TC648VPA データシートの表示（PDF） - Microchip Technology

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TC648VPA

Fan Speed Controller with Auto-Shutdown and Over-Temperature Alert

Microchip Technology 

TC648

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.

DC ELECTRICAL SPECIFICATIONS

Electrical Characteristics: Unless otherwise specified, TMIN ≤ TA ≤ TMAX, VDD = 3.0V to 5.5V

Symbol

Parameter

Min

Typ

Max

Units

Test Conditions

VDD

Supply Voltage

3.0

IDD

Supply Current, Operating

—

IDD(SHDN)

Supply Current, Shutdown/

—

Auto-shutdown Mode

IIN

VIN, VAS Input Leakage

-1.0

VOUT Output

tR

VOUT Rise Time

—

tF

VOUT Fall Time

—

IOL

Sink Current at VOUT Output

1.0

IOH

Source Current at VOUT

5.0

Output

—

5.5

V

0.5

1.0

mA Pins 6, 7 Open,

CF = 1 µF, VIN = VC(MAX)

25

—

µA Pins 6, 7 Open;

Note 1

CF =1 µF, VIN = 0.35V

—

+1.0

µA Note 1

—

50

µsec IOH = 5 mA, Note 1

—

50

µsec IOL = 1 mA, Note 1

—

—

mA VOL = 10% of VDD

—

—

mA VOH = 80% of VDD

SENSE Input

VTH(SENSE) SENSE Input Threshold

50

Voltage with Respect to GND

70

90

mV Note 1

OTF Output

VOL

Output Low Voltage

VIN, VAS Inputs

VC(MAX),VOTF Voltage at VIN for 100% Duty

Cycle and Overtemp. Fault

VC(SPAN)

VAS

VC(MAX) - VC(MIN)

Auto-shutdown Threshold

VSHDN

Voltage Applied to VIN to

Ensure Reset/Shutdown

VREL

Voltage Applied to VIN to

Release Reset Mode

VHYST

VHAS

Hysteresis on VSHDN, VREL

Hysteresis on Auto-shutdown

Comparator

Note 1: Ensured by design, not tested.

—

—

0.3

V IOL = 2.5 mA

2.5

2.65

2.8

V

1.3

VC(MAX) ~

VC(SPAN)

—

VDD x 0.19

—

—

1.4

1.5

V

—

VC(MAX)

V

—

VDD x 0.13 V

—

—

V VDD = 5V

0.01 x VDD

—

V

70

—

mV

 2002 Microchip Technology Inc.

DS21448C-page 3

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