參數(shù)資料
型號(hào): BTS728L2
廠商: SIEMENS A G
元件分類: 外設(shè)及接口
英文描述: Smart High-Side Power Switch Two Channels: 2 x 60mW Status Feedback
中文描述: 4 A 2 CHANNEL, BUF OR INV BASED PRPHL DRVR, PDSO20
封裝: PLASTIC, SO-20
文件頁(yè)數(shù): 4/14頁(yè)
文件大小: 241K
代理商: BTS728L2
BTS 728 L2
Semiconductor Group
Page 12
1999-Mar-23
Figure 3a: Turn on into short circuit:
shut down by overtemperature, restart by cooling
other channel: normal operation
t
I
ST
IN1
L1
L(SCr)
I
L(lim)
t
off(SC)
Heating up of the chip may require several milliseconds, depending
on external conditions
Figure 3b: Turn on into short circuit:
shut down by overtemperature, restart by cooling
(two parallel switched channels 1 and 2)
t
ST1/2
IN1/2
L1
L2
L(SCr)
I
2xIL(lim)
I
+ I
t
off(SC)
ST1 and ST2 have to be configured as a ’Wired OR’ function
ST1/2 with a single pull-up resistor.
Figure 4a: Overtemperature:
Reset if
Tj <Tjt
IN
ST
OUT
J
t
V
T
Figure 5a: Open load: detection in ON-state, open
load occurs in on-state
IN
ST
OUT
L
t
V
I
open
normal
t
d(ST OL)
t
d(ST OL)
td(ST OL) = 10
s typ.
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