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參數(shù)資料
| 型號(hào)： | LM3543MX-H |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類(lèi)： | 電源管理 |
| 英文描述： | Triple Port USB Power Distribution Switch and Over-Current Protection |
| 中文描述： | 3-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16 |
| 封裝： | SOIC-16 |
| 文件頁(yè)數(shù)： | 4/12頁(yè) |
| 文件大?。?/td> | 316K |
| 代理商： | LM3543MX-H |
AC Electrical Characteristics
Limits are for T
J
= 25C and V
IN
= 5.0V.
Symbol
t
r
OUT
x
Rise Time (Note 5)
t
f
OUT
x
Fall Time (Note 6)
t
ON
Turn-on Delay (Note 7)
t
OFF
Turn-off Delay (Note 8)
t
F
Flag Delay (Note 9)
Parameter
Conditions
Min
Typ
1.5
0.9
2.9
0.7
7
Max
Units
ms
ms
ms
ms
ms
C
L
= 33 μF, I
LOAD
= 500mA
C
L
= 33 μF, I
LOAD
= 500mA
C
L
= 33 μF, I
LOAD
= 500mA
C
L
= 33 μF, I
LOAD
= 500mA
I
FLAG
= 10 mA
Note 5:
Time for OUT
x
to rise from 10% to 90% of its enabled steady-state value after EN
x
(EN
x
) is asserted.
Note 6:
Time for OUT
x
to fall from 10% to 90% of its enabled steady-state value after EN
x
(EN
x
) is deasserted.
Note 7:
Time between EN
x
rising through V
IH
(EN
x
falling through V
IL
) and OUT
x
rising through 90% of its enabled steady-state voltage.
Note 8:
Time between EN
x
falling through V
IL
(EN
x
rising through V
IH
) and OUT
x
falling through 10% of its enabled steady-state voltage.
Note 9:
Time between EN
x
rising through V
IN
(EN
x
falling through V
IN
) and FLAG
X
falling through 0.3V when OUT
X
is connected to GND.
Pin Description
Pin Number
2, 6
Pin Name
IN 1, 2
Pin Function
Supply Inputs: These pins are the inputs to the power switches and the supply
input for the IC. In most applications they are connected together externally
and to a single input voltage supply.
Grounds: Must be connected together and to a common ground.
Switch Outputs: These pins are the outputs of the high side switches.
Enable (Inputs): Active-high (or active-low) logic enable inputs.
1, 5
GND 1, 2
OUT 1, 2, 3
LM3543-H: EN 1, 2, 3
LM3543-L: EN 1, 2, 3
FLAG 1, 2, 3
15, 14, 11
3, 4, 7
16, 13, 12
Fault Flag (Outputs): Active-low open drain outputs. Indicates over-current,
UVLO or thermal shutdown.
No Internal Connection.
8, 9, 10
N/C
L
www.national.com
4
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| LM3543 | Triple Port USB Power Distribution Switch and Over-Current Protection |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM3543MX-H/NOPB | 功能描述:IC PWR SWITCH TRPL HISIDE 16SOIC RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 電源分配開(kāi)關(guān) 系列:- 特色產(chǎn)品:XRP252 Switches 標(biāo)準(zhǔn)包裝:1 系列:- 類(lèi)型:高端開(kāi)關(guān) 輸出數(shù):2 Rds（開(kāi)）:140 毫歐 內(nèi)部開(kāi)關(guān):是 電流限制:1.15A 輸入電壓:1.75 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:10-TDFN（3x3） 包裝:Digi-Reel® 其它名稱:1016-1691-6 |
| LM3543MX-L | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述: |
| LM3543MX-L/NOPB | 制造商:Texas Instruments 功能描述:USB Power SW Hi Side/DIST Triple 5.5V 2A 16-Pin SOIC N T/R |
| LM3544 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Quad Port USB Power Distribution Switch and Over-Current Protection |
| LM3544B-H E WAF | 制造商:Texas Instruments 功能描述: |
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