Datasheet
Data Sheet 7 Rev. 1.1, 2010-01-13
TLE42744
General Product Characteristics
4.2 Functional Range
Note: Within the functional or operating range, the IC operates as described in the circuit description. The electrical
characteristics are specified within the conditions given in the Electrical Characteristics table.
4.3 Thermal Resistance
Note: This thermal data was generated in accordance with JEDEC JESD51 standards. For more information, go
to www.jedec.org.
Pos. Parameter Symbol Limit Values Unit Remarks
Min. Max.
4.2.1 Input voltage
V
I
5.5 40 V TLE42744DV50,
TLE42744GV50,
TLE42744EV50
4.2.2 Input voltage
V
I
4.7 40 V TLE42744GV33,
TLE42744DV33,
TLE42744GSV33
4.2.3 Output Capacitor’s
Requirements for Stability
C
Q
22 – µF
1)
1) the minimum output capacitance requirement is applicable for a worst case capacitance tolerance of 30%
4.2.4 ESR(C
Q
) –3Ω
2)
2) relevant ESR value at f =10kHz
4.2.5 Junction temperature T
j
-40 150 °C–
Pos. Parameter Symbol Limit Values Unit Conditions
Min. Typ. Max.
TLE42744DV50, TLE42744DV33 (PG-TO252-3)
4.3.1 Junction to Case
1)
R
thJC
– 3.6 – K/W measured to heat
slug
4.3.2 Junction to Ambient
1)
R
thJA
–27–K/W
2)
4.3.3 – 115 – K/W footprint only
3)
4.3.4 – 52 – K/W 300 mm² heatsink
area
3)
4.3.5 – 40 – K/W 600 mm² heatsink
area
3)
TLE42744GV50, TLE42744GV33 (PG-TO263-3)
4.3.6 Junction to Case
1)
R
thJC
– 3.6 – K/W measured to heat
slug
4.3.7 Junction to Ambient
1)
R
thJA
–22–
2)
4.3.8 – 74 – K/W footprint only
3)
4.3.9 – 42 – K/W 300 mm² heatsink
area
3)
4.3.10 – 34 – K/W 600 mm² heatsink
area
3)