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Maxim > Solutions > Telecom Switches (PBX and Central Office)

Single Low-Voltage Supervisors

DATA SHEETS
Display Title / Parts Key Advantages
QV  PDF High-Voltage, Adjustable Sequencing/Supervisory Circuits
MAX16052, MAX16053

Simple Reset and Supervisory Circuits Operate from High Voltage and are Fully Adjustable
QV  PDF Ultra-Low-Voltage µP Reset Circuits and Voltage Detectors
MAX6841, MAX6842, MAX6843, MAX6844, MAX6845

Ultra-Low-Voltage SC70 µP Supervisors Monitor Supplies Down to 0.9V with No External Components
QV  PDF Ultra-Low-Voltage SC70 Voltage Detectors and µP Reset Circuits
MAX6832, MAX6833, MAX6834, MAX6835, MAX6836, MAX6837, MAX6838, MAX6839, MAX6840
QV  PDF SC70/µDFN, Single/Dual Low-Voltage, Low-Power µP Reset Circuits
MAX6381, MAX6382, MAX6383, MAX6384, MAX6385, MAX6386, MAX6387, MAX6388, MAX6389, MAX6390



Key Specifications:   Pushbutton Devices
Part Number Number of Monitored Voltages Manual Reset Feature MR1 Setup Time Reset Threshold Range (V) Active-Low Reset Output Min. Reset Timeout Range Reset Thresh. Acc. (% @+25°C) Max. ICC (µA) Industry Qualified Package Operating Temp. Range (°C)
MAX6390  1 Single Soft/Hard Reset Output 1µs 1.2 to 1.79
1.8 to 2.49
2.5 to 3.29
3.3 to 4.99 		Open Drain >1s 1.5 13 Automotive - General MicroDFN/6
SC-70/3
SC-70/4 		-40 to +125
-40 to +85
0 to +70
See All Pushbutton Devices (17)

Key Specifications:   Sequencers/Trackers
Part Number Option Interface Number of Input Channels Maximum Operating Voltage Range (V) Features Package Operating Temp. Range (°C)
MAX16052  Sequence R/C Adjustable 1 <6
>6
•Enable Input
•Reset Output
 SOT-23/6 -40 to +105
-40 to +125
-40 to +85
0 to +70
MAX16053  Sequence R/C Adjustable 1 <6
>6
•Enable Input
•Reset Output
 SOT-23/6 -40 to +105
-40 to +125
-40 to +85
0 to +70
See All Sequencers/Trackers (52)

Key Specifications:   Supervisors (1 Monitored Voltage)
Part Number Reset Threshold Range (V) Active-Low Reset Output Active-High Reset Output Min. Reset Timeout Range Watchdog Feature Supervisor Features Reset Thresh. Acc. (% @+25°C) Max. ICC (µA) Industry Qualified Package Operating Temp. Range (°C)
MAX16052  0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
>=5.5 		Open Drain  -  15ms to 85ms
1ms to 15ms
250ms to 450ms
300ms to 1s
85ms to 300ms
<1ms
Adjustable 		No Watchdog Adjustable Reset Input
High Voltage (>6V) 		1.8 45  -  SOT-23/6 -40 to +105
-40 to +125
-40 to +85
0 to +70
MAX16053  0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
>=5.5 		Push-Pull  -  15ms to 85ms
1ms to 15ms
250ms to 450ms
300ms to 1s
85ms to 300ms
<1ms
Adjustable 		No Watchdog Adjustable Reset Input
High Voltage (>6V) 		1.8 60  -  SOT-23/6 -40 to +105
-40 to +125
-40 to +85
0 to +70
MAX6842  0 to 1.2
1.2 to 1.8 		Open Drain Push-Pull 15ms to 85ms
1ms to 15ms
85ms to 300ms
<1ms
>1s 		No Watchdog Manual Reset 2.5 20  -  SOT-23/5 -40 to +85
0 to +70
MAX6843  0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  15ms to 85ms
1ms to 15ms
85ms to 300ms
<1ms
>1s 		No Watchdog Adjustable Reset Input
Manual Reset 		2.5 20  -  SOT-23/5 -40 to +85
0 to +70
MAX6844  0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		 -  Push-Pull 15ms to 85ms
1ms to 15ms
85ms to 300ms
<1ms
>1s 		No Watchdog Adjustable Reset Input
Manual Reset 		2.5 20  -  SOT-23/5 -40 to +85
0 to +70
MAX6845  0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  15ms to 85ms
1ms to 15ms
85ms to 300ms
<1ms
>1s 		No Watchdog Adjustable Reset Input
Manual Reset 		2.5 20  -  SOT-23/5 -40 to +85
0 to +70
MAX6832  0 to 1.2
1.2 to 1.8 		Push-Pull  -  15ms to 85ms
1ms to 15ms
85ms to 300ms
<1ms
>1s 		No Watchdog  -  1.5 13  -  SC-70/3 -40 to +85
0 to +70
MAX6833  0 to 1.2
1.2 to 1.8 		 -  Push-Pull 15ms to 85ms
1ms to 15ms
85ms to 300ms
<1ms
>1s 		No Watchdog  -  1.5 13  -  SC-70/3 -40 to +85
0 to +70
MAX6834  0 to 1.2
1.2 to 1.8 		Open Drain  -  15ms to 85ms
1ms to 15ms
85ms to 300ms
<1ms
>1s 		No Watchdog  -  1.5 13  -  SC-70/3 -40 to +85
0 to +70
MAX6835  0 to 1.2
1.2 to 1.8 		Push-Pull  -  15ms to 85ms
1ms to 15ms
85ms to 300ms
<1ms
>1s 		No Watchdog Manual Reset 2.5 13  -  SC-70/3
SC-70/4 		-40 to +85
0 to +70
MAX6836  0 to 1.2
1.2 to 1.8 		 -  Push-Pull 15ms to 85ms
1ms to 15ms
85ms to 300ms
<1ms
>1s 		No Watchdog Manual Reset 1.5 13  -  SC-70/3
SC-70/4 		-40 to +85
0 to +70
MAX6837  0 to 1.2
1.2 to 1.8 		Open Drain  -  15ms to 85ms
1ms to 15ms
85ms to 300ms
<1ms
>1s 		No Watchdog Manual Reset 1.5 13  -  SC-70/3
SC-70/4 		-40 to +85
0 to +70
MAX6838  0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  15ms to 85ms
1ms to 15ms
85ms to 300ms
<1ms
>1s 		No Watchdog Adjustable Reset Input 1.5 13  -  SC-70/3
SC-70/4 		-40 to +85
0 to +70
MAX6839  0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		 -  Push-Pull 15ms to 85ms
1ms to 15ms
85ms to 300ms
<1ms
>1s 		No Watchdog Adjustable Reset Input 2.5 13  -  SC-70/3
SC-70/4 		-40 to +85
0 to +70
MAX6840  0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  15ms to 85ms
1ms to 15ms
85ms to 300ms
<1ms
>1s 		No Watchdog Adjustable Reset Input 2.5 13  -  SC-70/3
SC-70/4 		-40 to +85
0 to +70
MAX6381  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
>1s 		No Watchdog  -  1.5 13 Automotive - General MicroDFN/6
SC-70/3 		-40 to +125
-40 to +85
0 to +70
MAX6382  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		 -  Push-Pull 15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
>1s 		No Watchdog  -  1.5 13 Automotive - General MicroDFN/6
SC-70/3 		-40 to +125
-40 to +85
0 to +70
MAX6383  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
>1s 		No Watchdog  -  1.5 13 Automotive - General MicroDFN/6
SC-70/3 		-40 to +125
-40 to +85
0 to +70
MAX6384  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
>1s 		No Watchdog Manual Reset 1.5 13 Automotive - General MicroDFN/6
SC-70/3
SC-70/4 		-40 to +125
-40 to +85
0 to +70
MAX6385  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		 -  Push-Pull 15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
>1s 		No Watchdog Manual Reset 1.5 13 Automotive - General MicroDFN/6
SC-70/3
SC-70/4 		-40 to +125
-40 to +85
0 to +70
MAX6386  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
>1s 		No Watchdog Manual Reset 1.5 13 Automotive - General MicroDFN/6
SC-70/3
SC-70/4 		-40 to +125
-40 to +85
0 to +70
MAX6841  0 to 1.2
1.2 to 1.8 		Push-Pull Push-Pull 15ms to 85ms
1ms to 15ms
85ms to 300ms
<1ms
>1s 		No Watchdog Manual Reset 2.5 20  -  SOT-23/5 -40 to +85
0 to +70
See All Supervisors (1 Monitored Voltage) (268)

Key Specifications:   Supervisors (2 Monitored Voltages)
Part Number Interface Reset Threshold Range (V) Active-Low Reset Output Active-High Reset Output Min. Reset Timeout Range Watchdog Feature Supervisor Features Reset Thresh. Acc. (% @+25°C) Max. ICC (µA) Industry Qualified Package Operating Temp. Range (°C)
MAX6387  Factory Fixed
R/C Adjustable 		1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
>1s 		No Watchdog Adjustable Reset Input
Manual Reset 		1.5 13 Automotive - General MicroDFN/6
SC-70/3
SC-70/4 		-40 to +125
-40 to +85
0 to +70
MAX6388  Factory Fixed
R/C Adjustable 		1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		 -  Push-Pull 15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
>1s 		No Watchdog Adjustable Reset Input 1.5 13 Automotive - General MicroDFN/6
SC-70/3
SC-70/4 		-40 to +125
-40 to +85
0 to +70
MAX6389  Factory Fixed
R/C Adjustable 		1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
>1s 		No Watchdog Adjustable Reset Input 1.5 13 Automotive - General MicroDFN/6
SC-70/3
SC-70/4 		-40 to +125
-40 to +85
0 to +70
See All Supervisors (2 Monitored Voltages) (70)


         


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