Datasheet > MAX6869UK36D5L

MAX6869UK36D5L

更新时间： 2023-08-15 00:00:00

品牌	Logo	应用领域
美信 - MAXIM		信息通信管理光电二极管
页数	文件大小	规格书
17页	489K
描述
Power Supply Management Circuit, Fixed, 1 Channel, BICMOS, PDSO5, MO-178AA, SOT-23, 5 PIN

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MAX6869UK36D5L 数据手册

Nanopower µP Supervisory Circuits with

Manual Reset and Watchdog Timer

input at different points in the program, rather than

Table 2. Threshold Suffix Guide

pulsing the watchdog input high-low-high or low-high-

low. This technique avoids a stuck loop, in which the

watchdog timer would continue to be reset inside the

loop, keeping the watchdog from timing out.

THRESHOLD FALLING

SUFFIX

UNITS

MIN

TYP

MAX

225

4.509

4.388

4.266

4.193

4.095

3.998

3.900

3.802

3.705

3.608

3.510

3.413

3.315

3.218

3.120

2.998

2.925

2.852

2.730

2.633

2.559

2.438

2.340

2.255

2.180

2.133

2.048

1.950

1.853

1.755

1.623

1.536

4.625

4.500

4.375

4.300

4.200

4.100

4.000

3.900

3.800

3.700

3.600

3.500

3.400

3.300

3.200

3.075

3.000

2.925

2.800

2.700

2.625

2.500

2.400

2.313

2.235

2.188

2.100

2.000

1.900

1.800

1.665

1.575

4.741

4.613

4.484

4.408

4.305

4.203

4.100

3.998

3.895

3.793

3.690

3.588

3.485

3.383

3.280

3.152

3.075

2.998

2.870

2.768

2.691

2.563

2.460

2.371

2.290

2.243

2.153

2.050

1.948

1.845

1.707

1.614

Figure 6 shows an example of a flow diagram where

the I/O driving the watchdog input is set high at the

beginning of the program, set low at the beginning of

every subroutine or loop, then set high again when the

program returns to the beginning. If the program

should hang in any subroutine, the problem would

quickly be corrected, since the I/O is continually set low

and the watchdog timer is allowed to time out, causing

a reset or interrupt to be issued.

START

SET WDI

HIGH

PROGRAM

CODE

SUBROUTINE OR

PROGRAM LOOP

SET WDI LOW

RETURN

Figure 6. Watchdog Flow Diagram

Table 3. Watchdog Timeout

WATCHDOG TIMEOUT PERIOD

SUFFIX

MIN

1.5

TYP

3.3

MAX

7.75

487

UNITS

209

______________________________________________________________________________________ 13

1...10 11 121314 15 16 17

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与MAX6869UK36D5L相关器件

型号	品牌	获取价格	描述	数据表
MAX6869UK36D5L+	MAXIM	获取价格	Power Supply Management Circuit, Fixed, 1 Channel, BICMOS, PDSO5, LEAD FREE, MO-178AA, SOT
MAX6869UK36D5L+T	MAXIM	获取价格	Power Supply Management Circuit, Fixed, 1 Channel, BICMOS, PDSO5, LEAD FREE, MO-178AA, SOT
MAX6869UK36D5L-T	MAXIM	获取价格	Power Supply Management Circuit, Fixed, 1 Channel, BICMOS, PDSO5, MO-178AA, SOT-23, 5 PIN
MAX6869UK36D5S+	MAXIM	获取价格	Power Supply Management Circuit, Fixed, 1 Channel, BICMOS, PDSO5, LEAD FREE, MO-178AA, SOT
MAX6869UK36D5S+T	MAXIM	获取价格	Power Supply Management Circuit, Fixed, 1 Channel, BICMOS, PDSO5, LEAD FREE, MO-178AA, SOT
MAX6869UK36D6S+T	MAXIM	获取价格	Power Supply Management Circuit, Fixed, 1 Channel, BICMOS, PDSO5, LEAD FREE, MO-178AA, SOT
MAX6869UK37D1L	MAXIM	获取价格	Power Supply Management Circuit, Fixed, 1 Channel, BICMOS, PDSO5, MO-178AA, SOT-23, 5 PIN
MAX6869UK37D1L+	MAXIM	获取价格	Power Supply Management Circuit, Fixed, 1 Channel, BICMOS, PDSO5, LEAD FREE, MO-178AA, SOT
MAX6869UK37D1S	MAXIM	获取价格	Power Supply Management Circuit, Fixed, 1 Channel, BICMOS, PDSO5, MO-178AA, SOT-23, 5 PIN
MAX6869UK37D1S+	MAXIM	获取价格	Power Supply Management Circuit, Fixed, 1 Channel, BICMOS, PDSO5, LEAD FREE, MO-178AA, SOT

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