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シングル低電圧監視回路

データシート

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タイトル/製品

主な特長

QV PDF

超低電圧µPリセット回路および電圧検出器
MAX6841, MAX6842, MAX6843, MAX6844, MAX6845

外付け部品不要で、最低0.9Vまで電源を監視する超低電圧SC70 µP監視回路

QV PDF

超低電圧、SC70、電圧検出器およびµPリセット回路
MAX6832, MAX6833, MAX6834, MAX6835, MAX6836, MAX6837, MAX6838, MAX6839, MAX6840

QV PDF

シングル/デュアル低電圧、低電力µPリセット回路、SC70/µDFNパッケージ
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. I_CC (µA)

Package

MAX6390

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

µDFN/6
SC70/4

See All Pushbutton Devices (17)

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. I_CC (µA)

MAX6841

0 to 1.2
1.2 to 1.8

Push-Pull

1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s

No Watchdog

Manual Reset

2.5

MAX6842

0 to 1.2
1.2 to 1.8

Open Drain

Push-Pull

1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s

No Watchdog

Manual Reset

2.5

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

1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s

No Watchdog

Adjustable Reset Input
Manual Reset

2.5

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

1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s

No Watchdog

Adjustable Reset Input
Manual Reset

2.5

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

1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s

No Watchdog

Adjustable Reset Input
Manual Reset

2.5

MAX6832

0 to 1.2
1.2 to 1.8

Push-Pull

1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s

No Watchdog

1.5

MAX6833

0 to 1.2
1.2 to 1.8

Push-Pull

1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s

No Watchdog

1.5

MAX6834

0 to 1.2
1.2 to 1.8

Open Drain

1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s

No Watchdog

1.5

MAX6835

0 to 1.2
1.2 to 1.8

Push-Pull

1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s

No Watchdog

Manual Reset

2.5

MAX6836

0 to 1.2
1.2 to 1.8

Push-Pull

1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s

No Watchdog

Manual Reset

1.5

MAX6837

0 to 1.2
1.2 to 1.8

Open Drain

1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s

No Watchdog

Manual Reset

1.5

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

1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s

No Watchdog

Adjustable Reset Input

1.5

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

1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s

No Watchdog

Adjustable Reset Input

2.5

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

1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s

No Watchdog

Adjustable Reset Input

2.5

MAX6381

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
>1s

No Watchdog

1.5

MAX6382

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
>1s

No Watchdog

1.5

MAX6383

1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Open Drain

1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s

No Watchdog

1.5

MAX6384

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
>1s

No Watchdog

Manual Reset

1.5

MAX6385

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
>1s

No Watchdog

Manual Reset

1.5

MAX6386

1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Open Drain

1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s

No Watchdog

Manual Reset

1.5

See All Supervisors (1 Monitored Voltage) (270)

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. I_CC (µA)

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

1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s

No Watchdog

Adjustable Reset Input
Manual Reset

1.5

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

1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s

No Watchdog

Adjustable Reset Input

1.5

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

1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s

No Watchdog

Adjustable Reset Input

1.5

See All Supervisors (2 Monitored Voltages) (84)