 2004 Microchip Technology Inc.

DS21450C-page 3

TC650/TC651

1.0

ELECTRICAL

CHARACTERISTICS

Absolute Maximum Ratings†

Output Voltage (OUT to GND) ................................. 6V

Operating Temperature Range ......... –40

°C to +125°C

Storage Temperature ........................ –65

°C to +150°C

† Notice: Stresses above those listed under "Absolute Maxi-

mum Ratings" 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.

Exposure to Absolute Maximum Rating conditions for

extended periods may affect device reliability.

DC CHARACTERISTICS

Parameters

Sym

Min

Typ

Max

Units

Conditions

Supply Voltage

2.8

—

5.5

V

Supply Current

—50

90

µA

SHDN Input

SHDN Input High Threshold

65

—

—

SHDN Input Low Threshold

——

15

PWM Output

PWM Output Low Voltage

—

—

0.3

V

PWM Output High Voltage

—

—

V

PWM Rise Time

—10

—

µs

PWM to GND

PWM Fall Time

—10

—

µs

PWM to GND

PWM Frequency

10

15

—

Hz

Start-up Time

—

—sec

or SHDN Released

Temperature Accuracy

High Temperature Accuracy

°C

Note 1

–1.0

—

+1.0

°C

–2.5

—

+2.5

°C

Auto-shutdown Hysteresis

—

°C

TC651 Only

—

—

V

—

—

0.4

V

Absolute Accuracy

—

°C

At Trip Point

Trip Point Hysteresis

—5

—

°C

Note 1:

Transition from 90% to 100% Duty Cycle.