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MAX16016 Datasheet(PDF) 5 Page - Maxim Integrated Products |
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MAX16016 Datasheet(HTML) 5 Page - Maxim Integrated Products |
5 / 21 page Low-Power µP Supervisory Circuits with Battery-Backup Circuit and Chip-Enable Gating _______________________________________________________________________________________ 5 Note 2: All devices are 100% production tested at TA = +25°C and TA = +85°C. Limits to -40°C are guaranteed by design. Note 3: VBATT can be 0V anytime, or VCC can go down to 0V if VBATT is active (except at startup). Note 4: Use external current-limit resistor to limit current to 20mA (max). Note 5: CEIN/CEOUT resistance is tested with VCC = 5V and VCEIN = 0V or 5V. Note 6: WDI is internally serviced within the watchdog period if WDI is left unconnected. Note 7: The WDI input current is specified as the average input current when the WDI input is driven high or low. The WDI input is designed for a three-stated output device with a 10µA maximum leakage current and capable of driving a maximum capaci- tive load of 200pF. The three-state device must be able to source and sink at least 200µA when active. ELECTRICAL CHARACTERISTICS (continued) (VCC = 1.53V to 5.5V, VBATT = 3V, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS LOW LINE ( LL) Low Line to Reset Threshold Voltage VCC falling (see Table 2) mV VCC Falling to LL Delay VCC falling at 10V/ms 20 µs VCC ≥ 1.6V, ISINK = 1mA, LL asserted 0.3 LL Output Low Voltage VOL VCC ≥ 1.2V, ISINK = 100µA, LL asserted 0.3 V LL Output High Voltage (Push- Pull Output) VOH VCC = 0.9 x VTH_LL, ISOURCE = 100µA, LL deasserted VOUT - 0.3 V Output Leakage Current VLL = 5.5V, LL deasserted 1 µA BATTERY-OK INDICATOR (BATTOK, BATT_TEST) BATTOK Threshold Inferred internally from BATT 2.508 2.6 2.673 V BATTOK Output Voltage Low VOL VCC = 1.1 x VTH, ISINK = 1mA, reset asserted 0.3 V BATTOK Output High Voltage VOH VCC = 1.1 x VTH, ISOURCE = 100µA, BATTOK asserted VOUT - 0.3 V BATTOK Output Leakage Current VBATTOK = 5.5V, deasserted 1 µA BATT_TEST Output Low Voltage VCC = 1.1 x VTH, ISINK = 1mA 0.3 V Table 1a. Reset Threshold Ranges (MAX16016) RESET THRESHOLD RANGES (V) SUFFIX MIN TYP MAX L 4.508 4.63 4.906 M 4.264 4.38 4.635 T 2.991 3.08 3.239 S 2.845 2.93 3.080 R 2.549 2.63 2.755 Z 2.243 2.32 2.425 Y 2.117 2.19 2.288 W 1.603 1.67 1.733 V 1.514 1.575 1.639 Table 1b. Reset Threshold Ranges (MAX16020/MAX16021) RESET THRESHOLD RANGES (V) SUFFIX MIN TYP MAX L 4.520 4.684 4.852 M 4.275 4.428 4.585 T 3.010 3.100 3.190 S 2.862 2.946 3.034 R 2.568 2.640 2.716 Z 2.260 2.323 2.390 Y 2.133 2.192 2.255 W 1.616 1.661 1.710 V 1.528 1.571 1.618 |
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