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シングル低電圧監視回路

データシート

表示

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

プッシュボタン付き、3.3Vエコノリセット
DS1818

QV PDF

プッシュプル出力、3.3Vエコノリセット
DS1815

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

Monitored Voltages

Manual Reset Feature

MR1 Setup Time

Reset Thresh.
(V)

Reset Out

t_RESET

Reset Thresh. Accur.
(%)

I_CC
(µA)

Package/Pins

Active Low

min

@ +25°C

max

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 Thresh.
(V)

Reset Out

t_RESET

Watchdog Feature

Supervisor Features

Reset Thresh. Accur.
(%)

I_CC
(µA)

Active Low

Active High

min

@ +25°C

max

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

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

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

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

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

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

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

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

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

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

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

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

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

Adjustable Reset Input

2.5

DS1815

2.5 to 3.3

Push-Pull

85ms to 300ms

2.5

DS1818

2.5 to 3.3

Open Drain

85ms to 300ms

Manual Reset

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

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

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

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

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

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

Manual Reset

1.5

See All Supervisors (1 Monitored Voltage) (274)

Key Specifications: Supervisors (2 Monitored Voltages)

Part Number

Interface

Reset Thresh.
(V)

Reset Out

t_RESET

Watchdog Feature

Supervisor Features

Reset Thresh. Accur.
(%)

I_CC
(µA)

Active Low

Active High

min

@ +25°C

max

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

Push-Pull

Adjustable Reset Input

MAX6389

Open Drain

Adjustable Reset Input

See All Supervisors (2 Monitored Voltages) (84)