MGSF1N02E View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

MGSF1N02E

PWM Fan Speed Controller with FanSense™ Technology

Microchip Technology 

TC642

1.0 ELECTRICAL

CHARACTERISTICS

Absolute Maximum Ratings*

Supply Voltage ......................................................... 6V

Input Voltage, Any Pin.... (GND – 0.3V) to (VDD +0.3V)

Package Thermal Resistance:

PDIP (RθJA)............................................. 125°C/W

SOIC (RθJA) ............................................ 155°C/W

MSOP (RθJA) .......................................... 200°C/W

Specified Temperature Range ........... -40°C to +125°C

Storage Temperature Range.............. -65°C to +150°C

*Stresses above those listed under "Absolute Maximum Rat-

ings" may cause permanent damage to the device. These are

stress ratings only and functional operation of the device at

these or any other conditions above those indicated in the

operation sections of the specifications is not implied. Expo-

sure to absolute maximum rating conditions for extended peri-

ods may affect device reliability.

ELECTRICAL SPECIFICATIONS

Electrical Characteristics: TMIN < TA < TMAX, VDD = 3.0V to 5.5V, unless otherwise specified.

Symbol

Parameter

Min

Typ

Max

Units

Test Conditions

VDD

IDD

IDD(SHDN)

Supply Voltage

Supply Current, Operating

Supply Current, Shutdown Mode

IIN

VIN, VMIN Input Leakage

VOUT Output

tR

tF

tSHDN

VOUT Rise Time

VOUT Fall Time

Pulse Width (On VMIN) to

Clear Fault Mode

IOL

Sink Current at VOUT Output

IOH

Source Current at VOUT Output

VIN, VMIN Inputs

VC(MAX), VOTF Input Voltage at VIN or VMIN

for 100% PWM Duty Cycle

VC(SPAN)

VSHDN

VC(MAX) - VC(MIN)

Voltage Applied to VMIN to

ensure Shutdown Mode

VREL

Voltage Applied to VMIN to

Release Shutdown Mode

3.0

—

—

0.5

—

25

- 1.0

—

—

—

—

—

30

—

1.0

—

5.0

—

2.5

2.65

1.3

1.4

—

—

VDD x 0.19 —

5.5

1.0

—

+1.0

50

50

—

—

—

2.8

1.5

VDD x 0.13

—

V

mA

µA

µA

µsec

µsec

µsec

mA

mA

V

V

V

V

Pins 6, 7 Open,

CF = 1 µF, VIN = VC(MAX)

Pins 6, 7 Open,

CF = 1 µF, VMIN = 0.35V,

Note 1

Note 1

IOH = 5 mA, Note 1

IOL = 1 mA, Note 1

VSHDN, VHYST Specifications,

Note 1

VOL = 10% of VDD

VOH = 80% of VDD

VDD = 5V

Pulse Width Modulator

FPWM

SENSE Input

PWM Frequency

26

30

34

Hz CF = 1.0 µF

VTH(SENSE)

SENSE Input Threshold

Voltage with Respect to GND

50

70

90

mV Note 1

FAULT Output

VOL

Output Low Voltage

tMP

Missing Pulse Detector Timer

tSTARTUP

Start-up Timer

tDIAG

Diagnostic Timer

Note 1: Ensured by Design, not tested.

—

—

0.3

—

32/F

—

—

32/F

—

—

3/F

—

V IOL = 2.5 mA

Sec

Sec

Sec

 2002 Microchip Technology Inc.

DS21444C-page 3

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