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參數(shù)資料
| 型號： | FPF2109 |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 外設(shè)及接口 |
| 英文描述： | IntelliMAX Advanced Load Management Products |
| 中文描述： | 0.3 A BUF OR INV BASED PRPHL DRVR, PDSO5 |
| 封裝： | 1.60 MM, ROHS COMPLIANT, MO-178AA, SOT-23, 5 PIN |
| 文件頁數(shù)： | 10/12頁 |
| 文件大小： | 423K |
| 代理商： | FPF2109 |
10
www.fairchildsemi.com
FPF2108-FPF2110 Rev. B
F
Application Information
Typical Application
OFF ON
ON
V
IN
GND
FPF2108 - FPF2110
FLAGB
V
OUT
LOAD
Battery
1.8V-5.5V
C1 = 10
μ
F
R1 = 100K
C2 = 0.1
μ
F
R2 = 499
Input Capacitor
To limit the voltage drop on the input supply caused by transient
in-rush currents when the switch turns-on into a discharged load
capacitor or a short-circuit, a capacitor needs to be placed
between V
IN
and GND. A 0.1uF ceramic capacitor, C
IN
, placed
close to the pins is usually sufficient. Higher values of C
IN
can
be used to further reduce the voltage drop.
Output Capacitor
A 0.1uF capacitor C
OUT
, should be placed between V
OUT
and
GND. This capacitor will prevent parasitic board inductances
from forcing V
OUT
below GND when the switch turns-off.
Power Dissipation
During normal operation as a switch, the power dissipation is
small and has little effect on the operating temperature of the
part. The parts with the higher current limits will dissipate the
most power and that will only typically be,
When in current limit the maximum power dissipation will occur
when the output is shorted to ground. A short on the output will
cause the part to operate in a constant current state until the
thermal shutdown activates. It will then cycle in and out of
thermal shutdown so long as the ON pin is active and the short
is present.
Board Layout
For best performance, all traces should be as short as possible.
To be most effective, the input and output capacitors should be
placed close to the device to minimize the effects that parasitic
trace inductances may have on normal and short-circuit
operation. Using wide traces for V
IN
, V
OUT
and GND will help
minimize parasitic electrical effects along with minimizing the
case to ambient thermal impedance.
80mW
0.125
(0.8)
R
)
(I
=
P
2
2
DS
LIM
=
=
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| FPF2110 | IntelliMAX Advanced Load Management Products |
| FPF2123 | IntelliMAX Advanced Load Management Products |
| FPF2124 | IntelliMAX Advanced Load Management Products |
| FPF2125 | IntelliMAX Advanced Load Management Products |
| FPN330 | NPN Low Saturation Transistor |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| FPF21-1 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| FPF2110 | 功能描述:電源開關(guān) IC - 配電 INTELLIMAX ADV L RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關(guān)閉時間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| FPF2116 | 功能描述:電源開關(guān) IC - 配電 IntelliMAX Adv Load Management Products RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關(guān)閉時間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| FPF2116 | 制造商:Fairchild Semiconductor Corporation 功能描述:FULL FUNCTION LOAD SWITCH 制造商:Fairchild Semiconductor Corporation 功能描述:IC, HIGH SIDE LOAD SWITCH, 5.5V, SOT23-5 |
| FPF2116_08 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:IntelliMAX⑩ Advanced Load Management Products |
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