參數(shù)資料
型號(hào)： BUK218-50DY
廠(chǎng)商： NXP SEMICONDUCTORS
元件分類(lèi)： 外設(shè)及接口
英文描述： TOPFET dual high side switch
中文描述： 8 A 2 CHANNEL, BUF OR INV BASED PRPHL DRVR, PSSO6
封裝： PLASTIC, SOT-427, D2PAK-7
文件頁(yè)數(shù)： 5/9頁(yè)
文件大小： 64K
代理商： BUK218-50DY
Philips Semiconductors
Product specification
TOPFET dual high side switch
BUK218-50DY
UNDERVOLTAGE & OVERVOLTAGE CHARACTERISTICS
Limits are at -40C
≤
T
mb
≤
150C and typicals at T
mb
= 25C. Refer to
TRUTH TABLE
.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Undervoltage
V
BG(UV)
Low supply threshold voltage
1
2
4.2
5.3
V
V
BG(UV)
Hysteresis
0.1
0.5
1
V
Overvoltage
V
BG(OV)
V
BG(OV)
High supply threshold voltage
2
Hysteresis
35
0.4
40
1
45
2
V
V
I
BG(OV)
Operating current per channel
V
BG
= 45 V
-
1
2
mA
OVERLOAD PROTECTION CHARACTERISTICS
Independent protection per channel. Refer to
TRUTH TABLE
.
5.5 V
≤
V
BG
≤
35 V, limits are at -40C
≤
T
mb
≤
150C and typicals at T
mb
= 25C unless otherwise stated.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Overload protection
V
BL
= V
BG
; t
p
= 300
μ
s
I
L(lim)
Load current limiting
V
BG
≥
8 V
V
BG
= 5.5 V
18
15
30
27
42
42
A
A
Short circuit load protection
T
mb
≤
125C prior to overload
3
for latched protection
4
P
D(TO)
Overload power threshold
100
150
200
W
T
DSC
Characteristic time
which determines trip time
5
-
200
500
μ
s
Overtemperature protection
T
j(TO)
Threshold junction temperature
150
170
190
C
T
j(TO)
Hysteresis
6
3
10
20
C
1
Undervoltage sensors causes each channel to switch off and reset.
2
Overvoltage sensors causes each output channel to switch off to protect its load.
3
Above this temperature measurement of these parameters is prevented because OT protection may occur prior to SC protection.
4
SC protection for P
> P
is latched. Normal operation may only be resumed after the input is toggled low then high again.
Normal operation is maintained as long as P
D
< P
D(TO)
and T
j
< T
j(TO)
.
5
Trip time t
d sc
varies with overload dissipation P
D
according to the
exponential model
formula t
d sc
≈
T
DSC
/ LN[ P
D
/ P
D(TO)
].
6
After cooling below the reset temperature the channel will resume normal operation.
May 2001
5
Rev 1.400
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BUK218-50DY /T3 功能描述:電源開(kāi)關(guān) IC - 配電 TAPE13 PWR-MOS RoHS:否 制造商:Exar 輸出端數(shù)量:1 開(kāi)啟電阻（最大值）:85 mOhms 開(kāi)啟時(shí)間（最大值）:400 us 關(guān)閉時(shí)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
BUK218-50DY,118 功能描述:電源開(kāi)關(guān) IC - 配電 TAPE13 PWR-MOS RoHS:否 制造商:Exar 輸出端數(shù)量:1 開(kāi)啟電阻（最大值）:85 mOhms 開(kāi)啟時(shí)間（最大值）:400 us 關(guān)閉時(shí)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
BUK219-50Y 功能描述:電源開(kāi)關(guān) IC - 配電 RAIL TOPFET2 RoHS:否 制造商:Exar 輸出端數(shù)量:1 開(kāi)啟電阻（最大值）:85 mOhms 開(kāi)啟時(shí)間（最大值）:400 us 關(guān)閉時(shí)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
BUK219-50Y,127 功能描述:電源開(kāi)關(guān) IC - 配電 BUK219-50Y/SOT263/RAILH// RoHS:否 制造商:Exar 輸出端數(shù)量:1 開(kāi)啟電阻（最大值）:85 mOhms 開(kāi)啟時(shí)間（最大值）:400 us 關(guān)閉時(shí)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
BUK220-50Y 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:TOPFET high side switch SMD version of BUK219-50Y
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