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參數(shù)資料
| 型號(hào)： | MAX1823 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Dual USB Switch with Fault Blanking and Autoreset |
| 中文描述： | 雙路、USB開關(guān)，帶有故障屏蔽及自復(fù)位功能 |
| 文件頁數(shù)： | 8/13頁 |
| 文件大?。?/td> | 302K |
| 代理商： | MAX1823 |
M
Dual USB Switch with Fault
Blanking and Autoreset
8
_______________________________________________________________________________________
Pin Description
PIN
NAME
FUNCTION
1
ONA
*(ONA)
C ontr ol Inp ut for S w ch A. C an b e d ven hi g her than IN_ w hout d am ag e. A l og c l ow tur ns sw ch A on for
the M AX 1823/M AX 1823A, and a l og c hi g h tur ns sw ch A on for the M AX 1823B/M AX 1823H
2, 3, 4
INA, IN,
INB
Power Input. Connect all IN_ pins together, and bypass with a 0.1μF capacitor to ground. Load
conditions may require additional bulk capacitance to prevent the input from being pulled down.
5
ONB
*(ONB)
Control Input for Switch B. Can be driven higher than IN_ without damage. A logic low turns switch B
on for the M AX 1823/M AX 1823A, and a logic high turns switch B on for the M AX 1823B/M AX 1823H
6
FAULTB
Fault-Indicator Output for Switch B. This open-drain output goes low when switch B is in thermal
shutdown or UVLO or in a sustained (>20ms) current-limit or short-circuit condition.
7
OUTB
Power Output for Switch B. Connect a 1μF capacitor from OUTB to ground. Load condition may
require additional bulk capacitance.
8
GND
Ground
9
OUTA
Power Output for Switch A. Connect a 1μF capacitor from OUTA to ground. Load condition may
require additional bulk capacitance.
10
FAULTA
Fault-Indicator Output for Switch A. This open-drain output goes low when switch A is in thermal
shutdown or UVLO or in a sustained (>20ms) current-limit or short-circuit condition.
1ms/div
SWITCH TURN-OFF TIME
(t
OFF
+ t
FALL
)
A: V
ONA
, 5V/div
B: V
OUTA
, 2V/div
A
B
MAX1823 toc22
0
0
500
μ
s/div
C: V
OUTA
, 2V/div
D : I
OUTA
, 0.5A/div
STARTUP TIME
(TYPICAL USB APPLICATION)
A: V
ONA
, 5V/div
B: V
FAULTA
, 5V/div
A
B
0
5V
C
D
0
0
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V
IN
= V
INA
= V
INB
= 5V,
ON
_
=
GND (MAX1823/MAX1823A), ON_ = IN_ (MAX1823B/MAX1823H), T
A
= +25
°
C,
unless otherwise noted.)
*
() are for the MAX1823B/MAX1823H only.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX1823AEUB | Replaced by TMS320BC52 : |
| MAX1823BEUB | Replaced by TMS320BC52 : |
| MAX1823EUB | Replaced by TMS320BC52 : Digital Signal Processors 100-LQFP |
| MAX1823HEUB | Dual USB Switch with Fault Blanking and Autoreset |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1823AEUB | 功能描述:電源開關(guān) IC - USB Dual USB Switch w/Fault Blank RoHS:否 制造商:Micrel 電源電壓-最小:2.7 V 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX1823AEUB+ | 功能描述:電源開關(guān) IC - USB Dual USB Switch w/Fault Blank RoHS:否 制造商:Micrel 電源電壓-最小:2.7 V 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX1823AEUB+T | 功能描述:電源開關(guān) IC - USB Dual USB Switch w/Fault Blank RoHS:否 制造商:Micrel 電源電壓-最小:2.7 V 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX1823AEUB-T | 功能描述:電源開關(guān) IC - USB Dual USB Switch w/Fault Blank RoHS:否 制造商:Micrel 電源電壓-最小:2.7 V 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX1823BEUB | 功能描述:電源開關(guān) IC - USB Dual USB Switch w/Fault Blank RoHS:否 制造商:Micrel 電源電壓-最小:2.7 V 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-8 封裝:Tube |
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