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| 型号： | MAX3203EEBT+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/9页 |
| 文件大小： | 0K |
| 描述： | IC ESD PROT ARRAY 5-UCSP |
| 标准包装： | 2,500 |
| 电极标记： | 3 通道阵列 - 单向 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 5-WFBGA，CSPBGA |
| 供应商设备封装： | 5-UCSP（1.52x1.05） |
| 包装： | 带卷 (TR) |
Low-Capacitance, 2/3/4/6-Channel, ±15kV ESD
Protection Arrays for High-Speed Data Interfaces
V C = V CC + V F ( ) + ? L 1 x
?
? ? + ? ? L 2 x
Detailed Description
The MAX3202E/MAX3203E/MAX3204E/MAX3206E are
diode arrays designed to protect sensitive electronics
against damage resulting from ESD conditions or tran-
sient voltages. The low input capacitance makes these
?
D 1
For negative ESD pulses:
d(I ESD ) ? ?
dt
d(I ESD ) ?
?
dt ?
? ? + ? ? L 3 x
devices ideal for high-speed data lines. The
MAX3202E, MAX3203E, MAX3204E, and MAX3206E
protect two, three, four, and six channels, respectively.
? ?
? ?
V C = ? ? V F ( D 2 ) + ? L 1 x
d(I ESD ) ? ?
dt
d(I ESD ) ? ?
? ?
dt ? ?
The MAX3202E/MAX3203E/MAX3204E/MAX3206E are
designed to work in conjunction with a device’s intrinsic
ESD protection. The MAX3202E/MAX3203E/MAX3204E/
MAX3206E limit the excursion of the ESD event to
below ±25V peak voltage when subjected to the
Human Body Model waveform. When subjected to the
IEC 61000-4-2 waveform, the peak voltage is limited to
±60V when subjected to Contact Discharge and ±100V
when subjected to Air-Gap Discharge. The device that
where I ESD is the ESD current pulse.
POSITIVE SUPPLY RAIL
L2
is being protected by the MAX3202E/MAX3203E/
MAX3204E/MAX3206E must be able to withstand these
peak voltages plus any additional voltage generated by
the parasitic board.
Applications Information
Design Considerations
Maximum protection against ESD damage results from
proper board layout (see the Layout Recommendations
section and Figure 2). A good layout reduces the para-
sitic series inductance on the ground line, supply line,
and protected signal lines.
PROTECTED
LINE
L1
D1
I/O_
D2
L3
GROUND RAIL
The MAX3202E/MAX3203E/MAX3204E/MAX3206E ESD
diodes clamp the voltage on the protected lines during
an ESD event and shunt the current to GND or V CC . In
Figure 1. Parasitic Series Inductance
an ideal circuit, the clamping voltage, V C , is defined as
the forward voltage drop, V F , of the protection diode
plus any supply voltage present on the cathode.
For positive ESD pulses:
V C = V CC + V F
For negative ESD pulses:
V C = -V F
V CC
L1
PROTECTED LINE
NEGATIVE ESD
CURRENT
PULSE
L2
In reality, the effect of the parasitic series inductance
on the lines must also be considered (Figure 1).
For positive ESD pulses:
PATH TO
GROUND
D1
I/O_
V C
PROTECTED
CIRCUIT
D2
GND
Figure 2. Layout Considerations
L3
4
_______________________________________________________________________________________
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相关代理商/技术参数 |
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|---|---|
| MAX3203EETT | 制造商:Maxim Integrated Products 功能描述:LOW-CAPACITANCE, 3-CHANNEL, +/-15KV ESD PROTE - Rail/Tube |
| MAX3203EETT+ | 制造商:Maxim Integrated Products 功能描述:LOW-CAPACITANCE, 2/3/4/6-CHANNEL, ??15KV ESD-PROTECTION ARRA - Rail/Tube |
| MAX3203EETT+T | 功能描述:TVS二极管阵列 3Ch ESD Protection Array RoHS:否 制造商:Littelfuse 极性: 通道:4 Channels 击穿电压: 钳位电压:11.5 V 工作电压:2.5 V 峰值浪涌电流:20 A 安装风格:SMD/SMT 端接类型:SMD/SMT 系列: 最小工作温度:- 40 C 最大工作温度:+ 85 C |
| MAX3203EETT-T | 功能描述:USB 接口集成电路 RoHS:否 制造商:Cypress Semiconductor 产品:USB 2.0 数据速率: 接口类型:SPI 工作电源电压:3.15 V to 3.45 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:WLCSP-20 |
| MAX3203EEWT+T | 功能描述:TVS二极管阵列 3Ch ESD Protection Array RoHS:否 制造商:Littelfuse 极性: 通道:4 Channels 击穿电压: 钳位电压:11.5 V 工作电压:2.5 V 峰值浪涌电流:20 A 安装风格:SMD/SMT 端接类型:SMD/SMT 系列: 最小工作温度:- 40 C 最大工作温度:+ 85 C |
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