TLD5085EJ Infineon Technologies, TLD5085EJ Datasheet - Page 6

• Manufacturer Part Number: TLD5085EJ
• Description: IC DC-DC CONV STP-DWN 1.8A DSO8
• Manufacturer: Infineon Technologies

Specifications of TLD5085EJ

• Constant Current: Yes
• Constant Voltage: Yes
• Topology: PWM, Step-Down (Buck), Switched Capacitor (Charge Pump)
• Number Of Outputs: 1
• Internal Driver: *
• Type - Primary: Automotive
• Frequency: 370kHz
• Voltage - Supply: 4.75 V ~ 45 V
• Voltage - Output: 0.6 V ~ 16 V
• Mounting Type: Surface Mount
• Package / Case: DSO-8
• Current - Output / Channel: 1.8A
• Internal Switch(s): *
• Efficiency: *
• Packages: PG-DSO-8
• Vs (min): 4.75 V
• Vs (max): 45.0 V
• Vq (max): -
• Iq (max): 1,800.0 mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Operating Temperature: -
• Lead Free Status / Rohs Status: Details

4.2
Pos.
4.2.1
4.2.2
4.2.3
4.2.4
4.2.5
4.2.6
1) See section
Note: Within the functional range the IC operates as described in the circuit description. The electrical
4.3
Note: This thermal data was generated in accordance with JEDEC JESD51 standards.
Pos.
4.3.1
4.3.2
1) Not subject to production test, specified by design.
2) Specified
3) Specified RthJA value is according to Jedec JESD51-2,-5,-7 at natural convection on FR4 2s2p board; The Product
Datasheet
ambient temperature). Ta=25°C, power-switch is dissipating 1W.
(Chip+Package) was simulated on a 76.2 x 114.3 x 1.5 mm board with 2 inner copper layers (2 x 70µm Cu, 2 x 35µm Cu).
According to JESD51-5 a thermal via array under the exposed pad contacted the first inner copper layer. Ta=25°C, power-
switch is dissipating 1W.
characteristics are specified within the conditions given in the related electrical characteristics table.
For more information, go to www.jedec.org.
Parameter
Supply Voltage
Output Voltage adjust range
External buck inductor
External buck capacitor
External buck capacitor ESR
Junction Temperature
Parameter
Junction to Case
Junction to Ambient (2s2p)
R
Functional Range
Thermal Resistance
thJC
““Application Information” on Page
value is simulated at natural convection on a cold plate setup (all pins and the exposed pad are fixed to
Symbol
V
V
L
C
ESR
T
Symbol
R
R
BU
j
S
CC
thJC
thJA
BU1
11” for loop compensation requirements.
BU1
6
Min.
4.75
0.60
18
33
–
-40
Min.
–
–
Limit Values
Limit Values
Typ.
–
42
Max.
45
16
56
120
0.3
150
Max.
10
–
General Product Characteristics
Unit
V
V
µH
µF
Ω
°C
Unit
K/W
K/W
Rev. 1.1, 2009-12-16
Conditions
–
see
see
Figure 6
–
–
Conditions
1) 2)
1) 3)
1)
Figure 5
Figure 5
TLD5085EJ
and