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參數(shù)資料
| 型號(hào)： | PIP3224-DC |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 外設(shè)及接口 |
| 英文描述： | Dual channel high-side TOPFET |
| 中文描述： | 3.6 A BUF OR INV BASED PRPHL DRVR, PSSO6 |
| 封裝： | PLASTIC, SOT-427, D2PAK-6 |
| 文件頁數(shù)： | 4/16頁 |
| 文件大?。?/td> | 105K |
| 代理商： | PIP3224-DC |
Philips Semiconductors
PIP3224-DC
Dual channel high-side TOPFET
Product data
Rev. 01 — 20 February 2004
4 of 16
9397 750 12362
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
5.
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 7 “Static characteristics”
.
Table 4:
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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