STEF05 Datasheet, PDF (6/20 Pages) STMicroelectronics – Electronic fuse for 5 V line

Electrical characteristics
4
Electrical characteristics
STEF05
V_CC = 5 V, V_EN = 3.3 V, C_I = 10 µF, C_O = 47 µF, T_J = 25 °C (unless otherwise specified).
Table 6. Electrical characteristics for the STEF05
Symbol
Parameter
Test conditions
Min. Typ. Max. Unit
Under/overvoltage protection
V_Clamp
V_UVLO
V_Hyst
Output clamping voltage
Undervoltage lockout
UVLO hysteresis
Power MOSFET
V_CC = 10 V
Turn-on, voltage rising
5.95 6.65 7.35 V
3.2
3.6
4
V
0.40
V
t_dly
Delay time
R_DSon On-resistance
V_OFF Off state output voltage
I_D
Continuous current
Current limit
Enabling of chip to I_D = 100 mA
with a 1 A resistive load
(1)
20
-40 °C < T_J < 125 °C ⁽²⁾
V_CC = 10 V, V_GS = 0, R_L = infinite
0.5 in² pad, T_A = 25 °C ⁽²⁾
Minimum copper, T_A= 80 °C
500
µs
40
60
mΩ
70
35
100 mV
3.6
A
1.7
I_Short
I_Lim
Short-circuit current limit
Overload current limit
dv/dt circuit
R_Limit = 22 Ω
R_Limit = 22 Ω
1.9
2.9
3.9 A
2.9
A
dv/dt Output voltage ramp time
Enable/Fault
Enable to V_OUT = 4.7 V, No
C_dv/dt
0.7
1.2
2.5 ms
V_IL
V_I(INT)
V_IH
V_I(MAX)
I_IL
I_I
Low level input voltage
Intermediate level input voltage
High level input voltage
High state maximum voltage
Low level input current (sink)
High level leakage current for
external switch
Output disabled
Thermal fault, output disabled
Output enabled
V_Enable = 0 V
V_Enable = 3.3 V
0.35 0.58 0.81 V
0.82 1.4 1.95 V
1.96 2.64 3.3 V
3.4
4.3
5.4 V
-10 -30 µA
1
µA
Total numbers of chips that can
Maximum fan-out for fault signal be connected to this pin for
simultaneous shutdown
3 Units
Total device
I_Bias Bias current
Device operational
Thermal shutdown
0.5
2
mA
1
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Doc ID 019055 Rev 4