Datasheet > SGM810-ZXN3

SGM810-ZXN3

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
圣邦微 - SGMICRO		微处理器监控
页数	文件大小	规格书
9页	504K
描述
Microprocessor Supervisory Circuit in 3-Pin SOT23

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SGM810-ZXN3 数据手册

SGM803

SGM809

SGM810

Microprocessor Supervisory

Circuit in 3-Pin SOT23

GENERAL DESCRIPTION

FEATURES

− Precision Voltage Monitor: 2.5V,3 V, 3.3 V, 5 V

Options

− Superior Upgrade for MAX803/MAX809/MAX810

and SGM803/SGM809/SGM810

− Fully Specified over Temperature

− Low Power Consumption (17μA Typ)

− Reset Assertion Down to 1 V VCC

− 160 ms Min Power-On Reset

The SGM803/SGM809/SGM810 supervisory circuits

monitor the power supply voltage in microprocessor and

digital systems. They provide a reset output during

power-up, power-down and brownout conditions. On

power-up, an internal timer holds reset asserted for 240 ms.

This holds the microprocessor in a reset state until

conditions have stabilized. The

output remains

RESET

operational with V^CCas low as 1 V. The SGM803/SGM809

provides an active low reset signal ( ) while the

RESET

Open-Drain

Push-Pull

Push-Pull RESET Output (SGM810)

Output(SGM803)

RESET

Output (SGM809)

SGM810 provides an active high signal (RESET) output.

The SGM809/SGM810 have push-pull outputs, whereas the

SGM803 has an open-drain output, which requires an

external pull-up resistor.

RESET

− Compact 3-Pin SOT23 Package

Seven reset threshold voltage options are available suitable

for monitoring 2.5V, 3V, 3.3V, and 5V supply voltages.

The reset comparator features built-in glitch immunity,

making it immune to fast transients on V^CC

The low supply current of typically 17µA makes the

SGM803/SGM809/SGM810 ideal for use in portable, battery

operated equipment. They are available in the 3-pin SOT23

package.

PIN CONFIGURATIONS（TOP VIEW）

APPLICATIONS

GND

Microprocessor Systems

Controllers

SGM803

V_CC

SGM809

SGM810

Intelligent Instruments

Automotive Systems

Safety Systems

RESET/RESET

Portable Instruments

SOT23-3

TYPICAL OPERATION CIRCUIT

RESET

GND

SGM809-

ZXN3L

(only)

V_CC

SGM803/SGM809

RESET

V_CC

R_PULL-UP

MICROPROCESSOR

SYSTEM

SGM803 only

RESET

GND

SOT23-3(L-Type)

GND

REV. B

Shengbang Microelectronics Co, Ltd

Tel: 86/451/84348461

www.sg-micro.com

12 3 4 5 6 7...9

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