TLE8242-2 Datasheet, PDF (16/78 Pages) Infineon Technologies AG – 8 Channel Fixed Frequency Constant Current Control With Current Profile Detection

TLE8242-2
General Product Characteristics
4.2
Functional Range
T_j = -40 °C to +150 °C; all voltages with respect to ground, positive current flowing into pin (unless otherwise
specified)
Pos.
4.2.1
4.2.2
4.2.3
4.2.4
4.2.5
4.2.6
Parameter
Supply Voltage Range for Normal
Operation - VBAT
Supply Voltage Range for Normal
Operation - V5D, V5A1, V5A2,
V5A3
Supply Voltage Range for Normal
Operation -V_SIGNAL
Clock Frequency
PWM Frequency for Normal
Operation
Extended PWM Frequency Range
Symbol
V_BAT
Limit Values
Min.
Max.
5.5
42
V_V5D
V_V5A1,
V_V5A2,
V_V5A3
V_{V_SIGNAL}
4.75
3.0
5.25
5.25
f_CLK
20
f_PWM
10
40
4000
f_PWM
10
8000
4.2.7 Common Mode Voltage Range for V_{pos ,}V_neg 0
30
Normal Operation - POSx, NEGx
pins.
4.2.8 Extended Common Mode Voltage V_{pos ,}V_neg 0
42
Range for Operation - POSx, NEGx
pins.
Unit Conditions
V
–
V
–
V
–
MHz
Hz
Hz Parameter
deviations possible
V
–
V
Parameter
deviations possible
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
T_j = -40 °C to +150 °C; all voltages with respect to ground, positive current flowing into pin (unless otherwise
specified)
Pos. Parameter
Symbol
Limit Values
Unit Conditions
4.3.1
Junction to
Ambient¹⁾
R_thJA
Min.
–
Typ.
38
Max.
–
K/W ²⁾
1) Not subject to production test, specified by design.
2) Specified R_thJA value is according to Jedec JESD51-2, -7 at natural convection on FR4 2s2p board; The Product (chip +
Package) was simulated on a 76.2 x 114.3 x 1.5 mm board with 2 inner copper layers (2 x 70µm, 2 x 35 µm Cu).
Data Sheet
16
Rev. 1.0, 2010-02-09