MARK specified over the extended temperature range (-40C MAX6029EUK21+T 5 SOT23 AEHD to +85C). MAX6029EUK25+T 5 SOT23 AEHF Applications MAX6029ESA25+ 8 SO MAX6029EUK30+T 5 SOT23 AEHH Battery-Powered Systems MAX6029EUK33+T 5 SOT23 AEHN Hand-Held Instruments MAX6029EUK41+T 5 SOT23 AEHJ Precision Power Supplies MAX6029ESA41+ 8 SO A/D and D/A Converters MAX6029EUK50+T 5 SOT23 AEHL Note: All devices are specified over the -40C to +85C oper- ating temperature range. +Denotes a lead(Pb)-free/RoHS-compliant package. Pin Configuration Selector Guide OUTPUT PART PIN-PACKAGE VOLTAGE (V) TOP VIEW MAX6029EUK21 5 SOT23 2.048 MAX6029EUK25 5 SOT23 2.500 N.C. 1 8 N.C. IN 1 5 OUT MAX6029ESA25 8 SO 2.500 IN 2 7 N.C. MAX6029EUK30 5 SOT23 3.000 MAX6029 MAX6029 GND 2 MAX6029EUK33 5 SOT23 3.300 N.C. 3 6 OUT MAX6029EUK41 5 SOT23 4.096 GND 4 5 N.C. MAX6029ESA41 8 SO 4.096 N.C.34 N.C. MAX6029EUK50 5 SOT23 5.000 SO SOT23 19-2892 Rev 3 1/09Ultra-Low-Power Precision Series MAX6029 Voltage Reference Absolute Maximum Ratings IN to GND...............................................................-0.3V to +13V Operating Temperature Range ...........................-40C to +85C OUT to GND ..............-0.3V to the lower of +6V and (V + 0.3V) Storage Temperature Range .............................-65C to +150C IN Output to GND Short-Circuit Duration........................Continuous Lead Temperature (soldering, 10s) .................................+300C Continuous Power Dissipation (T = +70C) A 5-Pin SOT23 (derate 7.1mW/C above +70C)............571mW 8-Pin SO (derate 5.9mW/C above +70C)...............470.6mW Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Electrical CharacteristicsMAX6029 21 (V = 2.048V) OUT (V = 2.5V, I = 0, T = T to T , unless otherwise noted. Typical values are at T = +25C.) (Note 1) IN OUT A MIN MAX A PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS OUTPUT Output Voltage V T = +25C 2.0449 2.0480 2.0511 V OUT A Output Voltage Temperature TCV (Notes 2, 3) 30 ppm/C OUT Coefficient Line Regulation V /V V = 2.5V to 12.6V 27 200 V/V OUT IN IN I = 0 to 4mA 0.22 0.7 V / OUT OUT Load Regulation V/A I OUT I = 0 to -1mA 2.4 5.5 OUT Output Short-Circuit Current I 60 mA SC Long-Term Stability V /time 1000 hours at +25C 150 ppm OUT Thermal Hysteresis (Note 4) 140 ppm DYNAMIC CHARACTERISTICS f = 0.1Hz to 10Hz 30 V P-P Noise Voltage e OUT f = 10Hz to 1kHz 115 V RMS Ripple Rejection V /V V = 2.5V 200mV, f = 120Hz 43 dB OUT IN IN Turn-On Settling Time t To V = 0.1% of final value 450 s R OUT INPUT Supply Voltage Range V 2.5 12.6 V IN Supply Current I 5.25 A IN Change in Supply Current I /V V = 2.5V to 12.6V 1.5 A/V IN IN IN www.maximintegrated.com Maxim Integrated 2