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電子部品 FPF2147 Datasheet 詳細情報 特性, スペック, ピン接続図

部品番号 FPF2147
部品説明 Full Function Load Switch
メーカ Fairchild Semiconductor
ロゴ Fairchild Semiconductor ロゴ 
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FPF2147 Datasheet, FPF2147 PDF,ピン配置, 機能
November 2008
FPF2140/42/43/44/46/47
Full Function Load Switch with Reverse Current Blockingtm
Features
„ 1.8 to 5.5V Input Voltage Range
„ Controlled Turn-On
„ 200mA and 400mA Current Limit Options
„ Undervoltage Lockout
„ Thermal Shutdown
„ <2µA Shutdown Current
„ Auto Restart
„ Fast Current limit Response Time
„ 5µs to Moderate Over Currents
„ 30ns to Hard Shorts
„ Fault Blanking
„ Reverse Current Blocking
„ Power Good Function
„ RoHS Compliant
Applications
„ PDAs
„ Cell Phones
„ GPS Devices
„ MP3 Players
„ Digital Cameras
„ Peripheral Ports
„ Hot Swap Supplies
General Description
The FPF2140/42/43/44/46/47 is a series of load switches which
provides full protection to systems and loads which may
encounter large current conditions. These devices contain a
0.12current-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. Each 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. For the FPF2140/42/44/46, if
the constant current condition still persists after 30ms, the part
will shut off the switch and pull the fault signal pin (FLAGB) low.
The FPF2140/44 have an auto-restart feature which will turn the
switch on again after 450ms if the ON pin is still active. The
FPF2142/46 do not have this auto-restart feature so the switch
will remain off until the ON pin is cycled. For the FPF2143/47, 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. The minimum
current limit is 200mA for the FPF2140/42/43 while that for the
FPF2144/46/47 is 400mA.
These parts are available in a space-saving 6 pin 2X2 MLP
package.
BOTTOM
Ordering Information
Part
FPF2140
FPF2142
FPF2143
FPF2144
FPF2146
FPF2147
Current Limit
[mA]
200/300/400
200/300/400
200/300/400
400/600/800
400/600/800
400/600/800
Pin 1
Current Limit
Blanking Time
[ms]
15/30/60
15/30/60
0
15/30/60
15/30/60
0
TOP
Auto-Restart
Time
[ms]
225/450/900
NA
NA
225/450/900
NA
NA
©2008 Fairchild Semiconductor Corporation
FPF2140/42/43/44/46/47 Rev. I
1
ON Pin
Activity
Active HI
Active HI
Active HI
Active HI
Active HI
Active HI
www.fairchildsemi.com

--------------------------------------------
FPF2147 pdf, 電子部品, 半導体, ピン配列
Pin Configuration
ON 6
1 PGOOD
GND 5 7 2 VIN
FLAGB 4
3 VOUT
2X2 MicroFET-6
Pin Description
Pin Name
1 PGOOD
2 VIN
3 VOUT
4 FLAGB
5, 7 GND
6 ON
Function
Power Good output: Open drain output which indicate that output voltage has reached
90% of input voltage
Supply Input: Input to the power switch and the supply voltage For the IC
Switch Output: Output of the power switch
Fault Output: Active LO, open drain output which indicates an over current supply under
voltage or over temperature state.
Ground
ON Control Input
Absolute Maximum Ratings
Parameter
VIN, VOUT, ON, FLAGB, PGOOD to GND
Power Dissipation
Operating and Storage Junction Temperature
Thermal Resistance, Junction to Ambient
Electrostatic Discharge Protection
Jedec A114A
Jedec C101C
Jedec A115
IEC 61000-4-2
HBM
CDM
MM
Air Discharge
Contact Discharge
Min
-0.3
-65
4000
2000
400
15000
8000
Max
6
1.2
150
86
Unit
V
W
°C
°C/W
V
V
V
V
V
Recommended Operating Range
Parameter
VIN
Ambient Operating Temperature, TA
Min
Max
Unit
1.8 5.5
V
-40 85 °C
Electrical Characteristics
VIN = 1.8 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
Basic Operation
Operating Voltage
Quiescent Current
VIN
IQ IOUT = 0mA
VIN = 1.8V
VIN = 3.3V
VIN = 5.5V
1.8
40
Typ
70
75
85
Max Units
5.5 V
100
µA
120
FPF2140/42/43/44/46/47 Rev. I
3
www.fairchildsemi.com





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