ST2054(2005) Ver la hoja de datos (PDF) - STMicroelectronics
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ST2054 Datasheet PDF : 9 Pages
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ST2054
Table 5: Power Switch Electrical Characteristics (VI = 5.5V, IO = rated current, VIEN =VI, TJ = 25°C,
unless otherwise specified.) (See Note 1)
Symbol
Parameter
RDS(ON) Static Drain-Source
ON-State Resistance
tr Output Rise Time
tf Output Fall Time
Test Conditions
VI =5V IO = 0.5A
VI =5V IO = 0.5ATJ=85°C
VI =5V IO = 0.5ATJ=125°C
VI =3.3V IO = 0.5A
VI =3.3V IO = 0.5ATJ=85°C
VI =3.3V IO = 0.5ATJ=125°C
VI =5.5V RL=10Ω CL=1µF
VI =2.7V RL=10Ω CL=1µF
VI =5.5V RL=10Ω CL=1µF
VI =2.7V RL=10Ω CL=1µF
Min. Typ. Max. Unit
80
100 mΩ
90
120
100 135
90
125
110 145
120 160
2.5
ms
3
0.3
ms
0.2
Table 6: Enable Input ENx Characteristics (VI = 5.5V, IO = rated current, VIEN =VI, TJ = 25°C, unless
otherwise specified.) (See Note 1)
Symbol
Parameter
VIH High level Input Voltage
VIL Low level Input Voltage
II Input Current
ton Turn-on Time
toff Turn-off Time
Test Conditions
VI =2.7V to 5.5V
VI =4.5V to 5.5V
VI =2.7V to 4.5V
VIENX = VI or 0V
RL=10Ω CL=100µF
RL=10Ω CL=100µF
Min. Typ. Max. Unit
2
V
0.8
V
0.4
-0.5
0.5
µA
20
ms
40
ms
Table 7: Current Limit Characteristics (VI = 5.5V, IO = rated current, VIEN =VI, TJ = 25°C, unless other-
wise specified.) (See Note 1)
Symbol
Parameter
Test Conditions
IOS Short Circuit Output Current VI =5V, OUT connected to GND, device
enabled into short circuit
Min. Typ. Max. Unit
0.7
1
1.3
A
Table 8: Supply Current Characteristics (VI = 5.5V, IO = rated current, VIEN =VI, TJ = 25°C, unless oth-
erwise specified.) (See Note 1)
Symbol
Parameter
ISOL Current Low Level Output
ISOH Current Low High Output
IL Output Leakage Current
Test Conditions
VIENX = 0, No Load,
VIENX = 0, No Load, TJ=-40 to 125°C
VIENX = VI, No Load,
VIENX = VI, No Load, TJ=-40 to 125°C
VIENX = 0, Output Connected to GND,
TJ=-40 to 125°C
Min. Typ. Max. Unit
0.05
2
µA
20
140 180 µA
200
20
µA
Table 9: Undervoltage Characteristics (VI = 5.5V, IO = rated current, VIEN =VI, TJ = 25°C, unless other-
wise specified.) (See Note 1)
Symbol
Parameter
VIL Low Level Input Voltage
VHYS Hysteresys
4/9
Test Conditions
Min. Typ. Max. Unit
2
2.5
V
100
mV
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