FPF2024 Ver la hoja de datos (PDF) - Fairchild Semiconductor
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FPF2024 Datasheet PDF : 17 Pages
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Electrical Characteristics
VIN = 1.6 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.
Max. Units
Basic Operation
Operating Voltage
VIN
1.6
5.5
V
Quiescent Current
IQ
IOUT = 0mA, VON Active,
VIN = 1.8V (Average)
1
4
µA
Shutdown Current
ISHDN
VON = VIN (FPF2025)
VON = GND (FPF2024/6/7), IOUT = 0
1
µA
TA = 25°C, VIN = 5.5V
215
315
TA = -40 to +85°C, VIN = 5.5V
120
215
350
On-Resistance
RON
TA = 25°C,VIN = 3.3V
TA = -40 to +85°C, VIN = 3.3V
225
325
mΩ
140
225
360
TA = 25°C,VIN = 1.6V
305
490
TA = -40 to +85°C, VIN = 1.6V
180
305
580
ON Input Logic High Voltage (ON) VIH
VIN = 1.6V
VIN = 5.5V
0.8
V
1.5
ON Input Logic Low Voltage
VIL
VIN = 1.6V
VIN = 5.5V
0.45
V
0.9
ON Input Leakage
VON = VIN or GND
1
µA
Off Switch Leakage
ISWOFF
VON = VIN, VOUT = 0V
1
µA
FLAGB Output Logic Low Voltage
VIN = 5.5V, ISINK = 1mA
VIN = 1.8V, ISINK = 1mA
0.1
0.2
V
0.1
0.3
FLAGB Output Logic High Voltage
VIN = 5.5V, ISOURCE = 1mA, FPF2025 5.2
5.4
V
VIN = 1.6V, ISOURCE = 1mA, FPF2025 1.2
1.35
FLAGB Output High Leakage Current
VIN = 5.5V, Switch on,
FPF2024, FPF2026, FPF2027
1
µA
Protections
Current Limit
Thermal Shutdown
ILIM
VIN = 3.3V, VOUT = 3.0V,TA = 25°C
100
150
200
mA
Shutdown Threshold TJ increasing
140
Return from Shutdown
130
°C
Hysteresis
10
Under Voltage Lockout
Under Voltage Lockout Hysteresis
UVLO
VIN Increasing
1.475 1.525 1.575
V
40
mV
Dynamic
Turn On Time
Turn Off Time
VOUT Rise Time
Over Current Blanking Time
Startup FLAGB Blanking Time
Auto-Restart Time
Sleep Mode Duration
tON
RL = 500Ω, CL = 0.1µF
tOFF
RL = 500Ω
tRISE
RL = 500Ω, CL = 0.1µF
tBLANK
FPF2024, FPF2025,FPF2026
tSTART_BLANK FPF2027 (Note2)
tRSTRT
FPF2024, FPF2025
70
µs
10
µs
30
µs
5
10
20
ms
5
10
20
ms
35
70
140
ms
128.5 257
514
ms
Wake-up Mode Duration
0.5
1
2
ms
Duty Cycle
Wake-up: Sleep Mode Duty Cycle
1:257
Current Limit Response Time
Moderate Over-current condition
RL= 5Ohms
15
µs
Blanking/Auto-Restart Duty Ratio
tBLANK /tRSTRT (internally fixed)
FPF2024, FPF2025
1:7
Note2: FPF2027 has a 10ms Startup FLAGB Blanking Time when the part is turned on via ON pin to ensure transient load currents
settle down.
©2008 Fairchild Semiconductor Corporation
4
FPF2024/5/6/7 Final. B
www.fairchildsemi.com
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