TLE6389_07 Datasheet, PDF (15/38 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.
4.27 Load regulation
4.28
4.29 Gate driver,
PMOS off
4.30 Gate driver,
PMOS on
4.31 Gate driver,
UV lockout
∆V_VOUT /
40
∆I_LOAD
V_VS –
0
V_GDRV
8*
V_OUT
_nom^/
V
0.2
V_VS –
6
8.2
V_GDRV
V_VS – 2.75
4
V_BDS
mV/ TLE6389-2 GV50,
A TLE6389-3 GV50,
I_OUT = 0.5A to 2A;
V_VS = 5.8V & 48V;
R_SENSE = 22mΩ
mV/ TLE6389-2 GV,
A
I_OUT = 0.5 to 2A;
V_VS= 13.5V & 48V;
R_SENSE = 22mΩ
V
V_{ENABLE/SI_ENABLE}
=5V
C_BDS = 220 nF
C_GDRV = 4.7nF
V
V_{ENABLE/SI_ENABLE}
=5V
C_BDS = 220 nF
C_GDRV = 4.7nF³⁾
V Decreasing (V_VS-
V_BDS) until GDRV
is permanently at
VS level
4.32 Gate driver,
I_GDRV
1
A PMOS dependent;
peak charging
2)
current
4.33 Gate driver,
I_GDRV
1
A PMOS dependent;
peak discharging
2)
current
4.34 Gate driver,
t_r
gate voltage, rise
time
45 60
ns
V_{ENABLE/SI_ENABLE}
=5V
C_BDS = 220 nF
C_GDRV = 4.7nF
Datasheet Rev. 2.1
15
2007-08-13