TL594

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

2 of 9

www.unisonic.com.tw

QW-R103-031.B

PIN CONFIGURATION

7

6

5

4

3

2

1

14

13

12

10

11

15

16

1IN+

1IN-

FEEDBACK

DTC

CT

RT

GND

2IN+

2IN-

OUTPUT CTRL

C2

REF

E2

9

C1

E1

PIN NO

PIN NAME

DESCRIPTION

1

1IN+

The noninv input of error amp 1

2

1IN-

The inv input of error amp 1

3

REEDBACK

Input of Feedback PWM Comparator

4

DTC

The deadtime can be set by changing the voltage of this pin

5

CT

A capacitor connected to this pin sets the fixed switching frequency

6

RT

A resistor connected to this pin sets the fixed switching frequency

7

GND

This is gnd pin

8

C1

Collector of output transistors Q1

9

E1

Emitter of output transistors Q1

10

E2

Emitter of output transistors Q2

11

C2

Collector of output transistors Q2

12

VCC

This pin is connected to the IC supply power.

13

Output CTRL

A external signal connect to this pin can control the state of output

14

REF

Internal reference voltage 5V with 1.5% accuracy

15

2IN-

The inv input of error amp 2

16

2IN+

The noninv input of error amp 2