Datasheet > MIC2774H-31BM5

MIC2774H-31BM5

更新时间： 2024-09-18 10:32:11

品牌	Logo	应用领域
罗彻斯特 - ROCHESTER		光电二极管
页数	文件大小	规格书
9页	1413K
描述
2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5, SOT-23, 5 PIN

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MIC2774H-31BM5 数据手册

MIC2774

Micrel

Standard Voltage Options*

Voltage

Code

Typical

Application (V_DD

Nominal Threshold

)

Voltage (V_TH

)

5.0V ±5%

5.0V ±10%

3.3V ±5%

3.3V ±10%

3.0V ±5%

2.85V ±5%

2.70V ±5%

2.5V ±5%

2.4V ±5%

1.8V ±5%

4.68

4.43

3.09

2.93

2.81

2.67

2.53

2.34

2.25

1.69

*There are ten standard versions available with an order increment of 3000 pieces. Samples of standard versions are

normally available from stock. Contact factory for information on non-standard versions. Available in tape-and-reel only.

Pin Conﬁguration

/MR GND RST

/MR GND /RST

VDD

SOT-23-5 (M5)

“H” Version

SOT-23-5 (M5)

“L” and “N” Version

Pin Description

Pin Number

Pin Name

RST

Pin Function

MIC2774H

MIC2774L

MIC2774N

Digital (Output): Asserted high whenever V_INor V_DDfalls below the threshold

voltage. It will remain asserted for no less than 140ms after V_INand V_DD

return above the threshold limits.

/RST

Digital (Output): Asserted low whenever V_INor V_DDfalls below the threshold

voltage. It will remain asserted for no less than 140ms after V_INand V_DD

return above the threshold limits. (open-drain for “N” version)

GND

/MR

Ground

Digital (Input): Driving this pin low initiates immediate and unconditional re-

set. Assuming V_INand V_DDare above the thresholds when /MR is released

(returns high), the reset output will be de-asserted no less than 140ms later.

/MR may be driven by a logic signal or a mechanical switch. /MR has an

internal pull-up to V_DDand may be left open if unused.

Analog (Input): The voltage on this pin is compared to the internal 300mV

reference. An under-voltage condition will trigger a reset sequence.

VDD

Analog (Input): Power supply input for internal circuitry and input to the ﬁxed

voltage monitor. The voltage on this pin is compared against the internal

reference. An undervoltage condition will trigger a reset sequence.

M9999-102605

October 2005

1 234 5 6 7...9

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