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Maxim > 方案 > 电信交换机(PBX和中心局)

电压排序与跟踪

数据资料
显示 标题/型号 关键优势
QV  PDF 四通道、I²C、可控制裕量的IDAC，具有三路电源跟踪
DS4426

低成本、可通过I²C控制的电源裕量调节器和跟踪器
QV  PDF 超小尺寸、六路电压、微处理器监控电路
MAX16055

提高可靠性并减小系统尺寸
QV    四/六路电压、电源跟踪器/排序器/监测器
MAX16044, MAX16045

具有排序、反向排序功能，可跟踪六路电压，无需任何软件控制
QV  PDF 双/三电压、电源排序器/监控器
MAX6880, MAX6881, MAX6882, MAX6883
QV  PDF 双/三电压、电源跟踪器/排序器/监控器
MAX6877, MAX6878, MAX6879
QV  PDF 超小型、可调节排序/监控电路
MAX6895, MAX6896, MAX6897, MAX6898, MAX6899
QV  PDF 引脚可设置八/六/四路电源排序器/监控器
MAX6892, MAX6893, MAX6894
QV  PDF EEPROM可编程、八/六/四路电源排序器/监控电路
MAX6889, MAX6890, MAX6891
QV  PDF EEPROM可编程、四路、电源跟踪器/排序电路
MAX6876

EEPROM可编程、四路、电源跟踪器/排序电路
QV  PDF EEPROM可编程、六/四路电源排序器/监控电路，带有ADC
MAX6870, MAX6871

EEPROM可编程、六/四路、电源排序器/监控电路，带有ADC
QV  PDF 双电压微处理器监控电路，带有顺序复位输出
MAX6391, MAX6392
QV  PDF SOT23封装、电源排序器
MAX6819, MAX6820

用于双/多电压供电系统的电源排序器，控制电源的通/断，保证系统的高可靠性



Key Specifications:  Power-Supply Sequencers and Voltage Trackers
Part Number Option Interface Input Chan. VIN
(V)		 Features RoHS Available Industry Qualified Oper. Temp.
(°C)		 Package/Pins Smallest Available Pckg.
(mm2)
max max w/pins
MAX6877 
Sequence
Sequence and Track
Track
Factory Fixed
R/C Adjustable
 3 <6
Charge Pump Output
Enable Input
Reset Output
Slew Rate Control
 Yes - -40 to +85
TQFN/24
 16.8
MAX6878 
Sequence
Sequence and Track
Track
 2
Charge Pump Output
Enable Input
Reset Output
Slew Rate Control
 - -40 to +85
TQFN/24
 16.8
MAX6879 
Sequence
Sequence and Track
Track
 2
Charge Pump Output
Enable Input
Slew Rate Control
 - -40 to +85
TQFN/16
 16.8
MAX6880  Sequence 3
Charge Pump Output
Enable Input
Reset Output
Slew Rate Control
 - -40 to +85
TQFN/24
 16.8
MAX6881  Sequence 3
Charge Pump Output
Enable Input
Slew Rate Control
 - -40 to +85
TQFN/16
 16.8
MAX6882  Sequence 2
Charge Pump Output
Enable Input
Reset Output
Slew Rate Control
 - -40 to +85
TQFN/16
 16.8
MAX6883  Sequence 2
Charge Pump Output
Enable Input
Slew Rate Control
 - -40 to +85
TQFN/16
 16.8
MAX6895  Sequence 1
Enable Input
Overvoltage Detection
 Automotive - General -40 to +125
µDFN/6
TSOT/6
 8.3
MAX6896  Sequence 1
Enable Input
Overvoltage Detection
 Automotive - General -40 to +125
µDFN/6
TSOT/6
 8.3
MAX6897  Sequence 1
Enable Input
Overvoltage Detection
 Automotive - General -40 to +125
µDFN/6
TSOT/6
 8.3
MAX6898  Sequence 1
Enable Input
Overvoltage Detection
 Automotive - General -40 to +125
µDFN/6
TSOT/6
 8.3
MAX6899  Sequence 1
Enable Input
Overvoltage Detection
 Automotive - General -40 to +125
µDFN/6
TSOT/6
 8.3
MAX6391  Sequence 2 Reset Output -
-40 to +85
0 to +70
SOT/8
 9
MAX6392  Sequence 2 Reset Output -
-40 to +85
0 to +70
SOT/8
 9
MAX6819  Sequence 2 Enable Input Automotive - General
-40 to +85
-40 to +125
0 to +70
SOT/6
 9
MAX6820  Sequence 2 - Automotive - General
-40 to +85
-40 to +125
0 to +70
SOT/6
 9
See All Power-Supply Sequencers and Voltage Trackers (35)

Key Specifications:  Supervisors (1 Monitored Voltage)
Part Number Reset Thresh.
(V)		 Reset Out Reset Out tRESET Watchdog Feature Supervisor Features Reset Thresh. Accur.
(%)		 ICC
(µA)
Active Low Active High min @ +25°C max
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
1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
<1ms
>1s
Adjustable
 No Watchdog
Adjustable Reset Input
Overvoltage/Window Monitor
 1.8 20
MAX6896  Push-Pull -
MAX6897  - Open Drain
MAX6898  Open Drain -
MAX6899  - Push-Pull
See All Supervisors (1 Monitored Voltage) (274)

Key Specifications:  Supervisors (2 Monitored Voltages)
Part Number Interface Reset Thresh.
(V)		 Reset Out tRESET Watchdog Feature Supervisor Features Reset Thresh. Accur.
(%)		 ICC
(µA)
Active Low min @ +25°C max
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
85ms to 300ms
300ms to 1s
>1s
Adjustable
 No Watchdog Adjustable Reset Input 1.5 25
MAX6392 
Open Drain
Push-Pull
Adjustable Reset Input
Manual Reset
See All Supervisors (2 Monitored Voltages) (84)

Key Specifications:  Supervisors (4 Monitored Voltages)
Part Number Interface Reset Thresh.
(V)		 Reset Out tRESET Watchdog Feature Supervisor Features Reset Thresh. Accur.
(%)		 ICC
(µA)
Active Low min @ +25°C max
MAX16055 
Factory Fixed
R/C Adjustable
0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
Open Drain
Open Drain with Internal Pull-Up
 85ms to 300ms No Watchdog Manual Reset 1.5 55
See All Supervisors (4 Monitored Voltages) (26)

Key Specifications:  Supervisors (> 5 Monitored Voltages)
Part Number Monitored Voltages Interface Reset Thresh.
(V)		 Reset Out tRESET Watchdog Feature Supervisor Features ICC
(µA)
Active Low min max
MAX16055 
5
6
Factory Fixed
R/C Adjustable
0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
Open Drain
Open Drain with Internal Pull-Up
 85ms to 300ms No Watchdog Manual Reset 55
See All Supervisors (> 5 Monitored Voltages) (12)



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