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FPF2026 Datasheet
Full Functional Load Switch
Fairchild Semiconductor
Fairchild Semiconductor


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FPF2026 pdf
Electrical Characteristics
Unless otherwise noted, VIN=1.6 to 5.5 V and TA=-40 to +85°C. Typical values are at VIN=3.3 V and TA=25°C.
Symbol
Parameter
Conditions
Min. Typ. Max. Unit
Basic Operation
VIN
IQ
ISD
RON
VIH
VIL
ION
ISWOFF
Operating Voltage
Quiescent Current
Shutdown Current
On Resistance
On Input Logic HIGH Voltage
On Input Logic LOW Voltage
On Input Leakage
Off Switch Leakage
FLAGB Output Logic Low Voltage
FLAGB Output Logic High Voltage
FLAGB Output High Leakage
Current
IOUT=0 mA, VON Active, VIN=1.8 V
(Average)
VON=VIN, (FPF2025) VON=GND
(FPF2024/26/27), IOUT=0
TA=25°C, VIN=5.5 V
TA=-40 to 85°C, VIN=5.5 V
TA=25°C,VIN=3.3 V
TA= -40 to +85°C, VIN=3.3 V
TA= 25°C,VIN=1.6 V
TA= -40 to +85°C, VIN=1.6 V
VIN=1.6 V
VIN=5.5 V
VIN=1.6 V
VIN=5.5 V
VON=VIN or GND
VON=VIN, VOUT=0 V
VIN=5.5 V, ISINK=1 mA
VIN=1.8 V, ISINK=1 mA
VIN=5.5 V, ISOURCE=1 mA, FPF2025
VIN=1.6 V, ISOURCE=1 mA, FPF2025
VIN=5.5 V, Switch On,
FPF2024, FPF2026, FPF2027
1.6
120
140
180
0.8
1.5
5.2
1.20
1
215
215
225
225
305
305
0.1
0.1
5.4
1.35
5.5 V
4 μA
1 μA
315
350
325
360
490
580
V
0.45
V
0.9
1.0 μA
1.0 μA
0.2
V
0.3
V
1.0 μA
Protections
ILIM Current Limit
Thermal Shutdown
VIN=3.3 V, VOUT=3.0 V,TA=25°C
Shutdown Threshold TJ Increasing
Return from Shutdown
100 150 200 mA
140
130 °C
Hysteresis
10
UVLO
Under-Voltage Lockout
UVLOH Under-Voltage Lockout Hysteresis
Dynamic Characteristics
tON Turn-On Time
tOFF Turn-Off Time
tRISE
VOUT Rise Time
tBLANK Over-Current Blanking Time
TSTART_BLANK Startup FLAGB Blanking Time
tRSTRT Auto-Restart Time
Sleep Mode Duration
VIN Increasing
RL = 500 Ω, CL = 0.1 μF
RL = 500 Ω
RL = 500 Ω, CL = 0.1 μF
FPF2024, FPF2025, FPF2026
FPF2027(2)
FPF2024, FPF2025
1.475 1.525 1.575 V
40 mV
5
5
35
128.5
70
10
30
10
10
70
257.0
20
20
140
514.0
μs
μs
μs
ms
ms
ms
ms
Wake-up Mode Duration
0.5 1.0 2.0 ms
Duty Cycle
Current Limit Response Time
Blanking/Auto-Restart Duty Ratio
Wake-up: Sleep Mode Duty Cycle
Moderate Over-Current Condition
RL= 5
tBLANK /tRSTRT (Internally Fixed)
FPF2024, FPF2025
1:257
15
1:7
μs
Note:
2. FPF2027 has a 10 ms Startup FLAGB Blanking Time when the part is turned on via ON pin to ensure transient
load currents settle down.
© 2008 Fairchild Semiconductor Corporation
FPF2024/25/26/27 Rev. 1.1
5
www.fairchildsemi.com

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