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MAX1607ESA 参数 Datasheet PDF下载

MAX1607ESA图片预览
型号: MAX1607ESA
PDF下载: 下载PDF文件 查看货源
内容描述: USB限流开关引脚兼容封装 [USB Current-Limited Switch in Pin-Compatible Package]
分类和应用: 稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
文件页数/大小: 10 页 / 246 K
品牌: MAXIM [ MAXIM INTEGRATED PRODUCTS ]
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19-1544; Rev 2; 09/07
USB Current-Limited Switch
in Pin-Compatible Package
General Description
The MAX1607 is a current-limited 60mΩ switch with
built-in fault blanking. Its accurate, preset 0.7A to 1.0A
current limit makes it ideal for USB applications. Its low
quiescent supply current (14µA) and standby current
(1µA) conserve battery power in portable applications.
The MAX1607 operates with inputs from +2.7V to
+5.5V, making it ideal for both 3V and 5V systems.
An overcurrent signal (OC) notifies the microprocessor
that the internal current limit has been reached. A 10ms
overcurrent-blanking feature allows momentary faults
(such as those caused when hot-swapping into a
capacitive load) to be ignored, thus preventing false
alarms to the host system. This blanking also prevents
an
OC
signal from being issued when the device is
powering up.
The MAX1607 has several safety features to ensure that
the USB port is protected. Built-in thermal-overload pro-
tection limits power dissipation and junction temperature.
The device also has accurate internal current-limiting
circuitry to protect the input supply against overload.
The MAX1607 is a pin-compatible upgrade to Texas
Instruments’ TPS2014, TPS2015, and TPS2041 for USB
applications. The same die is available in a space-sav-
ing 10-pin µMAX
®
package (MAX1693) and can be
used for next-generation designs. The MAX1694 is sim-
ilar to the MAX1693, but it has a built-in latch that turns
off the power switch in case of a long-term short-
circuit condition.
The MAX1607 is also offered in a 10-pin TDFN package
(not pin compatible with Texas Instruments TPS2014,
TPS2015, and TPS2041 for USB applications).
Features
SO Package is Pin Compatible with TPS2014,
TPS2015, and TPS2041
Accurate Current Limit (0.7A min, 1.0A max)
Guaranteed 0.75A Short-Circuit Protection
10ms Internal
OC
Blanking Timeout
No Overcurrent (OC) Signal During Power-Up
125mΩ max High-Side MOSFET
500mA Continuous Current
Short-Circuit and Thermal Protection with
Overcurrent Logic Output
1ms Start-Up Time
Undervoltage Lockout
14µA Quiescent Supply Current
1µA max Standby Supply Current
+2.7V to +5.5V Supply Range
UL Recognized #E211935
MAX1607
Ordering Information
PART
MAX1607ESA
MAX1607ETB+
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
PIN-
PACKAGE
8 SO
10 TDFN-EP*
PKG
CODE
S8-5
T1033-1
*EP
= Exposed paddle.
+Denotes
a lead-free package.
Applications
Notebook Computers
USB Ports
USB Hubs
Docking Stations
Typical Operating Circuit
INPUT
+2.7V TO +5.5V
IN
OUT
OUTPUT
Pin Configurations
TOP VIEW
GND
1
IN
IN
2
8
7
OUT
OUT
OUT
OC
MAX1607
MAX1607
3
6
5
EN
4
OC
OFF
ON
EN
GND
SO
Pin Configurations continued at end of data sheet.
µMAX is a registered trademark of Maxim Integrated Products, Inc.
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim's website at www.maxim-ic.com.