L6208 データシートの表示（PDF） - STMicroelectronics

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L6208

DMOS driver for bipolar stepper motor

STMicroelectronics 

L6208

Maximum ratings

Table 3. Thermal data

Symbol

Description

PowerDIP24 SO24 PowerSO36 Unit

Rth-j-pins Maximum thermal resistance junction pins

18

14

-

C/W

Rth-j-case

Rth-j-amb1

Rth-j-amb1

Rth-j-amb1

Rth-j-amb2

Maximum thermal resistance junction case

Maximum thermal resistance junction ambient(1)

Maximum thermal resistance junction ambient(2)

Maximum thermal resistance junction ambient(3)

Maximum thermal resistance junction ambient(4)

-

-

1

C/W

43

51

-

C/W

-

-

35

C/W

-

-

15

C/W

58

77

62

C/W

1. Mounted on a multilayer FR4 PCB with a dissipating copper surface on the bottom side of 6 cm2 (with a thickness

of 35 µm).

2. Mounted on a multilayer FR4 PCB with a dissipating copper surface on the top side of 6 cm2 (with a thickness of 35 µm).

3. Mounted on a multilayer FR4 PCB with a dissipating copper surface on the top side of 6 cm2 (with a thickness of 35 µm),

16 via holes and a ground layer.

4. Mounted on a multilayer FR4 PCB without any heat sinking surface on the board.

DocID7514 Rev 2

5/35

35

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