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參數(shù)資料
| 型號： | ST20450-X40S |
| 英文描述： | Stratix II FPGA 130K FBGA-780 |
| 中文描述： | 32位微處理器 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大小： | 189K |
| 代理商： | ST20450-X40S |
1/8
October 2003
I
80m
HIGH-SIDE MOSFET SWITCH
500mA CONTINUOUS CURRENT PER
CHANNEL
INDEPENDENT THERMAL AND
SHORT-CIRCUIT PROTECTION WITH
OVERCURRENT LOGIC OUTPUT
OPERATING RANGE FROM 2.7V TO 5.5V
CMOS- AND TTL-COMPATIBLE ENABLE
INPUTS
2.5ms TYPICAL RISE TIME
UNDERVOLTAGE LOCKOUT
20
μ
A MAXIMUM STANDBY SUPPLY
CURRENT
AMBIENT TEMPERATURE RANGE, 0°C TO
85°C
ESD PROTECTION
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DESCRIPTION
The
ST2044
intended for application where heavy capacitive
loads
and
short
circuits
encountered. These devices incorporate 80m
N-channel MOSFET high-side power switches for
power-distribution systems that require multiple
powers switches in a single package. Each switch
is controlled by an independent logic enable input.
Gate drive is provided by an internal charge pump
designed to control the power-switch rise times
and fall times to minimize current surges during
power
distribution
switches
is
are
likely
to
be
switching. The charge pump requires no external
components and allows operation from supplies
as low as 2.7 V.
When the output load exceeds the current-limit
threshold or a short is present, these devices limit
the output current to a safe level by switching into
a constant-current mode, pulling the overcurrent
(OCx) logic output low. When continuous heavy
overloads and short circuits increase the power
dissipation in the switch, causing the junction
temperature to rise, a thermal protection circuit
shuts off the switch to prevent damage. Recovery
from a thermal shutdown is automatic once the
device has cooled sufficiently. Internal circuitry
ensures the switch remains off until valid input
voltage
is
present.
These
switches are designed to current limit at 0.9 A.
power-distribution
ORDERING CODES
Type
Temperature
Range
Package
Comments
ST2044BD
ST2044BDR
-40 to 85 °C
-40 to 85 °C
SO-16 (Tube)
SO-16 (Tape & Reel)
50parts per tube / 40tube per box
2500 parts per reel
ST2044
CURRENT LIMITED
POWER DISTRIBUTION SWITCHES
SOP
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ST2045AXTR | 功能描述:DIODE SCHOTTKY 45V R-6 制造商:smc diode solutions 系列:- 包裝:剪切帶（CT） 零件狀態(tài):有效 二極管類型:肖特基 電壓 - DC 反向（Vr）（最大值）:45V 電流 - 平均整流（Io）:- 不同 If 時的電壓 - 正向（Vf）:580mV @ 20A 速度:快速恢復(fù) = 200mA（Io） 反向恢復(fù)時間（trr）:- 不同?Vr 時的電流 - 反向漏電流:1.2mA @ 45V 不同?Vr，F(xiàn) 時的電容:- 安裝類型:通孔 封裝/外殼:R6，軸向 供應(yīng)商器件封裝:R-6 工作溫度 - 結(jié):-55°C ~ 150°C 標(biāo)準(zhǔn)包裝:1 |
| ST2045C | 功能描述:DIODE ARRAY SCHOTTKY 45V TO220AB 制造商:smc diode solutions 系列:- 包裝:管件 零件狀態(tài):有效 二極管配置:1 對共陰極 二極管類型:肖特基 電壓 - DC 反向（Vr）（最大值）:45V 電流 - 平均整流（Io）（每二極管）:- 不同 If 時的電壓 - 正向（Vf）:580mV @ 10A 速度:快速恢復(fù) = 200mA（Io） 反向恢復(fù)時間（trr）:- 不同?Vr 時的電流 - 反向漏電流:2mA @ 45V 安裝類型:通孔 封裝/外殼:TO-220-3 供應(yīng)商器件封裝:TO-220AB 標(biāo)準(zhǔn)包裝:50 |
| ST20-473 | 制造商:RFE 制造商全稱:RFE international 功能描述:TEMPERATURE COMPENSATING THERMISTORS ST Series: Surface Mount |
| ST20-48-2.5S | 制造商:ARCH 制造商全稱:ARCH 功能描述:Encapsulated DC-DC Converter |
| ST20-48-3.3S | 制造商:ARCH 制造商全稱:ARCH 功能描述:Encapsulated DC-DC Converter |
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