Datasheet

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)
1) the minimum output capacitance requirement is applicable for a worst case capacitance tolerance of 30%
ESR(C
Q
) –3Ω –
2)
2) relevant ESR value at f =10kHz
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 Junction to Soldering Point
1)
1) not subject to production test, specified by design
R
thJSP
– – 30 K/W measured to pin 5
4.3.2 Junction to Ambient
1)
R
thJA
–63–K/W
2)
2) Specified R
thJA
value is according to Jedec JESD51-2,-5,-7 at natural convection on FR4 2s2p board; The Product
(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 Footprint only
3)
3) Specified R
thJA
value is according to JEDEC JESD 51-3 at natural convection on FR4 1s0p board; The Product
(Chip+Package) was simulated on a 76.2 × 114.3 × 1.5 mm
3
board with 1 copper layer (1 x 70µm Cu).
4.3.4 – 73 – K/W 300mm
2
heatsink area on
PCB
3)
4.3.5 – 65 – K/W 600mm
2
heatsink area on
PCB
3)
TLE42994EV33 (PG-SSOP-14 Exposed Pad)
4.3.6 Junction to Soldering Point
1)
R
thJSP
– 10 – K/W measured to all GND pins
4.3.7 Junction to Ambient
1)
R
thJA
–47–K/W
2)
4.3.8 – 140 – K/W Footprint only
3)
4.3.9 – 63 – K/W 300mm
2
heatsink area on
PCB
3)
4.3.10 – 53 – K/W 600mm
2
heatsink area on
PCB
3)