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PDF FPF2202 Data sheet ( Hoja de datos )

Número de pieza FPF2202
Descripción Integrated Load Switch
Fabricantes Fairchild Semiconductor 
Logotipo Fairchild Semiconductor Logotipo



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No Preview Available ! FPF2202 Hoja de datos, Descripción, Manual

June 2008
FPF2200-FPF2202
Integrated Load Switch with 500mA High Precision Current Limit
Features
1.8 to 5.5V Input Voltage Range
Typical RDS(ON) = 140m @ VIN = 5.5V
Typical RDS(ON) = 160m @ VIN = 3.3V
Fixed 500mA Current Limit (min)
5% Accurate Current Limit
72 (typ) Output Discharge Resistance
ESD Protected, above 8kV HBM and 2kV CDM
Applications
PDAs
Cell Phones
GPS Devices
MP3 Players
Digital Cameras
Peripheral Ports
Notebook Computer
General Description
The FPF2200-FPF2202 are low RDS(ON) P-Channel MOSFET
load switches with high precision current limit value. The input
voltage range operates from 1.8V to 5.5V to fulfill today's Ultra
Portable Device's supply requirement. Switch control is by a
logic input (ON) capable of interfacing directly with low voltage
control signal. On-chip pull-down is available for output quick
discharge when switch is turned off.
For the FPF2201, if the constant current condition still persists
after 30ms, these parts will shut off the switch and pull the fault
signal pin (FLAGB) low. The FPF2200 has an auto-restart
feature which will turn the switch on again after 450ms if the ON
pin is still active. The FPF2201 do not have this auto-restart
feature so the switch will remain off until the ON pin is cycled.
For the FPF2202, a current limit condition will immediately pull
the fault signal pin low and the part will remain in the constant-
current mode until the switch current falls below the current
limit. For the FPF2200 through FPF2202, the minimum current
limit is 500mA with 5% accuracy.
BOTTOM
Pin 1
TOP
Ordering Information
Part
FPF2200
FPF2201
FPF2202
Current Limit
(mA)
500
500
500
Current Limit
Blanking Time
(mS)
30
30
NA
Auto-Restart Time
(mS)
450
NA
NA
ON Pin
Activity
Active HI
Active HI
Active HI
©2008 Fairchild Semiconductor Corporation
FPF2200-FPF2202 Rev. B
1
www.fairchildsemi.com

1 page




FPF2202 pdf
Typical Characteristics
70
VON = VIN
60
50
40
30
20
10
1
2
85oC
25oC
-40oC
34
SUPPLY VOLTAGE (V)
5
6
Figure 1. Quiescent Current vs. Input Voltage
80
VON=VIN
70
60
50
40
VIN=5.5V
VIN=3.3V
VIN=1.8V
30
20
10
-40
-15 10 35 60
TJ, JUNCTION TEMPERATURE (oC)
85
Figure 2. Quiescent Current vs. Temperature
1.30
1.15
1.00
0.85
0.70
0.55
0.40
1
VIH VIL
2345
VIN, SUPPLY VOLTAGE (V)
Figure 3. VON vs. Input Voltage
6
1.6
1.4
1.2
1.0
0.8
0.6
0.4
-40
VIN=5.5V
VIN=3.3V
VIN=1.8V
-15 10 35 60
TJ, JUNCTION TEMPERATURE (oC)
Figure 4. VON High Voltage vs. Temperature
85
1.4
1.2 VIN=5.5V
1.0
VIN=3.3V
0.8
VIN=1.8V
0.6
0.4
0.2
-40
-15 10 35 60
TJ, JUNCTION TEMPERATURE (oC)
Figure 5. VON Low Voltage vs. Temperature
85
0.04
0.03
0.02
0.01
0.00
-0.01
-0.02
-0.03
-40
VON = 5.5V
VON = 0V
-15 10 35
TJ, JUNCTION TEMPERATURE (oC)
60
85
Figure 6. On Pin Current vs. Temperature
FPF2200-FPF2202 Rev. B
5
www.fairchildsemi.com

5 Page





FPF2202 arduino
Figure 22: X-Ray result (bottom view with 45o angle)
Figure 23: Proper layout of output and ground copper area
FPF22XX Demo Board
FPF22XX Demo board has components and circuitry to
demonstrate FPF2223/4/5 load switches functions and features.
R4 resistor with 0 value is used for measuring the output
current. Load current can be scoped by removing the R4
resistor and soldering a current loop to the R4 footprint. Thermal
performance of the board is improved using a few techniques
recommended in the layout recommendations section of
datasheet. R3 resistor should be left open for FPF220X family.
Figure 25: Bottom and ASB Layers
Figure 26: Zoom in to Top layer
Figure 24: Top, SST, and AST Layers
FPF2200-FPF2202 Rev. B
11
www.fairchildsemi.com

11 Page







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