MAX6516MAX6519 19-3007 Rev 1 2/11 Low-Cost, 2.7V to 5.5V, Analog Temperature Sensor Switches in a SOT23 General Description Features The MAX6516MAX6519 low-cost, fully integrated tem- High Accuracy 1.5C (max) Over -15C to +65C perature switches assert a logic signal when their die Temperature Range temperature crosses a factory-programmed threshold. Low Power Consumption22A Typical Current Operating from a 2.7V to 5.5V supply, these devices Factory-Programmed Thresholds from -45C to feature a fixed voltage reference, an analog tempera- +115C in 10C Increments ture sensor, and a comparator. They are available with factory-trimmed temperature trip thresholds from -45C Analog Output to Allow Board-Level Testing to +115C in 10C increments, and are accurate to Open-Drain or Push-Pull Outputs 0.5C (typ). These devices require no external compo- Pin-Selectable 2C or 10C Hysteresis nents and typically consume 22A of supply current. Hysteresis is pin selectable at 2C or 10C. Ordering Information The MAX6516MAX6519 are offered with hot-tempera- ture thresholds (+35C to +115C), asserting when the PART TEMP RANGE PIN-PACKAGE temperature is above the threshold, or with cold-tem- MAX6516UK +T -55C to +125C 5 SOT23 perature thresholds (-45C to +15C), asserting when MAX6517UK +T -55C to +125C 5 SOT23 the temperature is below the threshold. MAX6518UK +T -55C to +125C 5 SOT23 These devices provide an analog output proportional to MAX6519UK +T -55C to +125C 5 SOT23 temperature and are stable with any capacitive load up to 1000pF. The MAX6516MAX6519 can be used over a Note: These parts are offered in 16 standard temperature ver- range of -35C to +125C with a supply voltage of 2.7V sions with a minimum order of 2500 pieces. To complete the to 5.5V. For applications sensing temperature down to suffix information, add P or N for positive or negative trip tem- -45C, a supply voltage above 4.5V is required. perature, and select an available trip point in degrees centi- grade. For example, the MAX6516UKP065+T describes a The MAX6516 and MAX6518 have an active-high, MAX6516 in a 5-pin SOT23 package with a +65C threshold. push-pull output. The MAX6517 and MAX6519 have an Contact the factory for pricing and availability. active-low, open-drain output. These devices are avail- +Denotes a lead(Pb)-free/RoHS-compliant package. able in a space-saving 5-pin SOT23 package and oper- T = Tape and reel. ate over the -55C to +125C temperature range. Functional Diagram appears at end of data sheet. Applications Fan Control Over/Undertemperature Pin Configurations Protection Test Equipment TOP VIEW Notebook, Desktop PCs Temperature Control RAID (TOVER) (TUNDER) Temperature Alarms OUT 15 OUT 15 TOVER TUNDER Servers (MAX6516) (MAX6516) 2 2 GND GND MAX6517 MAX6517 Typical Operating Circuit HYST34 V HYST34 V CC CC V CC SOT23 SOT23 100k V CC (TOVER) (TUNDER) TOVER INT V CC HYST15 HYST 15 TOVER TUNDER 0.1F MICROCONTROLLER (MAX6518) (MAX6518) MAX6517 GND 2 GND 2 MAX6519 MAX6519 OUT ADC IN GND HYST GND OUT34 V OUT34 V CC CC SOT23 SOT23 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-Cost, 2.7V to 5.5V, Analog Temperature Sensor Switches in a SOT23 ABSOLUTE MAXIMUM RATINGS All voltages are referenced to GND. Continuous Power Dissipation (T = +70C) A V ...........................................................................-0.3V to +6V SOT23 (derate 3.1mW/C above +70C).....................247mW CC TOVER, TUNDER (open drain)................................ -0.3V to +6V Operating Temperature Range ........................-55C to +125C TOVER, TUNDER (push-pull) .................... -0.3V to (V + 0.3V) Junction Temperature..................................................... +150C CC Storage Temperature Range .............................-65C to +150C OUT, HYST .................................................-0.3V to (V + 0.3V) CC Lead Temperature (soldering, 10s) ................................ +300C OUT Short to GND.........................................................Indefinite Soldering Temperature (reflow) .......................................+260C 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 CHARACTERISTICS (V = 2.7V to 5.5V, R = 100k (open-drain output only), T = -55C to +125C, unless otherwise noted. Typical values are at CC PULLUP A T = +25C.) (Note 1) A PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Supply Voltage Range V 2.7 5.5 V CC Hot-temperature thresholds 22 40 (+35C to +115C) Supply Current I A CC Cold-temperature thresholds 40 (-45C to +15C) -15C to +65C -1.5 +1.5 Temperature Threshold Accuracy T C TH +75C to +115C -2.5 +2.5 (Note 2) -45C to -25C (Note 3) -3 +3 HYST = V 2 Temperature Threshold CC T C HYST Hysteresis HYST = GND 10 V 0.8 x V IH CC HYST Input Logic Level (Note 4) V V 0.2 x V IL CC I = 500A, V > 2.7V 0.8 x V Logic Output Voltage High SOURCE CC CC V V OH (Push-Pull) I = 800A, V > 4.5V V - 1.5 SOURCE CC CC I = 1.2mA, V > 2.7V 0.3 Logic Output Voltage Low SINK CC V V OL (Push-Pull and Open Drain) I = 3.2mA, V > 4.5V 0.4 SINK CC Open-Drain Output Leakage V = 2.7V, open-drain output = 5.5V 10 nA CC Current OUT TEMPERATURE SENSITIVITY Error to Equation: -30C to +125C, V = 2.7V to 5.5V -2 +2 CC OUT = 1.8015V - 10.62mV(T - 30) C 2 -55C to -30C (Note 3) -5 +2 - 1.1V (T - 30) Sensor Gain -10.62 mV/C OUT Capacitive Load (Note 4) 1000 pF 0 < I < 40A 0.24 OUT OUT Load Regulation C -1A < I < 0 0.02 OUT OUT Line Regulation 0.04 0.3 C/V Note 1: 100% production tested at T = +25C. Specifications over temperature are guaranteed by design. A Note 2: The MAX6516MAX6519 are available with internal factory-programmed temperature trip thresholds from -45C to +115C in 10C increments. Note 3: V must be greater than 4.5V for a switching threshold of -45C. CC Note 4: Guaranteed by design. 2 MAX6516MAX6519