Data Sheet

8

Rev. 1.01, 2010-10-14

TLE42994V33

General Product Characteristics

4.2

Functional Range

Note: Within the functional range the IC operates as described in the circuit description. The electrical

characteristics are specified within the conditions given in the related electrical characteristics table.

4.3

Thermal Resistance

Pos.

Parameter

Symbol

Limit Values

Unit

Conditions

Min.

Max.

4.2.1

Input Voltage

V

I

4.4

45

V

–

4.2.2

Output Capacitor’s Requirements

for Stability

C

Q

22

–

µF

1) the minimum output capacitance requirement is applicable for a worst case capacitance tolerance of 30%

ESR(C

–3

Ω

2) relevant ESR value at

4.2.3

Junction Temperature

T

j

-40

150

°C–

Pos.

Parameter

Symbol

Limit Value

Unit

Conditions

Min.

Typ.

Max.

TLE42994GMV33 (PG-DSO-14)

4.3.1

1) not subject to production test, specified by design

R

thJSP

–

–

30

K/W

measured to pin 5

4.3.2

Junction to Ambient1)

R

thJA

–63

–

K/W

2)

2) Specified

R

(Chip+Package) was simulated on a 76.2 x 114.3 x 1.5 mm³ board with 2 inner copper layers (2 x 70µm Cu, 2 x 35µm Cu).

Where applicable a thermal via array under the exposed pad contacted the first inner copper layer.

4.3.3

–

112

–

K/W

3) Specified

R

(Chip+Package) was simulated on a 76.2

4.3.4

–

73

–

K/W

PCB3)

4.3.5

–

65

–

K/W

PCB3)

TLE42994EV33 (PG-SSOP-14 Exposed Pad)

4.3.6

Junction to Soldering Point1)

R

thJSP

–

10

–

K/W

measured to all GND pins

4.3.7

Junction to Ambient1)

R

thJA

–47

–

K/W

2)

4.3.8

–

140

–

K/W

Footprint only3)

4.3.9

–

63

–

K/W

PCB3)

4.3.10

–

53

–

K/W

PCB3)