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Maxim > Solutions > Cable Modems and CATV

Voltage/Reset Sequencing

DATA SHEETS
Display Title / Parts Key Advantages
QV  PDF Dual-/Triple-Voltage, Power-Supply Sequencers/Supervisors
MAX6880, MAX6881, MAX6882, MAX6883
QV  PDF Dual-/Triple-Voltage, Power-Supply Trackers/Sequencers/Supervisors
MAX6877, MAX6878, MAX6879
QV  PDF Ultra-Small, Adjustable Sequencing/Supervisory Circuits
MAX6895, MAX6896, MAX6897, MAX6898, MAX6899
QV  PDF Dual-Voltage µP Supervisory Circuits with Sequenced Reset Outputs
MAX6391, MAX6392
QV  PDF SOT23 Power-Supply Sequencers
MAX6819, MAX6820

Power Supply Sequencers for Dual/Multi-Voltage Systems Control Power On/Power Off Characteristics for Higher System Reliability



Key Specifications:   Sequencers/Trackers
Part Number Option Interface Number of Input Channels Maximum Operating Voltage Range (V) Features Package Operating Temp. Range (°C)
MAX6877  Sequence
Sequence and Track
Track 		Factory Fixed
R/C Adjustable 		3 <6
•Charge Pump Output
•Enable Input
•Reset Output
•Slew Rate Control
 THIN QFN/24 -40 to +85
MAX6878  Sequence
Sequence and Track
Track 		Factory Fixed
R/C Adjustable 		2 <6
•Charge Pump Output
•Enable Input
•Reset Output
•Slew Rate Control
 THIN QFN/24 -40 to +85
MAX6879  Sequence
Sequence and Track
Track 		Factory Fixed
R/C Adjustable 		2 <6
•Charge Pump Output
•Enable Input
•Slew Rate Control
 THIN QFN/16 -40 to +85
MAX6880  Sequence Factory Fixed
R/C Adjustable 		3 <6
•Charge Pump Output
•Enable Input
•Reset Output
•Slew Rate Control
 THIN QFN/24 -40 to +85
MAX6881  Sequence Factory Fixed
R/C Adjustable 		3 <6
•Charge Pump Output
•Enable Input
•Slew Rate Control
 THIN QFN/16 -40 to +85
MAX6882  Sequence Factory Fixed
R/C Adjustable 		2 <6
•Charge Pump Output
•Enable Input
•Reset Output
•Slew Rate Control
 THIN QFN/16 -40 to +85
MAX6883  Sequence Factory Fixed
R/C Adjustable 		2 <6
•Charge Pump Output
•Enable Input
•Slew Rate Control
 THIN QFN/16 -40 to +85
MAX6895  Sequence Factory Fixed
R/C Adjustable 		1 <6
•Enable Input
•Overvoltage Detection
 MicroDFN/6
SOT-23/6 		-40 to +125
MAX6896  Sequence Factory Fixed
R/C Adjustable 		1 <6
•Enable Input
•Overvoltage Detection
 MicroDFN/6
SOT-23/6 		-40 to +125
MAX6897  Sequence Factory Fixed
R/C Adjustable 		1 <6
•Enable Input
•Overvoltage Detection
 MicroDFN/6
SOT-23/6 		-40 to +125
MAX6898  Sequence Factory Fixed
R/C Adjustable 		1 <6
•Enable Input
•Overvoltage Detection
 MicroDFN/6
SOT-23/6 		-40 to +125
MAX6899  Sequence Factory Fixed
R/C Adjustable 		1 <6
•Enable Input
•Overvoltage Detection
 MicroDFN/6
SOT-23/6 		-40 to +125
MAX6391  Sequence Factory Fixed
R/C Adjustable 		2 <6
•Reset Output
 SOT-23/8 -40 to +85
0 to +70
MAX6392  Sequence Factory Fixed
R/C Adjustable 		2 <6
•Reset Output
 SOT-23/8 -40 to +85
0 to +70
MAX6819  Sequence Factory Fixed
R/C Adjustable 		2 <6
•Enable Input
 SOT-23/6 -40 to +125
-40 to +85
0 to +70
MAX6820  Sequence Factory Fixed
R/C Adjustable 		2 <6  -  SOT-23/6 -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)
MAX6895  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
300ms to 1s
85ms to 300ms
<1ms
>1s
Adjustable 		No Watchdog Adjustable Reset Input
Overvoltage/Window Monitor 		1.8 20 Automotive - General MicroDFN/6
SOT-23/6 		-40 to +125
MAX6896  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
300ms to 1s
85ms to 300ms
<1ms
>1s
Adjustable 		No Watchdog Adjustable Reset Input
Overvoltage/Window Monitor 		1.8 20 Automotive - General MicroDFN/6
SOT-23/6 		-40 to +125
MAX6897  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
300ms to 1s
85ms to 300ms
<1ms
>1s
Adjustable 		No Watchdog Adjustable Reset Input
Overvoltage/Window Monitor 		1.8 20 Automotive - General MicroDFN/6
SOT-23/6 		-40 to +125
MAX6898  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
300ms to 1s
85ms to 300ms
<1ms
>1s
Adjustable 		No Watchdog Adjustable Reset Input
Overvoltage/Window Monitor 		1.8 20 Automotive - General MicroDFN/6
SOT-23/6 		-40 to +125
MAX6899  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
300ms to 1s
85ms to 300ms
<1ms
>1s
Adjustable 		No Watchdog Adjustable Reset Input
Overvoltage/Window Monitor 		1.8 20 Automotive - General MicroDFN/6
SOT-23/6 		-40 to +125
See All Supervisors (1 Monitored Voltage) (268)

Key Specifications:   Supervisors (2 Monitored Voltages)
Part Number Interface Reset Threshold Range (V) Active-Low Reset Output Min. Reset Timeout Range Watchdog Feature Supervisor Features Reset Thresh. Acc. (% @+25°C) Max. ICC (µA) Package Operating Temp. Range (°C)
MAX6391  Factory Fixed
R/C Adjustable 		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 300ms to 1s
85ms to 300ms
>1s
Adjustable 		No Watchdog Adjustable Reset Input 1.5 25 SOT-23/8 -40 to +85
0 to +70
MAX6392  Factory Fixed
R/C Adjustable 		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
Push-Pull 		300ms to 1s
85ms to 300ms
>1s
Adjustable 		No Watchdog Adjustable Reset Input
Manual Reset 		1.5 25 SOT-23/8 -40 to +85
0 to +70
See All Supervisors (2 Monitored Voltages) (70)


         


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