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Part: MAX6463XR16-T
Category:
Power Management
-> Supervisory Circuits
-> Microprocessor Supervisors
Description: MAX6461, MAX6462, MAX6463, MAX6464, MAX6465, MAX6466 Ultra-low-power Voltage Detectors And µP Supervisory Circuits
Company: Maxim Integrated Products
Datasheet: Download MAX6463XR16-T datasheet File size : 13806 kB
Request For quote: Find where to buy MAX6463XR16-T
Datasheet text preview:
19-2533; Rev 1; 1/03
Ultra-Low-Power Voltage Detectors and µP Supervisory Circuits
General Description
The MAX6461MAX6466 family of ultra-low-power voltage detectors and µP reset supervisory circuits monitors battery, power-supply, and system voltages. Each circuit includes a precision bandgap reference, a comparator, internally trimmed resistor networks that set specified trip thresholds, and an internal 5% threshold hysteresis circuit (see the Functional Diagram). Output is asserted when VCC falls below the internal VTH- and remains asserted until VCC rises above VTH+ (VTH+ = VTH- × 1.05). These devices provide excellent circuit reliability and low cost by eliminating external components and adjustments when monitoring nominal system voltages from +1.6V to +5.5V. The MAX6461/MAX6462/MAX6463 are voltage detectors with a propagation delay of 17µs. The MAX6464/MAX6465/MAX6466 are µP supervisory circuits with a minimum reset timeout period of 150ms. All devices are available with thresholds from +1.6V to +5.5V in 100mV increments. The family is available with three output stage options: push-pull with active-low output, push-pull with activehigh output, and open drain with active-low output. These devices are available in SC70 and SOT23 packages specified over the -40°C to +125°C temperature range. o Ultra-Low 1.0µA Supply Current o Preset Thresholds from +1.6V to +5.5V in 100mV Increments o Internal 5% Threshold Hysteresis o ±2.5% Threshold Accuracy Over Temperature o Internal Timeout Period Option (150ms min) o Immune to Short Voltage Transients o No External Components o Available in Three Output Options: Push-Pull (Active Low/Active High) and Open Drain (Active Low) o Fully Specified from -40°C to +125°C o Small SC70 and SOT23 Packages
Features
MAX6461MAX6466
Ordering Information
PART MAX6461XR_ _-T MAX6461UR_ _-T MAX6461UK_ _-T MAX6462XR_ _-T MAX6462UR_ _-T MAX6462UK_ _-T TEMP RANGE -40°C to +125°C -40°C to +125°C -40°C to +125°C -40°C to +125°C -40°C to +125°C -40°C to +125°C PIN-PACKAGE 3 SC70-3 3 SOT23-3 5 SOT23-5 3 SC70-3 3 SOT23-3 5 SOT23-5
Applications
Precision Battery Monitoring Load Switching/Power Sequencing Power-Supply Monitoring in Digital/Analog Systems Noise-Immune µP Reset Circuits Portable/Battery-Powered Equipment Cellular Phones/Cordless Phones PDAs Portable Medical Devices
The MAX6461MAX6466 are available in factory-set thresholds from 1.6V to 5.5V in approximately 100mV increments. Choose the desired voltage threshold suffix from Table 1 and insert it in the blank spaces in the part number. There are 30 standard versions with a required order increment of 2500 pieces. Sample stock generally is held on the standard versions only (Table 2). Nonstandard versions require a 10k-piece order increment. Contact factory for availability. All devices available in tape-andreel only. Ordering Information continued at end of data sheet. Selector Guide appears at end of data sheet.
Pin Configurations
TOP VIEW
GND 1 N.C. 1 5 VCC (OUT)/OUT 1
MAX6461 MAX6466
(OUT)/OUT 2
3
VCC GND 2
MAX6461 MAX6466
GND 2 4 (OUT)/OUT
MAX6461 MAX6466
3
VCC
SC70-3
( ) ARE FOR THE MAX6462/MAX6465 ONLY
GND 3
SOT23-3
SOT23-5
________________________________________________________________ Maxim Integrated Products
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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.
Ultra-Low-Power Voltage Detectors and µP Supervisory Circuits MAX6461MAX6466
ABSOLUTE MAXIMUM RATINGS
(All voltages referenced to GND unless otherwise noted.) VCC, Open-Drain OUT....-0.3V to +7V Push-Pull OUT/OUT...-0.3V to (VCC + 0.3V) Input/Output Current (all pins) ...........20mA Output Short Circuit (VCC or GND) Continuous Power Dissipation (TA = +70°C) 3-Pin SC70 (derate 2.9mW/°C above +70°C) ..228.6mW 3-Pin SOT23 (derate 4.0mW/°C above +70°C)...320mW 5-Pin SOT23 (derate 7.1mW/°C above +70°C)...571mW Operating Temperature Range .......-40°C to +125°C Junction Temperature ......+150°C Storage Temperature Range .....-65°C to +150°C Lead Temperature (soldering, 10s) .........+300°C
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
(VCC = +1.2V to +6V, TA = -40°C to +125°C. Typical values are at TA = +25°C, unless otherwise noted.) (Note1)
PARAMETER Operating Voltage Range SYMBOL VCC CONDITIONS TA = 0°C to +125°C TA = -40°C to 0°C VCC = 3.6V, TA = -40°C to +125°C, no load, output not asserted VCC Supply Current ICC VCC = 5.0V, TA = -40°C to +85°C, no load, output not asserted VCC = 5.0V, TA = +85°C to +125°C, no load, output not asserted VCC rising, TA = +25°C VTH+ Voltage Threshold (Note 2) VTHVCC falling, TA = -40°C to +125°C Voltage Threshold Hysteresis V HYST VHYST = [(VTH+) - (VTH-)] / (VTH-)] × 100% VCC falling at 10mV/µs from (VTH-) + 100mV to (V TH-) - 100mV Propagation Delay tP VCC rising at 10mV/µs from (VTH+) - 100mV to (VTH+) + 100mV MAX6461/ MAX6462/ MAX6463 only VCC rising, TA = -40°C to +125°C VCC falling, TA = +25°C (VTH+) × 0.985 (VTH+) × 0.975 (VTH-) × 0.985 (VTH-) × 0.975 3 4.5 17 µs 100 VTHVTH+ MIN 1 1.2 1 1.3 TYP MAX 6 6.0 2 2.5 3.5 (VTH+) × 1.015 (VTH+) × 1.025 (VTH-) × 1.015 (VTH-) × 1.025 6 % µA UNITS V
V
Startup Time (MAX6461/MAX6462/MAX6463) Output Timeout Period (MAX6464/MAX6465/MAX6466) tRP 150
225 260 430
µs ms
2
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Ultra-Low-Power Voltage Detectors and µP Supervisory Circuits
ELECTRICAL CHARACTERISTICS (continued)
(VCC = +1.2V to +6V, TA = -40°C to +125°C. Typical values are at TA = +25°C, unless otherwise noted.) (Note1)
PARAMETER OUT Output Low (Open Drain or Push-Pull) SYMBOL VOL CONDITIONS VCC 1.2V, ISINK = 1.0mA, OUT asserted VCC 2.5V, ISINK = 4.0mA, OUT asserted VCC 4.5V, ISINK = 9.0mA, OUT asserted VCC 1.8V, ISOURCE = 1.5mA, OUT not asserted OUT Output High (Push-Pull) VOH VCC 2.5V, ISOURCE = 3.0mA, OUT not asserted VCC 4.5V, ISOURCE = 8.0mA, OUT not asserted OUT Output Open-Drain Leakage Current ILKG OUT not asserted, V OUT = +6V VCC 1.2V, ISOURCE = 200µA, OUT asserted VCC 1.8V, ISOURCE = 1.5mA, OUT asserted OUT Output High (Push-Pull) VOH VCC 2.5V, ISOURCE = 3.0mA, OUT asserted VCC 4.5V, ISOURCE = 8.0mA, OUT asserted VCC 2.5V, ISINK = 4.0mA, OUT not asserted OUT Output Low (Push-Pull) VOL VCC 4.5V, ISINK = 9.0mA, OUT not asserted 0.8 × VCC 0.8 × VCC 0.8 × VCC 0.8 × VCC 0.3 V 0.4 0.8 × VCC 0.8 × VCC 0.8 × VCC 100 nA V MIN TYP MAX 0.3 0.3 0.4 V UNITS
MAX6461MAX6466
V
Note 1: 100% production testing done at +25°C. Limits over temperature are guaranteed by design. Note 2: See Table 1 for VTH- and VTH+ values.
Typical Operating Characteristics
(VCC = 5V, TA = +25°C, unless otherwise noted.)
PROPAGATION DELAY (RISING) vs. TEMPERATURE
MAX6461 toc01 MAX6461 toc02
SUPPLY CURRENT vs. TEMPERATURE
1.45 VCC = 5V, NO LOAD 1.40 SUPPLY CURRENT (µA) 1.35 1.30 1.25 1.20 1.15 -40 -25 -10 5 20 35 50 65 80 95 110 125 TEMPERATURE (°C) 120 110 PROPAGATION DELAY (µs) 100 90 80 70 60
PROPAGATION DELAY (FALLING) vs. TEMPERATURE
35 PROPAGATION DELAY (µs) 30 25 20 15 10 5 0 VCC FALLING AT 200mV/µs FROM ((VTH-) + 100mV) TO ((VTH-) - 100mV)
MAX6461 toc03
VCC RISING AT 200mV/µs FROM ((VTH+) - 100mV) TO ((VTH+) + 100mV)
40
-40 -25 -10 5 20 35 50 65 80 95 110 125 TEMPERATURE (°C)
-40 -25 -10 5 20 35 50 65 80 95 110 125 TEMPERATURE (°C)
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