TLE6389_07 Datasheet, PDF (12/38 Pages) Infineon Technologies AG – Step-Down DC/DC Controller

TLE 6389
4
Electrical Characteristics (cont’d)
5V < V_VS < 48V; -40°C < T_j < 150 °C;
All voltages with respect to ground; positive current defined flowing into the pin; unless otherwise specified
Item Parameter
Symbol Limit Values Unit Test Condition
min. typ. max.
Buck Controller
4.14 Output voltage
4.15
4.16
4.17 FB threshold
voltage
V_VOUT 4.85 5.00 5.15 V
4.75 5.00 5.25 V
3.8
V
V_{FB, th} 1.225 1.25 1.275 V
TLE6389-2 GV50,
TLE6389-3 GV50;
V_VS=13.5V& 48V;
PWM mode
I_OUT = 0.5 to 2A;
R_SENSE = 22mΩ;
R_M1 = 0.25Ω;
R_L1 = 0.1Ω;
TLE6389-2 GV50,
TLE6389-3 GV50;
V_VS = 24V;PFM;
I_OUT = 15mA;
R_SENSE = 22mΩ;
R_M1 = 0.25Ω;
R_L1 = 0.1Ω;
TLE6389-3 GV50;
V_VS decreasing
from 5.8V to 4.2V;
I_LOAD = 0mA to
500mA;
R_SENSE = 22mΩ;
R_M1 = 0.4Ω;
R_L1 = 0.1Ω;
TLE6389-2 GV
4.18 Output voltage
V_VOUT 9.7 10.0 10.3 V
TLE6389-2 GV;
Calibrated divider,
see section 7.3;
V_VS = 13.5V & 48V;
I_OUT = 0.5 to 2A;
PWM Mode;
R_SENSE = 22mΩ;
R_M1 = 0.25Ω;
R_L1 = 0.1Ω;
Datasheet Rev. 2.1
12
2007-08-13