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參數(shù)資料
| 型號： | BUK221-50DY |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | JFETs |
| 英文描述： | Dual channel high-side TOPFET |
| 中文描述： | 4 A, 45 V, 0.09 ohm, 2 CHANNEL, N-CHANNEL, Si, POWER, MOSFET |
| 封裝： | PLASTIC, D2PAK-7 |
| 文件頁數(shù)： | 4/16頁 |
| 文件大小： | 435K |
| 代理商： | BUK221-50DY |
Philips Semiconductors
BUK221-50DY
Dual channel high-side TOPFET
Product data
Rev. 01 — 16 April 2003
4 of 16
9397 750 11167
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
4.
Functional description
A diagnostic status ensures faster fault detection.
Active current limit is combined with latched short circuit protection in order to
protect the device in the event of a short circuit.
Thermal shutdown for high temperature conditions has an automatic restart at a
lower temperature so providing protection against excessive power dissipation.
Active clamping protects the device against low energy spikes.
Undervoltage lockout means the device shuts down for low battery voltages, thus
avoiding faulty operation.
Overvoltage shutdown in the on-state protects a load such as a lamp filament from
potentially destructive voltage spikes.
[1]
The status will continue to indicate OT (even if the input goes LOW) until the device cools below the reset threshold temperature.
See “Overtemperature protection” characteristics in
Table 6 “Static characteristics”
.
Table 3:
Abbreviations: L = logic LOW; H = logic HIGH; X = don’t care; 0 = condition not present; 1 = condition present;
UV = undervoltage; OV = overvoltage; OC = open circuit load; SC = short circuit; OT = overtemperature
[1]
.
Input
Supply
Load 1
Load 2
1
2
UV
OV
OC
SC
OT
OC
L
L
0
X
0
X
X
0
L
L
0
X
1
X
X
X
Truth table
Load output
1
OFF
OFF
Status Operating mode
SC
X
X
OT
X
X
2
OFF
OFF
H
L
both off & normal
both off, one/both OC or
shorted to V
S
or battery;
Figure 10
one off & OC, with other on
& normal
one on & normal, with other
off & normal
both on & normal
supply undervoltage lockout
supply overvoltage
shutdown
one SC tripped
one SC tripped, with other
off & normal
one SC tripped, with other
on & normal
one OT shutdown
one OT shutdown, with other
off & normal
one OT shutdown, with other
on & normal
L
H
0
X
1
X
X
0
0
0
OFF
ON
L
H
L
0
0
0
0
0
0
0
0
ON
OFF
H
H
H
H
H
X
X
0
1
0
0
0
1
0
X
X
0
X
0
0
X
0
0
0
X
0
X
0
0
X
0
ON
OFF
OFF
ON
OFF
OFF
H
H
H
H
H
X
L
0
0
0
0
0
0
1
1
X
X
X
0
X
0
X
X
OFF
OFF
X
L
L
OFF
H
H
0
0
0
1
X
0
0
0
OFF
ON
L
H
H
X
L
0
0
0
0
0
0
0
0
1
1
X
0
X
0
X
X
OFF
OFF
X
L
L
OFF
H
H
0
0
0
0
1
0
0
0
OFF
ON
L
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| BUK221-50DY,118 | 功能描述:MOSFET N-CH 50V 4A SOT427 RoHS:是 類別:集成電路 (IC) >> PMIC - MOSFET，電橋驅(qū)動器 - 內(nèi)部開關(guān) 系列:TOPFET™ 標(biāo)準(zhǔn)包裝:1,000 系列:- 類型:高端/低端驅(qū)動器 輸入類型:SPI 輸出數(shù):8 導(dǎo)通狀態(tài)電阻:850 毫歐，1.6 歐姆 電流 - 輸出 / 通道:205mA，410mA 電流 - 峰值輸出:500mA，1A 電源電壓:9 V ~ 16 V 工作溫度:-40°C ~ 150°C 安裝類型:表面貼裝 封裝/外殼:20-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:PG-DSO-20-45 包裝:帶卷 (TR) |
| BUK223-50Y | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:PowerMOS transistor TOPFET high side switch |
| BUK223-50Y,127 | 功能描述:MOSFET RAIL TOPFET2 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(xù)電流:130 A 電阻汲極/源極 RDS（導(dǎo)通）:0.014 Ohms 配置:Single 最大工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:Max247 封裝:Tube |
| BUK224-50Y | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:TOPFET high side switch |
| BUK224-50Y /T3 | 功能描述:電源開關(guān) IC - 配電 TAPE13 TOPFET2 RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關(guān)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(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
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