LM494

Symbol

Parameter

Conditions

Min

Typ

Max

Units

PWM COMPARATOR SECTION

(Figure 9)

Inhibit Threshold Voltage

Zero Duty Cycle

40

45

V

Output Sink Current

b

02

b

06

mA

(Note 4)

Output Source Current

20

mA

(Note 4)

OUTPUT SECTION

Output Saturation

Voltage Common Emitter

b

11

13

Configuration

(Figure 3)

V

Emitter Follower

15

25

Configuration

(Figure 4)

Collector Off-State Current

20

100

m

A

Emitter Off-State Current

b

100

m

A

b

OUTPUT CONTROL

(Figure 6)

Output Control Voltage

Required for Single Ended or

04

V

Parallel Output Operation

Output Control Voltage

Required for Push-Pull

24

V

Operation

TOTAL DEVICE

Standby Power Supply Current

60

10

mA

OUTPUT AC CHARACTERISTICS

Rise Time of Output Voltage

Common Emitter Configuration

100

200

(Figure 3)

ns

Emitter Follower Configuration

100

200

(Figure 4)

Fall Time of Output Voltage

Common Emitter Configuration

25

100

(Figure 3)

ns

Emitter Follower Configuration

40

100

(Figure 4)

Note 1

Note 2

Ratings apply to ambient temperature at 25 C Above this temperature derate the 16L-Ceramic DIP at 10 mW C and the 16L-Molded DIP at 83 mW C

Note 3

Selected devices with tightened tolerance reference voltage available

Note 4

These limits apply when the voltage measured at Lead 3 is within the range specified

3