MAX6037 19-3192 Rev 1 12/07 Low-Power, Fixed and Adjustable Reference with Shutdown in SOT23 General Description Features The MAX6037 family of low-dropout, micropower volt- Adjustable V : 1.184V to 5V OUT age references offer fixed and adjustable output volt- Fixed Outputs: 1.25V, 2.048V, 2.5V, 3.0V, 3.3V, age options ranging from 1.184V to 5V. Connect an and 4.096V external resistive-divider on the MAX6037 ADJ to adjust the output voltage from 1.184V to 5V. The other Shutdown Current < 500nA (max) devices in the MAX6037 family feature fixed output volt- 25ppm/C (max) Temperature Coefficient (A Grade) ages of 1.25V, 2.048V, 2.5V, 3.0V, 3.3V, and 4.096V. 0.2% (max) Initial Accuracy (A Grade) The MAX6037 offers shutdown functionality with an active-low shutdown (500nA, max). Low 100mV (max) Dropout Voltage at 1mA Load Current These series-mode voltage references operate from a 2.5V to 5.5V supply and consume 275A (max) quies- 2.5V to 5.5V Input Voltage Range cent current. The output is stable driving loads from 5mA Sink and Source Current Capability 0.02F to 1F and can source and sink 5mA of load Available in 5-Pin SOT23 Package current. The MAX6037 offers a low temperature coeffi- cient of 25ppm/C and initial accuracy of 0.2% (max). Operates Over the Automotive Temperature The low dropout voltage (100mV, max at 1mA) and Range: -40C to +125C supply-independent, low supply current make the MAX6037 ideal for battery-powered applications. Typical Operating Circuit The MAX6037 is available in the miniature 5-pin SOT23 package and is specified over the -40C to +125C 2.5V TO 5.5V INPUT automotive temperature range. REFERENCE IN OUT OUTPUT MAX6037 Applications * SHDN 0.02F Medical Equipment Portable Equipment TO 1F GND *OPTIONAL Wireless LAN Precision Regulators Pin Configuration appears at end of data sheet. Ordering Information/Selector Guide OUTPUT INITIAL MAX TEMPCO PKG TOP PART PIN-PACKAGE VOLTAGE (V) ACCURACY % (ppm/C) CODE MARK MAX6037AAUK12+T 1.25 0.2 25 5 SOT23-5 U5-2 AEIV MAX6037BAUK12+T 1.25 0.3 50 5 SOT23-5 U5-2 AEIW MAX6037CAUK12+T 1.25 0.5 50 5 SOT23-5 U5-2 AEIX MAX6037AAUK21+T 2.048 0.2 25 5 SOT23-5 U5-2 AEIY MAX6037BAUK21+T 2.048 0.3 50 5 SOT23-5 U5-2 AEIZ MAX6037CAUK21+T 2.048 0.5 50 5 SOT23-5 U5-2 AEJA +Denotes a lead-free package. T = Tape and reel. Note: All devices are specified over the -40C to +125C operating temperature range. Ordering Information/Selector Guide continued at end of data sheet. Maxim Integrated Products 1 For pricing delivery, and ordering information please contact Maxim Direct at 1-888-629-4642, or visit Maxims website at www.maxim-ic.com.Low-Power, Fixed and Adjustable Reference with Shutdown in SOT23 ABSOLUTE MAXIMUM RATINGS Operating Temperature Range .........................-40C to +125C IN, OUT, SHDN, ADJ to GND...................................-0.3V to +6V Junction Temperature......................................................+150C Output Short Circuit to GND or IN............................. Continuous Continuous Power Dissipation (T = +70C) Storage Temperature Range .............................-65C to +150C A Lead Temperature (soldering, 10s) .................................+300C 5-Pin SOT23 (derate 7.1mW/C above +70C)............571mW 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 CHARACTERISTICSMAX6037 12 (V = 1.25V) OUT (V = V = +3V, I = 0, C = 0.1F, T = T to T , unless otherwise noted. Typical values are at T = +25C.) (Note 1) IN SHDN OUT OUT A MIN MAX A PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS OUTPUT MAX6037A 12 (0.2%) 1.2475 1.250 1.2525 Output Voltage V T = +25C MAX6037B 12 (0.3%) 1.2462 1.250 1.2538 V OUT A MAX6037C 12 (0.5%) 1.2438 1.250 1.2563 MAX6037A 12 6 25 Output-Voltage Temperature TCV ppm/C OUT Coefficient (Note 2, 4) MAX6037B/C 12 6 50 Line Regulation V / V 2.5V V 5.5V 0.0006 0.0096 %/V OUT IN IN Sourcing: 0 I 1mA 0.008 0.072 OUT Sourcing: 1mA I 5mA 0.006 0.072 OUT Load Regulation V / I %/mA OUT OUT Sinking: -1mA I 0 0.025 0.12 OUT Sinking: -5mA I -1mA 0.014 0.12 OUT Short to GND 16 OUT Short-Circuit Current I mA SC Short to IN 32 Thermal Hysteresis (Note 3) V /cycle 485 ppm OUT Long-Term Stability V /time 1000h at T = +25C 133 ppm OUT A DYNAMIC f = 0.1Hz to 10Hz 6 V P-P Noise Voltage e OUT f = 10Hz to 1kHz 15 V RMS Initial power-up 360 To V = 0.1% OUT Turn-On Settling Time t of final value, s R V = 3V, SHDN pulled IN 75 C = 0.02F OUT from low to high Output Impedance when Z V = 3V, V = 0V 125 k OUT IN SHDN Disabled Capacitive-Load Stability C 0.02 1F OUT Range (Note 4) INPUT Supply Voltage Range V Guaranteed by line regulation test 2.5 5.5 V IN Quiescent Supply Current I 190 275 A IN Shutdown Supply Current I V = 0V 0.05 500 nA SHDN SHDN 2 MAX6037