9

4670D–BCD–04/07

T6817

4

Thermal Prewarning and Shutdown

4.1

Thermal prewarning

125

145

165

°C

A

4.2

Thermal prewarning

105

125

145

°C

A

4.3

Thermal prewarning

hysteresis

∆T

jPW

320

K

A

4.4

Thermal shutdown

T

j switch off

150

170

190

°C

A

4.5

Thermal shutdown

T

j switch on

130

150

170

°C

A

4.6

Thermal shutdown

hysteresis

∆T

j switch off

320

K

A

4.7

Ratio thermal

shutdown/thermal

prewarning

T

j switch off/

T

jPW set

1.05

1.17

A

4.8

Ratio thermal

shutdown/thermal

prewarning

T

jPW reset

1.05

1.2

A

5

5.1

On resistance

I

8, 15,

17

R

DS OnL

1.5

Ω

A

5.2

On resistance

12, 14,

16

2.0

Ω

A

5.3

Output clamping

voltage

I

8, 15,

17

V

LS1-3

40

60

V

A

5.4

Output leakage

current

all output stages off

8, 15,

17

10

µA

A

5.5

Output leakage

current

all output stages off

2, 3,

12, 13,

15, 28

–10

µA

A

5.7

Inductive shutdown

energy

8, 12,

14 to

17

W

outx

15

mJ

D

5.8

Output voltage edge

steepness

8, 12,

14 to

17

dV

50

200

400

mV/µs

A

5.9

Overcurrent limitation

and shutdown

threshold

8, 15,

17

650

950

1250

mA

A

5.10

Overcurrent limitation

and shutdown

threshold

12, 14,

16

I

HS1–3

–1250

–950

–650

mA

A

5.11

Overcurrent

shutdown delay time

Input register

bit 14 (SCT) = high

bit 14 (SCT) = low

t

dSd

70

8.75

100

140

17.5

ms

ms

A

A

5.12

Open load detection

current

Input register bit 13

(OLD) = low, output off

8, 15,

17

I

LS1–3

60

200

µA

A

8.

Electrical Characteristics (Continued)

No.

Parameters

Test Conditions

Pin

Symbol

Min.

Typ.

Max.

Unit

Type*

*) Type means: A =100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter

Note:

1. Delay time between rising edge of CS after data transmission and switch on/off output stages to 90% of final level