TLE6389_07 Datasheet, PDF (17/38 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.
4.48
4.49
4.50
4.51
4.52
4.53
4.54
Reset threshold V_{FB, RT}
1.12
V TLE6389-2 GV;
V_VOUT decreasing
1.17
V TLE6389-2 GV;
V_VOUT increasing
Reset output pull R_RO
up resistor
10 20 40 kΩ TLE6389-2 GV50,
TLE6389-3 GV50;
Internally
connected to V_OUT
Reset output High V_{RO, H}
voltage
0.8*
V_VOUT
V TLE6389-2 GV50,
TLE6389-3 GV50;
I_RO=0mA
Reset output Low V_RO,L
voltage
0.2 0.4 V
I_{RO, L}=1mA;
2.5V < V_VOUT < V_RT
Reset output Low V_RO,L
voltage
0.2 0.4 V
I_{RO, L}=0.2mA;
1V < V_VOUT < 2.5V
Reset delay time t_rd
17 21 25 ms TLE6389-2 GV
TLE6389-3 GV50
4.55
4.56
Reset delay time t_rd
Reset reaction time t_rr
Overvoltage Lockout
70 82 100 ms TLE6389-2 GV50
10 µs ²⁾
4.57 Overvoltage
threshold
V_{VOUT, OV}
V_OUT
_nom^/
V
+0.1
V TLE6389-2 GV50,
TLE6389-3 GV50;
V_VOUT increasing
4.58 Overvoltage
threshold
V_{FB, OV}
V_FB,t
h_nom
/V
+0.0
2
V TLE6389-2 GV;
V_VOUT increasing
Datasheet Rev. 2.1
17
2007-08-13