U6268B Datasheet, PDF (6/12 Pages) TEMIC Semiconductors – Side-Airbag Sensor Dual Interface

U6268B
Parameters
Test Conditions / Pins
Symbol Min. Typ. Max. Unit
Voltage at SC
Voltage at SC
V_S = 5.7 V
V_S = 12.5 V
V_SC
5.1
V_SC
9
5.3
V
9.4
V
Maximal voltage at SC V_S = 40 V
V_SCmax
30
V
SC-discharge current
v v ^{Voltage SC = VSC – 3 V}
5.7 V V_S 40 V
SC-charge current
v v ^{Voltage SC = VSC – 3 V}
5.7 V V_S 40 V
Function OUT1 and OUT2 (see figure 4)
I_{SC_dis}
33
I_{SC_ch}
–58
82 mA
–20 mA
Voltage difference,
V_S to V_OUTx
Output voltage OUTx
I_OUTx = 5 to 50 mA
v v 5.7 V V_S 8.5 V
v v 12 V V_S 25 V
v v 8.5 V V_S 11.3 V
V_{diff_low}
0.3
V_{diff_high}
2.6
V_{OUT_med}
7.7
0.8
V
3.6
V
V
Maximal voltage at
OUTx
Current mirror ratio,
I_OCMx/I_OUTx
Linearity of mirror ratio
I_OCMx/I_OUTx
Dynamic resistance
OUTx
Dynamic resistance
OUTx + RETURNx
OUTx current limitation
(OUTx short to GND)
Overcurrent detection
level general
Overcurrent detection
level
V_S = 40 V
v V_S 40 V, I_OUTx = 5 to 15 mA
v V_S 25 V, I_OUTx =15 to 50mA
v V_S 40 V, I_OUTx =15 to 50mA
v V_S 40 V I_OUT = 15 to 50 mA
v V_S 40 V I_OUT = 15 to 50 mA
v V_S 18 V
v V_S 40 V
T_j < 125°C
w T_j 125°C
Always valid: current limitation is
higher than overcurrent detection
V_{OUT_max}
I_{OUT_ratio}
Ratio_lin
25
0.09
0.10
0.097
–5
R_OUT
R_Dyn
I_{OUT_lim}
I_{OUT_det}
I_{OUT_det}
2
4
–80
–105
–70
–60
30
V
0.12
0.11
0.11
5
%
12 W
15 W
–60 mA
–60 mA
–51 mA
–51 mA
Maximum OUTx current
(OUTx short to GND)
Leakage current at
disabled OUTx
Leakage voltage at
disabled OUTx
Internal pull-down
current
Supply rejection-ratio
Supply rejection-ratio
V_S = 14 V, OCMx shorted to GND
v OUT short to GND V_S 25 V
v OUT short to GND V_S 38.5 V
v OUT open V_S 38.5 V
v V_S 18 V
v V_S 40 V
V_SC = 7.6 V
m ^{Variation of VS 8.4 to 40 V}
in 10 s
I_{OUT_max}
I_{OUT_leak}
V_{OUT_leak}
I_{OUT_sink}
V_{rej_mV}
V_{rej_dB}
–140
–0.02
–12
1.8
2.5
51.9
–85 mA
mA
mA
4.3
V
4
mA
4.5 mA
80 mV
dB
Minimum capacity at
OUTx for phase margin
Delay time with
C_out = 47 nF
Function OCM1, OCM2
Switching on ENABLE = 1 to
90% V_OUT reached
Switching off ENABLE = 0 to
10% V_OUT reached
C_{OUT_min}
33
Enable_on 3
Enable_off 30
nF
30
ms
100 ms
6 (12)
TELEFUNKEN Semiconductors
Preliminary Information
Rev. A1, 21-May-97