MIC284-3BMM datasheet(3/20 Pages) MICREL

Part #	MIC284-3BMM

Description	Two-Zone Thermal Supervisor

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Manufacturer	MICREL [Micrel Semiconductor]

Direct Link	http://www.micrel.com

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September 2005

3

MIC284

Micrel, Inc.

Absolute Maximum Ratings (Note 1)

Power Supply Voltage, VDD..........................................6.0V

Voltage on Any Pin ................................–0.3V to VDD+0.3V

Current Into Any Pin ................................................ ±10 mA

Power Dissipation, TA = +125°C................................30mW

Junction Temperature.............................................. +150°C

Storage Temperature................................ –65°C to +150°C

ESD Ratings

(Note 3)

Human Body Model...................................................TBD V

Machine Model ..........................................................TBD V

Soldering

Vapor Phase (60 sec.) .............................. +220°C +5⁄–0°C

Infrared (15 sec.) ......................................+235°C +5⁄–0°C

Operating Ratings (Note 2)

Power Supply Voltage, VDD......................... +2.7V to +5.5V

Ambient Temperature Range (TA) .............-55°C to +125°C

Package Thermal Resistance (θJA)

SOP .................................................................+152°C/W

MSOP ..............................................................+206°C/W

Electrical Characteristics

2.7V ≤ VDD ≤ 5.5; TA = +25°C, bold values indicate –55°C ≤ TA ≤ +125°C, Note 4; unless noted.

Symbol

Parameter

Condition

Min

Typ

Max

Units

Power Supply

IDD

Supply Current

/INT, open, A0 = VDD or GND,

350

750

µA

CLK = DATA = high, normal mode

/INT, /CRIT open, A0 = VDD or GND

shutdown mode, CLK = 100kHz

3

µA

/INT, /CRIT open, A0 = VDD or GND

shutdown mode, CLK = DATA = high

1

10

µA

tPOR

Power-On Reset Time,

Note 7

VDD > VPOR

200

µs

VPOR

Power-On Reset Voltage

all registers reset to default values,

2.0

2.7

V

A/D conversions initiated

VHYST

Power-On Reset

Hysteresis Voltage

250

mV

Temperature-to-Digital Converter Characteristics

Accuracy—Local Temperature

0°C ≤ TA ≤ +100°C, /INT and /CRIT open,

±1

±2

°C

Note 4, 9

3V ≤ VDD ≤ 3.6V

–55°C ≤ TA ≤ +125°C, /INT and /CRIT open,

±2

±3

°C

3V ≤ VDD ≤ 3.6V

Accuracy—Remote Temperature

0°C ≤ TD ≤ +100°C, /INT and /CRIT open,

±1

±3

°C

Note 4, 5, 9

3V ≤ VDD ≤ 3.6V, 0°C ≤ TA ≤ +85°C

–55°C ≤ TD ≤ +125°C, /INT and /CRIT open,

±2

±5

°C

3V ≤ VDD ≤ 3.6V, 0°C ≤ TA ≤ +85°C

tCONV0

Conversion Time, local zone

50

80

ms

Note 7

tCONV1

Conversion Time, remote zone

Note 7

100

160

ms

Remote Temperature Input (T1)

IF

Current to External Diode

high level, T1 forced to 1.5V

224

400

µA

Note 7

low level

7.5

14

µA

Address Input (A0)

VIL

Low Input Voltage

2.7V ≤ VDD ≤ 5.5V

0.6

V

VIH

High Input Voltage

2.7V ≤ VDD ≤ 5.5V

2.0

V

CIN

Input Capacitance

10

pF

ILEAK

Input Current

±0.01

±1

µA

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