參數(shù)資料
型號(hào)： MAX4797ETT+T
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 1/9頁(yè)
文件大?。?/td> 0K
描述： IC SWITCH 1X1 6TDFN
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 2,500
功能： 開關(guān)
電路： 1 x 1:1
導(dǎo)通狀態(tài)電阻： 360 毫歐
電流 - 電源： 125µA
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 6-WDFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 6-TDFN 裸露焊盤（3x3）
包裝： 帶卷 (TR)
General Description
The MAX4795–MAX4798 family of switches feature inter-
nal current limiting to prevent damage to host devices
due to faulty load conditions. These analog switches
have a low 0.2
on-resistance and operate from a 2.0V
to 4.5V input voltage range. They are available with guar-
anteed 450mA and 500mA current limits, making them
ideal for SDIO and other load-switching applications.
When the switch is on and a load is connected to the
port, a guaranteed blanking time of 14ms ensures the
transient voltages settle down. If after this blanking time,
the load current is greater than the current limit, the
MAX4795 and MAX4797 switches are turned off and
FLAG is issued to the microprocessor. The switch can be
turned on again by cycling the power or the ON input.
The MAX4796 and MAX4798 have an autoretry feature
where the switch turns off and issues a FLAG to the
microprocessor after the blanking time and then contin-
uously checks to see if the overload condition is pre-
sent. The switch remains on after the overload condition
disappears and FLAG deasserts.
The MAX4795–MAX4798 are available in tiny, space-
saving, 5-pin SOT23 and 6-pin TDFN (3mm x 3mm)
packages.
Applications
SDIO
PDAs and Palmtop Devices
Cell Phones
GPS Systems
Hand-Held Devices
Features
o Guaranteed Current Limit: 450mA and 500mA
o Thermal-Shutdown Protection
o Reverse-Current Protection
o 0.2 On-Resistance
o 14ms Guaranteed Blanking Time
o FLAG Function
o Autoretry (MAX4796/MAX4798)
o 80A Supply Current
o 6A Latchoff Current
(MAX4795/MAX4797)
o 0.01A Shutdown Current
o +2V to +4.5V Supply Range
o Fast Current-Limit Response Time
o Tiny SOT23 and TDFN Packages
o UL Certification Pending
MAX4795–MAX4798
450mA/500mA Current-Limit Switches
________________________________________________________________ Maxim Integrated Products
1
Ordering Information
+2.0V TO +4.5V
IN
OUT
FLAG
GND
ON
P
TO SDIO PORT
MAX4795
MAX4796
MAX4797
MAX4798
Typical Operating Circuit
19-2944; Rev 0; 8/03
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.
PART
TEMP RANGE
PIN-
PACKAGE
TOP
MARK
MAX4795EUK-T
-40°C to +85°C
5 SOT23-5
AEDI
MAX4795ETT*
40°C to +85°C
6 TDFN-EP**
—
MAX4796EUK-T
-40°C to +85°C
5 SOT23-5
AEDJ
MAX4796ETT*
-40°C to +85°C
6 TDFN-EP**
—
MAX4797EUK-T
-40°C to +85°C
5 SOT23-5
AEDK
MAX4797ETT*
-40°C to +85°C
6 TDFN-EP**
—
MAX4798EUK-T
-40°C to +85°C
5 SOT23-5
AEDL
MAX4798ETT*
-40°C to +85°C
6 TDFN-EP**
—
GND
FLAG
15 OUT
IN
MAX4795
MAX4796
MAX4797
MAX4798
SOT23
TOP VIEW
2
34
ON
OUT
FLAG
16 ON
5 GND
IN
MAX4795
MAX4796
MAX4797
MAX4798
TDFN
2
34
N.C.
Pin Configurations
*Future product—contact factory for availability.
**EP = Exposed pad.
Selector Guide appears at end of data sheet.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX4797EUK 制造商:Maxim Integrated Products 功能描述:- Cut Tape Product
MAX4797EUK-T 功能描述:電源開關(guān) IC - 配電 RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻（最大值）:85 mOhms 開啟時(shí)間（最大值）:400 us 關(guān)閉時(shí)間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5
MAX4798ETT+T 功能描述:電源開關(guān) IC - 配電 450mA/500mA Current Limit Switch RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻（最大值）:85 mOhms 開啟時(shí)間（最大值）:400 us 關(guān)閉時(shí)間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5
MAX4798ETT-T 功能描述:電源開關(guān) IC - 配電 RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻（最大值）:85 mOhms 開啟時(shí)間（最大值）:400 us 關(guān)閉時(shí)間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5
MAX4798EUK 制造商:Maxim Integrated Products 功能描述:- Cut Tape Product
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