參數(shù)資料
型號(hào): MAX1823BEUB
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 電源管理
英文描述: Replaced by TMS320BC52 :
中文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10
封裝: MICRO, SOP-10
文件頁(yè)數(shù): 8/13頁(yè)
文件大?。?/td> 302K
代理商: MAX1823BEUB
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.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
MAX1823BEUB+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-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
MAX1823EUB 功能描述:電源開關(guān) IC - USB 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
MAX1823EUB+ 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