DS1239-5 Maxim Integrated Products, DS1239-5 Datasheet
DS1239-5
Specifications of DS1239-5
Related parts for DS1239-5
DS1239-5 Summary of contents
Page 1
... Consumes less than 100 nA of battery current Controls external power switch for high current applications Accurate 10% power supply monitoring Optional 5% power supply monitoring designated DS1239-5 Provides orderly shutdown in nonvolatile microprocessor applications Supplies necessary control for low-power “stop mode” in battery operate hand-held ...
Page 2
... DS1239 is identical to the DS1236 with two exceptions. The RC and RST pins have been replaced with and PSO, respectively. Other pins and functions operate exactly as the DS1236 in NMOS mode. PSI POWER SUPPLY CONTROL The DS1239 facilitates the power-up and power-down sequencing of a main power supply from a keyboard or pushbutton ...
Page 3
... Exposure to absolute maximum rating conditions for extended periods of time may affect reliability. These specifications reflect the power supply control feature of the DS1239. For complete electrical specifications, refer to the DS1236 data sheet. ...
Page 4
... PSO will typically source 1 1.5V with SYMBOL MIN TYP I 3 PSI I 10 PSO ( SYMBOL MIN TYP t PSI t PST t PSO t 200 PSP . BAT = 0V 3V. CC BAT DS1239 = 4.5V to 5.5V) CC MAX UNITS NOTES µ 4.5V to 5.5V) CC MAX UNITS NOTES 200 100 ns 500 ms 2 ...