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參數資料
| 型號： | MAX4987AEETA+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 1/10頁 |
| 文件大小： | 0K |
| 描述： | IC CTLR OVP USB ESD PROT 8TDFN |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 1 |
| 類型： | 過壓保護控制器 |
| 應用： | 手機、媒體播放器 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-WFDFN 裸露焊盤 |
| 供應商設備封裝： | 8-TDFN-EP（2x3） |
| 包裝： | 標準包裝 |
| 其它名稱： | MAX4987AEETA+TDKR |
General Description
The MAX4987AE/MAX4987BE are overvoltage protection
devices with built-in ESD protection for USB data lines.
These devices feature a low 100mΩ (typ) RON internal
nFET switch and protect low-voltage systems against volt-
age faults up to +28V. When the input voltage exceeds
the overvoltage threshold or decreases below the under-
voltage threshold, the internal nFET switch is turned off to
prevent damage to the protected components.
All switches feature a minimum 1.5A current-limit pro-
tection. During a short-circuit occurrence, the switch
operates in an autoretry mode where the internal nFET
switch is turned on to check if the fault has been
removed. The autoretry interval is 30ms, and if the fault
is removed, the nFET switch remains on.
The MAX4987AE/MAX4987BE feature low-capacitance
(3pF) ESD protection for USB data lines that allow
transmission of high-speed USB 2.0 signals.
The overvoltage threshold (OVLO) is preset to 6.15V.
The undervoltage thresholds (UVLO) are preset to 2.55V
(MAX4987AE) or 4.2V (MAX4987BE). When the input
voltage drops below the undervoltage (UVLO) thresh-
old, the devices enter a low-current standby mode.
All devices are offered in a small 2mm x 3mm, 8-pin
TDFN package and operate over the -40°C to +85°C
extended temperature range.
Applications
Cell Phones
Media Players
Features
o Input Voltage Protection Up to +28V
o Integrated Low RON (100mΩ) nFET Switch
o Internal Overcurrent Protection 1.5A (min)
o Overcurrent Protection (Autoretry)
o Enable Input
o Internal 30ms Startup Delay
o Low-Capacitance USB High-Speed Data Line ESD
Protection (3pF)
±15kV Human Body Model
±15kV IEC 61000-4-2 Air Gap
±6kV IEC 61000-4-2 Contact
o Thermal-Shutdown Protection
o 2mm x 3mm, 8-Pin TDFN Package
MAX4987AE/MAX4987BE
Overvoltage-Protection Controller
with USB ESD Protection
________________________________________________________________
Maxim Integrated Products
1
Ordering Information/Selector Guide
19-1059; Rev 0; 11/07
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.
Note: All devices are specified over the -40°C to +85°C operating temperature range.
+
Denotes a lead-free package.
*
Future product—contact factory for availability.
**
EP = Exposed paddle.
Typical Operating Circuit appears at end of data sheet.
PART
PIN-
PACKAGE
TOP MARK
PACKAGE
CODE
UVLO (V)
OVLO (V)
OVERCURRENT
MODE
MAX4987AEETA+
8 TDFN-EP**
AAI
T823-1
2.55
6.15
Autoretry
MAX4987BEETA+*
8 TDFN-EP**
AAJ
T823-1
4.2
6.15
Autoretry
Pin Configuration
13
4
86
5
OUT
VCC
MAX4987AE/
MAX4987BE
2
7
IN
*CONNECT EXPOSED
PAD TO GND.
GND
CD-
CD+
TDFN-EP
2mm x 3mm
TOP VIEW
EN
ACOK
*EP
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX4987AETA+T | 功能描述:電源開關 IC - 配電 Overvoltage-Protect Controller RoHS:否 制造商:Exar 輸出端數量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關閉時間（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 安裝風格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| MAX4989ETD+T | 功能描述:電源開關 IC - USB USB 2.0 2 of 4 Crosspoint Switch 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 |
| MAX4989EVKIT+ | 功能描述:交換機 IC 開發工具 MAX4989 Eval Kit RoHS:否 制造商:Maxim Integrated 產品:Evaluation Kits 類型:USB Power Switches 工具用于評估:MAX4984E 工作電源電壓:2.8 V to 5.5 V |
| MAX498CWI | 功能描述:多路器開關 IC RoHS:否 制造商:Texas Instruments 通道數量:1 開關數量:4 開啟電阻（最大值）:7 Ohms 開啟時間（最大值）: 關閉時間（最大值）: 傳播延遲時間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UQFN-16 |
| MAX498CWI+ | 功能描述:多路器開關 IC RoHS:否 制造商:Texas Instruments 通道數量:1 開關數量:4 開啟電阻（最大值）:7 Ohms 開啟時間（最大值）: 關閉時間（最大值）: 傳播延遲時間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UQFN-16 |
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