 2002 Microchip Technology Inc.

DS21448C-page 3

TC648

1.0

ELECTRICAL

CHARACTERISTICS

Absolute Maximum Ratings*

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

Package Thermal Resistance:

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

Symbol

Parameter

Min

Typ

Max

Units

Test Conditions

Supply Voltage

3.0

—

5.5

V

Supply Current, Operating

—

0.5

1.0

mA

Pins 6, 7 Open,

Supply Current, Shutdown/

Auto-shutdown Mode

—

25

—

µA

Pins 6, 7 Open;

Note 1

-1.0

—

+1.0

µA

Note 1

—

—

50

µsec IOH = 5 mA, Note 1

—

—

50

1.0

—

—

mA

Output

5.0

—

—

mA

SENSE Input

SENSE Input Threshold

Voltage with Respect to GND

50

70

90

mV

Note 1

OTF Output

Output Low Voltage

—

—

0.3

V

Cycle and Overtemp. Fault

2.5

2.65

2.8

V

1.3

1.4

1.5

V

Auto-shutdown Threshold

—

V

Ensure Reset/Shutdown

——

V

Release Reset Mode

—

—

V

—V

Hysteresis on Auto-shutdown

Comparator

—70

—

mV