U4793B Datasheet, PDF (3/6 Pages) TEMIC Semiconductors – Overload Monitoring with Resistive Load, VT = 44.5 mV

U4793B
Electrical Characteristics
V_S = 9 V to 15 V, T_amb = -40°C to +125°C, unless otherwise specified (see Figure 1)
No. Parameters
Test Conditions
Pin
Symbol
Min.
Typ.
Max.
Unit
1 Supply
1.1 Supply voltage
2, 7
V_S
1.2 Internal Z-diode Z₂
2
V_Z
1.3
V_S = 12 V measured
1
T_amb = -40°C
I₁
1.4
Current consumption
V_S = 12 V measured
T_amb = 25°C
1
I₁
1.5
V_S = 12 V measured
1
T_amb = 125°C
I₁
2 Output
9
15
V
20
V
3.5
4.8
6.0
mA
2.8
3.4
6.0
mA
2.0
2.6
3.2
mA
2.1
Output saturation
voltage
2.2 Output Z-diodes Z₃,
Z₅
3 Control Signal
V_S = 9 V,
I_3,5 = 10 mA
T_amb = 25°C
3, 5
V_sat
3, 5
V_Z
21
0.5
V
V
3.1
I_3,5 = 1 mA, figure 3
4, 6
T_amb = -40°C
-V_T
42
44
46
mV
3.2 Control signal
threshold
I_3,5 = 1 mA, figure 3
4, 6
T_amb = 25°C
-V_T
43
44.5
46
mV
3.3
I_3,5 = 1 mA, figure 3
4, 6
T_amb = 125°C
-V_T
44.5
46
47.5
mV
3.4 Temperature
coefficient of control
signal threshold
TC
15
µV/K
3.5 _{Input currents}
3.6 Pins connected
3.7 ^{to 12 V}
3.8 _{Input currents}
3.9 Pins connected
3.10 ^{to 12 V}
4 Threshold
T_amb = -40°C
T_amb = 25°C
T_amb = 125°C
T_amb = -40°C
T_amb = 25°C
T_amb = 125°C
I_I
4, 6
I_I
I_I
I_I
8
I_I
I_I
100
190
nA
60
100
150
nA
30
110
nA
5.5
7.0
µA
4.0
5.0
5.5
µA
3.0
4.5
µA
4.1
Switch identification
T_amb = -40°C
V₈
0.47 ´
V_S
0.69 ´
V_S
V
4.2 _{Threshold voltage}
Switch identification
T_amb = 25°C
8
V₈
0.47 ´
V_S
0.6 V_S
0.69 ´
V_S
V
4.3
Switch identification
T_amb = 125°C
V₈
0.47 ´
V_S
0.69 ´
V_S
V
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
Type*
A
A
C
A
C
A
A
C
A
C
C
C
A
C
C
A
C
C
A
C
3
4557A–AUTO–11/02