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Número de pieza | FPF2116 | |
Descripción | IntelliMAX Advanced Load Management Products | |
Fabricantes | Fairchild Semiconductor | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de FPF2116 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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January 2006
FPF2116
IntelliMAX™ Advanced Load Management Products
Features
1.8 to 5.5V Input Voltage Range
Controlled Turn-On
200mA Current Limit
Undervoltage Lockout
Thermal Shutdown
<2µA Shutdown Current
Auto Restart
Fast Current limit Response Time
3µs to Moderate Over Currents
20ns to Hard Shorts
Fault Blanking
Reverse Current Blocking
Applications
PDAs
Cell Phones
GPS Devices
MP3 Players
Digital Cameras
Peripheral Ports
Hot Swap Supplies
Typical Application Circuit
General Description
The FPF2116 is a load switch which provides full protection to
systems and loads which may encounter large current
conditions. This device contains a 0.125Ω current-limited
P-channel MOSFET which can operate over an input voltage
range of 1.8-5.5V. Internally, current is prevented from flowing
when the MOSFET is off and the output voltage is higher than
the input voltage. Switch control is by a logic input (ON)
capable of interfacing directly with low voltage control signals.
The part contains thermal shutdown protection which shuts off
the switch to prevent damage to the part when a continuous
over-current condition causes excessive heating.
When the switch current reaches the current limit, the part
operates in a constant-current mode to prohibit excessive
currents from causing damage. If the constant current condition
still persists after 30ms, the part will shut off the switch and pull
the fault signal pin (FLAGB) low. An auto-restart feature will
turn the switch on again after 480ms if the ON pin is still active.
The minimum current limit is 200mA.
The part is available in a space-saving 5 pin SOT23 package.
OFF ON
VIN VOUT
FPF2116
ON FLAGB
GND
TO LOAD
©2006 Fairchild Semiconductor Corporation
FPF2116 Rev. B3
1
www.fairchildsemi.com
1 page Typical Characteristics
120
VON = VIN
110
100
90
80
70
60
1.5 2 2.5 3 3.5 4 4.5 5 5.5
SUPPLY VOLTAGE (V)
Figure 1. Quiescent Current vs. Input Voltage
6
130
110
VIN = 5.5V
VIN = 3.3V
90
70 VIN = 1.8V
50
-40
-15 10 35 60 85
TJ, JUNCTION TEMPERATURE (oC)
Figure 2. Quiescent Current vs. Temperature
2500
2000
1500
VIN = 5.5V
1000
500
VIN = 3.3V
0
-40 -15
10
35
60
85
TJ, JUNCTION TEMPERATURE (oC)
Figure 3. ISHUTDOWN Current vs. Temperature
500
400
300
VIN = 5.5V
200
100 VIN = 3.3V
0
-40 -15 10 35 60 85
TJ, JUNCTION TEMPERATURE (oC)
Figure 4. ISWITCH-OFF Current vs. Temperature
0.20
0.18
0.16
0.14
0.12
0.10
0.08
0.06
0.04
0.02
0.00
1.5
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
SUPPLY VOLTAGE (V)
Figure 5. Reverse Current vs. Output Voltage
1.4
1.2
1
VIN = 5.5V
0.8
0.6
0.4
VIN = 3.3V
0.2
0
-40
-15 10 35 60
TJ, JUNCTION TEMPERATURE (oC)
85
Figure 6. Reverse Current vs. Temperature
FPF2116 Rev. B3
5 www.fairchildsemi.com
5 Page Dimensional Outline and Pad Layout
FPF2116 Rev. B3
11 www.fairchildsemi.com
11 Page |
Páginas | Total 12 Páginas | |
PDF Descargar | [ Datasheet FPF2116.PDF ] |
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