Datasheet > SGM895

SGM895

更新时间： 2024-11-25 11:15:39

品牌	Logo	应用领域
圣邦微 - SGMICRO		/
页数	文件大小	规格书
19页	879K
描述
Ultra-Small, Supervisory Circuit with Adjustable Sequencing

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SGM895 数据手册

SGM895/SGM896/SGM897/SGM898/SGM899

Ultra-Small, Supervisory Circuits

with Adjustable Sequencing

GENERAL DESCRIPTION

FEATURES

The SGM895/SGM896/SGM897/SGM898/SGM899 are

ultra-small, low-power and high-accuracy micro-

processor supervisory circuits with adjustable

sequencing capability. Since the high-impedance

detection input pin (IN) with a 0.5V threshold voltage is

separated from the power supply, these devices

provide great flexibility with adjustable thresholds by

using an external resistive divider. Moreover, the delay

time can be adjusted by an external capacitor

connected to the CDELAY pin. The devices are

suitable for some power sequencing, reset sequencing

and power-switching equipment.

● High Voltage Threshold Accuracy:

 +25℃: ±1%

 -40℃ to +125℃: ±1.6%

● Low Power Consumption: 2.1μA (TYP)

● Operating Supply Voltage Range: 1.6V to 5.5V

● Capacitor-Adjustable Delay

● Enable Input Options:

 Active-High: SGM895 and SGM897

 Active-Low: SGM896, SGM898 and SGM899

● Output Options:

 Active-High Push-Pull: SGM895 and SGM899

 Active-Low Push-Pull: SGM896

 Active-High Open-Drain (28V Tolerant): SGM897

 Active-Low Open-Drain (28V Tolerant): SGM898

● Available in Ultra-Small Green UTDFN-1.45×1-6AL

and TSOT-23-6 Packages

When the input voltage at IN (V_IN) exceeds the V_TH

threshold voltage (0.5V, TYP) and the ENABLE input is

high (or nENABLE is low), the OUT is high (or nOUT is

low). When V_INis lower than V_TL(0.495V, TYP) or when

the ENABLE input is low (or nENABLE is high), the

OUT is low (or nOUT is high). The devices all have a

capacitor-adjustable input delay time (t_DELAY) between

V_INgreater than V_THand the output assertion. The

SGM89_A has a capacitor-adjustable enable output

delay time while the SGM89_P has a 350ns (TYP) fixed

delay time.

APPLICATIONS

Portable Equipment

Computers

μC Power Monitoring

Automotive Applications

Medical Equipment

Intelligent Instruments

All devices are available in ultra-small Green

UTDFN-1.45×1-6AL and TSOT-23-6 packages.

TYPICAL APPLICATION

1.6V to 5.5V

V_CC

100nF

R₁

R₂

ENABLE

SGM895

OUT

CDELAY

C_CDELAY

GND

Figure 1. Typical Application Circuit of SGM895

SG Micro Corp

MAY 2023–REV. A.4

www.sg-micro.com

12 3 4 5 6 7...19

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