TLF50241EL_15 Datasheet, PDF (8/30 Pages) Marl International Limited – 2.2 MHz Step-Down Regulator 500 mA, 5 V, low quiescent current

TLF50241EL
General Product Characteristics
4.2
Functional Range
Pos. Parameter
Symbol
Limit Values
Unit Conditions
Min.
Max.
4.2.1 Supply voltage
V_S
4.75
45
V
–
4.2.2 Buck inductor
L_BU
3.3
22
µH –
4.2.3
4.2.4
Buck capacitor
Buck capacitor ESR
C_BU1
ESR_BU1
10
0.015
50
0.100
µF –
Ω
– ¹⁾
4.2.5 Junction temperature
T_j
-40
150
°C –
1) See section ““Application Information” on Page 25” for loop compensation requirements and refer to Application Note
for dimensioning the output filter.
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. Typ. Max.
4.3.1
4.3.2
4.3.3
4.3.4
Junction to case¹⁾
Junction to ambient^{1) 2)}
R_thJC
–
R_thJA
–
R_thJA
–
R_thJA
–
10
–
47
–
54
–
64
–
K/W –
K/W 2s2p
K/W 1s0p + 600 mm²
K/W 1s0p + 300 mm²
1) Not subject to production test, specified by design.
2) Specified R_thJA value is according to JEDEC 2s2p (JESD 51-7) + (JESD 51-5) and JEDEC 1s0p (JESD 51-3) + heatsink
area at natural convection on FR4 board.
Data Sheet
8
Rev. 1.0, 2013-06-19