參數(shù)資料
型號: LTC1153C
廠商: Linear Technology Corporation
英文描述: Auto-Reset Electronic Circuit Breaker
中文描述: 自動復(fù)位電子斷路器
文件頁數(shù): 11/16頁
文件大小: 342K
代理商: LTC1153C
11
LTC1153
U
S
A
Five volt linear regulators with small output capacitors
are the most difficult to protect as they can “switch”
from a voltage mode to a current limited mode very
quickly. The large output capacitors on many switching
regulators, on the other hand, may be able to hold the
supply pin of the LTC1153 above 3.5V sufficiently long
that this extra filtering is not required.
O
PPLICATI
IU
U
TYPICAL APPLICATIU
Over-Temperature Circuit Breaker
24V to 28V Over-Temperature Circuit Breaker
Over-Voltage Circuit Breaker
24V to 28V Over-Temperature Circuit Breaker
with Bootstrapped Supply
IN
C
T
STATUS
GND
V
S
DS
G
SD
LTC1153
0.47
μ
F
+
100
μ
F
MTD3055E
12V
LTC1153 TA03
12V
LOAD
51k
*RL3006-50-100-25-PT0 KEYSTONE
30k
5V
*PTC
THERMISTOR
100°C)
5V
Because the LTC1153 is micropower in both the standby
and ON state, the voltage drop across the supply filter
is less than 2mV, and does not significantly alter the
accuracy of the 100mV drain sense threshold voltage.
IN
C
T
STATUS
GND
V
S
DS
G
SD
LTC1153
0.22
μ
F
+
10
μ
F
IRLD024
4.75V TO 5.25V
LTC1153 TA05
5V
LOAD
51k
5V
100
SWITCH IS SHUTDOWN WHEN V
S
> 5.7V
5.6V
IN
C
T
STATUS
GND
V
S
DS
G
SD
LTC1153
0.47
μ
F
+
100
μ
F
MTP15N06E
24V TO 28V
LTC1153 TA06
24V TO 28V
LOAD
5V
5V
30k
+
10
μ
F
18V
100k
*PTC
THERMISTOR
100°C)
6.2k
1N4148
KEYSTONE RL2006-100-100-30-PT.
MOUNT ON MOSFET OR LOAD HEAT SINK.
BOOTSTRAPPING REDUCES I
Q(OFF)
TO 60
μ
A, I
Q(ON)
= 1mA.
*
**
51k
IN
C
T
STATUS
GND
V
S
DS
G
SD
LTC1153
0.47
μ
F
+
100
μ
F
MTP12N06
24V TO 28V
LTC1153 TA04
24V TO 28V
LOAD
51k
5V
5V
30k
*KEYSTONE RL2006-100-100-30-PT.
MOUNT ON MOSFET OR LOAD HEAT SINK.
+
10
μ
F
18V
3k
*PTC
THERMISTOR
100°C)
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