STV9381

4/8

Figure 2. Rth with “on board” Square Heatsink vs. copper area

3

ABSOLUTE MAXIMUM RATINGS

Note: 1

During the flyback with Vcc=±18V, the maximum output voltage (pin 4) is close to 72V, with respect to -Vcc

(pins 1, 2, 3, 18, 19, 20).

4

THERMAL DATA

Pins 1, 2, 3, 18, 19, 20 are internally connected together and participate to heat evacuation.

Symbol

Parameter

Value

Unit

VCC

DC Supply Voltage

±20

V

Storage and Junction Temperature

-40 to +150

°C

Operating Temperature Range

0 to +70

°C

VESD

ESD Susceptibility - Human Body Model (100 pF discharge through

1.5 k

Ω)

±2

kV

Iout

Output current

±2

A

Vout

Maximum output voltage (pin 4) with respect to -Vcc

80

V

Symbol

Parameter

Value

Unit

Thermal resistance Junction to ambient

70

°C/W

0

4

8

12

40

50

60

70

(°C/W)

COPPER AREA 35

µm

THICKNESS

PC BOARD

2