2174 Ver la hoja de datos (PDF) - Fairchild Semiconductor
Número de pieza
componentes Descripción
Fabricante
2174 Datasheet PDF : 12 Pages
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Electrical Characteristics Cont.
. VIN = 1.8 to 5.5V, TA = -40 to +85°C unless otherwise noted. Typical values are at VIN = 3.3V and TA = 25°C
Parameter
Symbol
Conditions
Min Typ
Protections
Current Limit
ILIM
VIN = 3.3V, VOUT = 2.0V
Shutdown Threshold
200
300
-
140
Thermal Shutdown
Return from Shutdown
-
130
Hysteresis
-
10
Under Voltage Shutdown
UVLO
Under Voltage Shutdown Hysteresis
VIN Increasing
1.5
1.6
-
47
Zener Clamp Voltage
Zener Leakage
Dynamic
VZ
IZ = 1mA
IZ
VZ = 12V
-
15
-
-
Turn on time
Turn off time
VOUT Rise Time
VOUT Fall Time
Over Current Blanking Time
Short Circuit Response Time
tON
tOFF
tR
tF
tBLANK
RL = 500 , CL = 0.1 F
RL = 500 , CL = 0.1 F
RL = 500 , CL = 0.1 F
RL = 500 , CL = 0.1 F
VIN = VON = 3.3V. Moderate
Over-Current Condition.
VIN = VON = 3.3V. Hard Short.
-
25
-
20
-
14
-
126
5
10
-
3
-
20
Note 1: Package power dissipation on 1 square inch pad, 2 oz. copper board.
Max Units
400
mA
-
-
°C
-
1.7
V
-
mV
-
V
10
A
50
s
40
s
30
s
250
s
20
ms
-
s
-
ns
FPF2174 Rev. D
4
www.fairchildsemi.com
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