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參數資料
| 型號： | MAX1558 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Dual, 3mm x 3mm, 1.2A/Programmable-Current USB Switches with Autoreset |
| 中文描述： | 雙路、3mm x 3mm、1.2A/可編程電流USB開關，帶有自動復位功能 |
| 文件頁數： | 1/12頁 |
| 文件大小： | 214K |
| 代理商： | MAX1558 |
General Desc ription
The MAX1558/MAX1558H are dual, current-limited
switches with autoreset for USB applications. Autoreset
latches the switch off if it is shorted for more than 20ms,
saving system power. The shorted output is then tested
to determine when the short is removed to automatically
restart the channel. Each channel delivers up to 1.2A
and meets all IEC specifications for USB ports. Low
quiescent supply current (45μA) and standby current
(3μA) conserve battery power in portable applications.
The MAX1558/MAX1558H safety features ensure that the
USB port is protected. Built-in thermal-overload protection
limits power dissipation and junction temperature.
Accurate, programmable current-limiting circuitry pro-
tects the input supply against both overload and short-cir-
cuit conditions. 20ms fault blanking enables the circuit to
ignore transient faults, such as those caused when hot
swapping a capacitive load, preventing false alarms to
the host system. The MAX1558/MAX1558H also feature
reverse-current protection circuitry to block current flow
from the output to the input when the switches are off.
The MAX1558/MAX1558H are available in space-sav-
ing 3mm x 3mm, 10-pin TDFN packages. The MAX1558
is enabled with an active-low signal, and the
MAX1558H is enabled with an active-high signal.
Applic ations
USB Ports and Hubs
Notebook Computers and Desktops
PDAs and Palmtop Computers
Docking Stations
Features
55m
Switch Resistance
Tiny 10-Pin, 3mm x 3mm TDFN Package
14% Accurate Current Limit
Autorestart when Fault is Removed
Programmable Current Up to 1.2A
Thermal-Overload Protection
Built-In 20ms Fault Blanking
Compliant to All USB Specifications
2.7V to 5.5V Supply Range
Independent-Output Fault Indicators
Block Reverse Current when Disabled
15kV ESD Protection (with Capacitor)
UL Listing Pending
M
Dual, 3mm x 3mm, 1.2A/Programmable-Current
US B S witc hes with Autoreset
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
Ordering Information
19-3128; Rev 0; 6/04
PART
TEMP RANGE
PIN-
PACKAGE
TOP
MARK
MAX1558
ETB
-40
°
C to +85
°
C
10 TDFN
(3mm x 3mm)
AAR
MAX1558H
ETB
-40
°
C to +85
°
C
10 TDFN
(3mm x 3mm)
AAS
MAX1558
INPUT
2.7V TO5.5V
INA
INB
ISET
FLTA
FLTB
ONA
ONB
ONA
ONB
OUTA
OUTB
GND
USB
PORT A
USB
PORT B
Typic al Operating Circ uit
2
3
9
8
TDFN
3mm x 3mm
TOP VIEW
4
5
7
6
1
MAX1558
(MAX1558H)
10
ISET
INA
INB
ONA (ONA)
ONB (ONB)
OUTA
GND
OUTB
FLTA
FLTB
Pin Configuration
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX15588GTL+ | 制造商:Maxim Integrated Products 功能描述:2-/1-PHASE+1 PHASE QUICKTUNE-PWM CONTROLLER WITH I2C INTERFA - Rail/Tube 制造商:Maxim Integrated Products 功能描述:IC PWM CTLR I2C INTERFACE QFN |
| MAX15588GTL+T | 制造商:Maxim Integrated Products 功能描述:2-/1-PHASE+1 PHASE QUICKTUNE-PWM CONTROLLER WITH I2C INTERFA - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC PWM CTLR I2C INTERFACE QFN |
| MAX1558ETB | 制造商:Maxim Integrated Products 功能描述:DUAL 3MM X 3MM 1.2A/PROGRAMMABLE-C - Rail/Tube 制造商:Rochester Electronics LLC 功能描述: |
| MAX1558ETB+ | 制造商:Maxim Integrated Products 功能描述:USB PWR SW DUAL 2.75V TO 5.5V 2A 10TDFN EP - Bulk |
| MAX1558ETB+T | 功能描述:電源開關 IC - USB Dual 1.2A/Prog-Crnt USB Switch w/Autorst 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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