MAX1259EWE+ Maxim Integrated Products, MAX1259EWE+ Datasheet
MAX1259EWE+
Specifications of MAX1259EWE+
Related parts for MAX1259EWE+
MAX1259EWE+ Summary of contents
Page 1
... CCI V BATT REF MAX1259 GND ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. Switches to Backup Battery if Power Fails Consumes Less than 100nA of Battery Current Power-Fail Output Signals Primary Power-Supply Loss ...
Page 2
Battery Manager ABSOLUTE MAXIMUM RATINGS Voltage on Any Pin (with respect to GND) ............-0.3V to +7.0V Operating Temperature Range C Suffix................................................................0°C to +70°C E Suffix .............................................................-40°C to +85°C M Suffix ..........................................................-55°C to +125°C Stresses beyond those listed under “Absolute Maximum ...
Page 3
CAPACITANCE (All grades +25°C, unless otherwise noted.) (Note 10) A PARAMETER SYMBOL Input Capacitance Output Capacitance AC ELECTRICAL CHARACTERISTICS (V = 4.0V to 5.5V, all grades +25°C, unless otherwise noted PARAMETER SYMBOL V Fall ...
Page 4
Battery Manager (T = +25°C, unless otherwise noted.) A SWITCH VOLTAGE DROP vs. LOAD CURRENT 200 V MODE +25°C A 150 V = +4.5V 100 CCI +5.0V CCI 100 150 200 ...
Page 5
V CCI +4.25V +3V PF BATTERY CURRENT Figure 1. Power-Down/Power-Up Conditions Detailed Description Battery Switchover and V Figure 2 shows a typical application for the MAX1259. CMOS RAM is powered from V switchover circuit compares V CC and connects V ...
Page 6
Battery Manager +5V V CCI RST V IL +5V V CCO +3V 0V +3V BAT 0V Figure 4. Reset Timing To achieve rated performance, the V connected to both V pins (pins 15 and 16). As well, ...
Page 7
... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 _____________________ 7 © 2005 Maxim Integrated Products ...