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參數資料
| 型號： | MIC94050BM4 |
| 廠商： | MICREL INC |
| 元件分類： | 功率晶體管 |
| 英文描述： | 4-Terminal TinyFET⑩ P-Channel MOSFET |
| 中文描述： | 1800 mA, 6 V, P-CHANNEL, Si, SMALL SIGNAL, MOSFET |
| 文件頁數： | 1/5頁 |
| 文件大小： | 42K |
| 代理商： | MIC94050BM4 |
MIC94050/94051
Micrel
July 2002
1
MIC94050/94051
MIC94050/94051
4-Terminal TinyFET P-Channel MOSFET
Final
General Description
The MIC94050 and MIC94051 are 4-terminal silicon gate
P-channel MOSFETs that provide low on-resistance in a very
small package.
Designed for high-side switch applications where space is
critical, the MIC94050/1 exhibits an on-resistance of typically
0.125
at 4.5V gate-to-source voltage. The MIC94050/1 also
operates with only 1.8V gate-to-source voltage.
The MIC94050 is the basic 4-lead P-channel MOSFET. The
MIC94051 is a variation that includes an internal gate pull-up
resistor that can reduce the system parts count in many
applications.
The 4-terminal SOT-143 package permits a substrate con-
nection separate from the source connection. This 4-terminal
configuration improves the
θ
JA
(improved heat dissipation)
and makes reverse-blocking switch applications practical.
The small size, low threshold, and low R
DS(on)
make the
MIC94050/1 the ideal choice for PCMCIA, USB, back-up
battery-power, and distributed power management applica-
tions.
Features
0.125
typical on-resistance
at 4.5V gate-to-source voltage
Operates with 1.8V gate-to-source voltage
Separate substrate connection allows reverse-blocking
Applications
Distributed power management
PCMCIA card power management
USB ports
Battery-powered computers, peripherals
Handheld bar-code scanners
Portable communications equipment
Reverse blocking battery management
Ordering Information
Part Number
MIC94050BM4
MIC94051BM4
* Operating Junction Temperature
Temperature Range*
–40
°
C to +150
°
C
–40
°
C to +150
°
C
Package
SOT-143
SOT-143
Gate
Source
Drain
Substrate
Schematic Symbol
MIC94050
MIC94051
Schematic Symbol
Pin Configuration
SOT-143 Package (M4)
Typical PCB Layout
S
D
G
SS
PCB heat sink
plane improves
heat dissipation
PCB traces
G
S
D
SS
~350k
Internal
gate-to-source
pull-up resistor
G
S
D
SS
Functional Diagrams
Substrate
Source
Gate
Drain
P5x
Part
Identification
Part Number
MIC94050BM4
MIC94051BM4
Identification
P50
P51
Micrel, Inc.
1849 Fortune Drive
San Jose, CA 95131
USA
tel + 1 (408) 944-0800
fax + 1 (408) 944-0970
http://www.micrel.com
TinyFET is a trademark of Micrel, Inc.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MIC94050BM4 TR | 功能描述:MOSFET P-CH 6V 1.8A SOT-143 RoHS:否 類別:分離式半導體產品 >> FET - 單 系列:SymFET™ 標準包裝:1,000 系列:MESH OVERLAY™ FET 型:MOSFET N 通道，金屬氧化物 FET 特點:邏輯電平門 漏極至源極電壓(Vdss):200V 電流 - 連續漏極(Id) @ 25° C:18A 開態Rds（最大）@ Id, Vgs @ 25° C:180 毫歐 @ 9A，10V Id 時的 Vgs(th)（最大）:4V @ 250µA 閘電荷(Qg) @ Vgs:72nC @ 10V 輸入電容 (Ciss) @ Vds:1560pF @ 25V 功率 - 最大:40W 安裝類型:通孔 封裝/外殼:TO-220-3 整包 供應商設備封裝:TO-220FP 包裝:管件 |
| MIC94050YM4 | 制造商:Rochester Electronics LLC 功能描述: 制造商:RF Micro Devices Inc 功能描述: |
| MIC94050YM4 TR | 功能描述:MOSFET 1.8V-rated reverse-blocking PFET - Lead Free RoHS:否 制造商:STMicroelectronics 晶體管極性:N-Channel 汲極/源極擊穿電壓:650 V 閘/源擊穿電壓:25 V 漏極連續電流:130 A 電阻汲極/源極 RDS（導通）:0.014 Ohms 配置:Single 最大工作溫度: 安裝風格:Through Hole 封裝 / 箱體:Max247 封裝:Tube |
| MIC94050YM4TR | 制造商:Micrel 功能描述:MOSFET P-Channel 6V 1.8A SOT143 |
| MIC94050YM4-TR | 功能描述:MOSFET P-CH 6V 1.8A SOT-143 制造商:microchip technology 系列:SymFET?? 包裝:剪切帶（CT） 零件狀態:有效 FET 類型:MOSFET P 通道，金屬氧化物 FET 功能:標準 漏源極電壓（Vdss）:6V 電流 - 連續漏極（Id）（25°C 時）:1.8A（Ta） 不同?Id，Vgs 時的?Rds On（最大值）:160 毫歐 @ 100mA，4.5V 不同 Id 時的 Vgs（th）（最大值）:1.2V @ 250μA 不同 Vgs 時的柵極電荷（Qg）:- 不同 Vds 時的輸入電容（Ciss）:600pF @ 5.5V 功率 - 最大值:568mW 工作溫度:-40°C ~ 150°C（TJ） 安裝類型:表面貼裝 封裝/外殼:TO-253-4，TO-253AA 供應商器件封裝:SOT-143 標準包裝:1 |
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