MAX6338 19-1695 Rev 2 12/05 Quad Voltage Monitor in MAX Package General Description Features The MAX6338 quad voltage monitor is capable of moni- Monitors Four Voltages (Factory Programmed or toring up to four supplies without any external compo- User Adjustable) nents. A variety of factory-trimmed threshold voltages +5.0V, +3.3V, +3.0V, +2.5V, +1.8V, -5.0V and supply tolerances are available to optimize the (nominal) or User-Adjustable Settings MAX6338 for specific applications. The selection Low 25A Supply Current includes input options for monitoring +5.0V, +3.3V, Four Independent, Open-Drain, Active-Low +3.0V, +2.5V, +1.8V, and -5.0V voltages. An additional Outputs high-input impedance comparator option can be used as an adjustable voltage monitor, general-purpose com- +2.5V to +5.5V Supply Voltage Range parator, or digital level translator. Guaranteed from -40C to +85C Each of the monitored voltages is available with trip No External Components Required thresholds to support power-supply tolerances of either Small 10-Pin MAX Package 5% or 10% below the nominal voltage. An internal bandgap reference ensures accurate trip thresholds Ordering Information across the extended (-40C to +85C) operating temper- ature range. PART TEMP RANGE PIN-PACKAGE The MAX6338 consumes 25A (typ) supply current and MAX6338 UB* -40C to +85C 10 MAX operates with supply voltages from +2.5V to +5.5V. An *Insert the desired letter from the Selector Guide into the blank internal undervoltage lockout circuit forces all four digital to complete the part number. outputs low when V drops below the minimum operat- CC Devices are available in both leaded and lead-free packaging. ing voltage. The four digital outputs all have weak inter- Specify lead free by adding the + symbol at the end of the part nal pull-ups to V , allowing wire-ORed connection. CC number when ordering. Each input threshold voltage has an independent output. Selector Guide The MAX6338 is available in a 10-pin MAX package. NOMINAL INPUT VOLTAGE SUPPLY Applications PART IN1 IN2 IN3 IN4 TOLERANCE (V) (V) (V) (V) Telecommunications (%) High-End Printers MAX6338AUB 5 3.3 2.5 Adj* 10 Desktop and Notebook Computers MAX6338BUB 5 3.3 2.5 Adj* 5 MAX6338CUB 5 3.3 1.8 Adj* 10 Data Storage Equipment MAX6338DUB 5 3.3 1.8 Adj* 5 Networking Equipment MAX6338EUB 5 3.0 2.5 Adj* 10 Industrial Equipment MAX6338FUB 5 3.0 2.5 Adj* 5 Set-Top Boxes MAX6338GUB 5 3.0 1.8 Adj* 10 MAX6338HUB 5 3.0 1.8 Adj* 5 Pin Configuration MAX6338IUB 5 3.3 2.5 1.8 10 TOP VIEW MAX6338JUB 5 3.3 2.5 1.8 5 MAX6338KUB Adj* 3.3 2.5 Adj* 10 IN1 1 10 V CC MAX6338LUB Adj* 3.3 2.5 Adj* 5 IN2 2 9 OUT1 MAX6338MUB 5 3.0 Adj* -5 10 MAX6338 IN3 3 8 OUT2 MAX6338NUB 5 3.0 Adj* -5 5 IN4 4 7 OUT3 MAX6338OUB 5 3.3 Adj* -5 10 GND 5 6 OUT4 MAX6338PUB 5 3.3 Adj* -5 5 MAX *Adjustable voltage based on +1.23V internal threshold. External threshold voltage can be set using an external resistor-divider. Nominal input voltages for 1.8V and 2.5V are specified for 10% MAX is a registered trademark of Maxim Integrated Products, Inc. tolerances Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct at 1-888-629-4642, or visit Maxims website at www.maxim-ic.com.Quad Voltage Monitor in MAX Package ABSOLUTE MAXIMUM RATINGS Terminal Voltage (with respect to GND) Continuous Power Dissipation (T = +70C) A V ......................................................................-0.3V to +6V 10-pin MAX (derate 5.6mW/C above +70C) ..........444mW CC Output Voltages (OUT )...........................................-0.3V to +6V Operating Temperature Range ...........................-40C to +85C Input Voltages (IN ) (except -5V).............................-0.3V to +6V Storage Temperature Range .............................-65C to +150C Input Voltage (-5V input) ..........................................-6V to +0.3V Junction Temperature......................................................+150C Continuous OUT Current...................................................20mA Lead Temperature (soldering, 10s) .................................+300C 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 = +2.5V to +5.5V, T = -40C to +85C, unless otherwise noted. Typical values are at T = +25C and V = +5V, unless other- CC A A CC wise noted.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Supply Voltage Range V +2.5 +5.5 V CC V = +3V 25 50 CC Supply Current I A CC V = +5V 35 65 CC V = input threshold voltage IN 25 40 (+1.8V, +2.5V, +3.0V, +3.3V, +5.0V) V = 0 to V IN CC Input Current (Note 2) I -0.1 +0.1 A IN (input threshold voltage =1.23V) V = -5V IN -10 -20 (input threshold voltage = -5V) +5.0V (-5%) Threshold V V decreasing 4.5 4.63 4.75 V TH IN +5.0V (-10%) Threshold V V decreasing 4.25 4.38 4.50 V TH IN +3.3V (-5%) Threshold V V decreasing 3.0 3.08 3.15 V TH IN +3.3V (-10%) Threshold V V decreasing 2.85 2.93 3.00 V TH IN +3.0V (-5%) Threshold V V decreasing 2.7 2.78 2.85 V TH IN +3.0V (-10%) Threshold V V decreasing 2.55 2.63 2.70 V TH IN +2.5V (-10%) Threshold V V decreasing 2.13 2.19 2.25 V TH IN +1.8V (-10%) Threshold V V decreasing 1.53 1.58 1.62 V TH IN -5.0V (+5%) Threshold V V increasing -4.75 -4.63 -4.50 V TH IN -5.0V (+10%) Threshold V V increasing -4.5 -4.38 -4.25 V TH IN Adjustable Threshold V V decreasing 1.20 1.23 1.26 V TH IN Threshold Voltage Temperature 60 ppm/C Coefficient Threshold Hysteresis V 0.3 % THYST V = V to (V - 50mV) or IN TH TH Propagation Delay t 20 s pd V to (V - 50mV) TH TH V = 5V, I = 2mA 0.4 CC SINK Output Low Voltage V V OL V = 2.5V, I = 1.2mA 0.4 CC SINK V = 1V, I = 50A 0.4 CC SINK Output High Voltage V V > 2.5V, I = 6A (minimum) 0.8 x V V OH CC SOURCE CC Note 1: 100% production tested at +25C. Overtemperature limits guaranteed by design. Note 2: Guaranteed by design. 2 MAX6338