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マキシム > ソリューション > IP電話

パワーシーケンサ/リセットシーケンサ

データシート
表示 タイトル/製品 主な特長
QV  PDF デュアル/トリプル電圧、電源シーケンサ/監視回路
MAX6880, MAX6881, MAX6882, MAX6883
QV  PDF デュアル/トリプル電圧、電源トラッカ/シーケンサ/監視回路
MAX6877, MAX6878, MAX6879
QV  PDF 超小型、調整可能なシーケンス/監視回路
MAX6895, MAX6896, MAX6897, MAX6898, MAX6899
QV  PDF デュアル電圧µP監視回路、シーケンスリセット出力付
MAX6391, MAX6392
QV  PDF 電源シーケンサ、SOT23パッケージ
MAX6819, MAX6820

システム信頼性を高めるデュアル/マルチ電圧システム用電源シーケンサ、パワーオン/パワーオフ特性を制御



Key Specifications:  Power-Supply Sequencers and Voltage Trackers
Part Number Option Interface Input Chan. VIN
(V)		 Features RoHS Available Industry Qualified Package/Pins Smallest Available Pckg.
(mm2)		 Oper. Temp.
(°C)
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 -
TQFN/24
 17 -40 to +85
MAX6878 
Sequence
Sequence and Track
Track
 2
Charge Pump Output
Enable Input
Reset Output
Slew Rate Control
 -
TQFN/24
 17 -40 to +85
MAX6879 
Sequence
Sequence and Track
Track
 2
Charge Pump Output
Enable Input
Slew Rate Control
 -
TQFN/16
 17 -40 to +85
MAX6880  Sequence 3
Charge Pump Output
Enable Input
Reset Output
Slew Rate Control
 -
TQFN/24
 17 -40 to +85
MAX6881  Sequence 3
Charge Pump Output
Enable Input
Slew Rate Control
 -
TQFN/16
 17 -40 to +85
MAX6882  Sequence 2
Charge Pump Output
Enable Input
Reset Output
Slew Rate Control
 -
TQFN/16
 17 -40 to +85
MAX6883  Sequence 2
Charge Pump Output
Enable Input
Slew Rate Control
 -
TQFN/16
 17 -40 to +85
MAX6895  Sequence 1
Enable Input
Overvoltage Detection
 Automotive - General
µDFN/6
TSOT/6
 2 -40 to +125
MAX6896  Sequence 1
Enable Input
Overvoltage Detection
 Automotive - General
µDFN/6
TSOT/6
 2 -40 to +125
MAX6897  Sequence 1
Enable Input
Overvoltage Detection
 Automotive - General
µDFN/6
TSOT/6
 2 -40 to +125
MAX6898  Sequence 1
Enable Input
Overvoltage Detection
 Automotive - General
µDFN/6
TSOT/6
 2 -40 to +125
MAX6899  Sequence 1
Enable Input
Overvoltage Detection
 Automotive - General
µDFN/6
TSOT/6
 2 -40 to +125
MAX6391  Sequence 2 Reset Output -
SOT/8
 9
-40 to +85
0 to +70
MAX6392  Sequence 2 Reset Output -
SOT/8
 9
-40 to +85
0 to +70
MAX6819  Sequence 2 Enable Input Automotive - General
SOT/6
 9
-40 to +85
-40 to +125
0 to +70
MAX6820  Sequence 2 - Automotive - General
SOT/6
 9
-40 to +85
-40 to +125
0 to +70
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)



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