FPF2303MPX Ver la hoja de datos (PDF) - Fairchild Semiconductor
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FPF2303MPX Datasheet PDF : 19 Pages
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Electrical Characteristics
IN = 1.8 to 5.5V, TA = -40 to +85°C unless otherwise noted. Typical values are at IN = 3.3V and TA = 25°C.
Symbol Parameter
Conditions
Min. Typ. Max. Units
Basic Operation
VIN
Operating Voltage
IQ
Quiescent Current
ISD
IN Shutdown Current
IN = 5.5V, VONA = VONB = 0V, IOUT = 0mA
VONA = VONB = 5.5V, IN = 5.5V
OUTA = OUTB = Short to GND,
1.8
5.5 V
52.5 94.5 μA
3 μA
RON
On Resistance
IN = 5.5V, IOUT = 200mA, TA = 25°C
IN = 5.5V, IOUT = 200mA, TA = -40°C to 85°C
75 140
mΩ
90
IN = 1.8V
VIH
ON Input Logic High Voltage (ON)
IN = 5.5V
0.8
V
1.4
VIL
ON Input Logic Low Voltage
IN = 1.8V
IN = 5.5V
0.5
V
0.9
ION
Protections
ON Input Leakage
FLAGB Output Logic Low Voltage
FLAGB Output High Leakage Current
VON = IN or GND
IN = 5.5V, ISINK = 1mA
IN = 1.8V, ISINK = 1mA
IN = VON = 5V
-1
1 μA
0.1 0.2
V
0.15 0.30
1 μA
ILIM
Current Limit
IN = 3.3V, VOUTA = VOUTB = 3V, TA = 25°C 1.1 1.3 1.5
A
Shutdown Threshold
140
TSD
Thermal Shutdown
Return from Shutdown
130
°C
Hysteresis
10
VUVLO
VUVLO_HYS
Dynamic
Under-Voltage Shutdown
Under-Voltage Shutdown Hysteresis
IN Increasing
1.55 1.65 1.75 V
50
mV
tON
Turn-On Time
tOFF
Turn-Off Time
tR
OUTA, OUTB Rise Time
tBLANK Over-Current Blanking Time
tRSTRT_BLANK Startup FLAGB Blanking Time
tRSRT
Auto-Restart Time
tCLR
Current Limit Response Time
RL = 500Ω, CL = 0.1μF
RL = 500Ω
RL = 500Ω, CL = 0.1μF
FPF2300, FPF2302
FPF2303(5)
113.5
μs
6
μs
13.5
μs
5 10 20 ms
5 10 20 ms
FPF2300
504
ms
IN = 3.3V, Moderate Over-Current Condition
20
μs
Note:
5. FPF2303 has a 10ms startup FLAGB blanking time when the part is turned on via the ON pin to ensure transient load currents settle.
OUT
90%
10%
90%
10%
tR
tF
ON 50%
50%
© 2009 Fairchild Semiconductor Corporation
FPF2300/02/03 • Rev. 1.1.3
90%
OUT
10%
tDON
tDOFF
tON = tR + tDON
tOFF = tF + tDOFF
Figure 6. Timing Diagram
5
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