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LTC1153CN8#PBF

Description
Auto Reset Electronic Circuit Breaker 8-Pin PDIP N Tube
File Size266KB,16 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet Parametric View All

LTC1153CN8#PBF Overview

Auto Reset Electronic Circuit Breaker 8-Pin PDIP N Tube

LTC1153CN8#PBF Parametric

Parameter NameAttribute value
EU restricts the use of certain hazardous substancesCompliant
ECCN (US)EAR99
Part StatusActive
HTS8542.39.00.01
Product CategoryAuto Reset Electronic Circuit Breaker
Process TechnologyCMOS
Input Voltage (V)4.5 to 18
Minimum Operating Supply Voltage (V)4.5
Maximum Operating Supply Voltage (V)18
Minimum Operating Temperature (°C)0
Maximum Operating Temperature (°C)70
Supplier Temperature GradeCommercial
PackagingTube
Pin Count8
Standard Package NameDIP
Supplier PackagePDIP N
MountingThrough Hole
Package Height3.3
Package Length10.16(Max)
Package Width6.48
PCB changed8
Lead ShapeThrough Hole
LTC1153
Auto-Reset
Electronic Circuit Breaker
FEATURES
s
s
s
s
s
s
s
s
s
s
DESCRIPTIO
Programmable Trip Delay: 15µs to >100ms
Programmable Trip Current: 1mA to >20A
Programmbale Auto-Reset Time: 1ms to >10 sec.
4.5V to 18V Supply Range
Drives Low R
DS(ON)
N-Channel MOSFETs
Status Output Indicates Fault Condition
Thermal Trip with PTC Thermistor
8µA I
Q
in Standby Mode
No External Charge Pump Capacitors
Available in 8-Pin SOIC
The LTC1153 electronic circuit breaker drives a low cost
N-channel MOSFET to interrupt power to a sensitive
electronic load in the event of an over-current condition.
The breaker remains tripped for a period of time set by an
external timing capacitor and then is automatically reset.
This cycle continues until the over-current condition is
removed, protecting both the sensitive load and the
MOSFET switch.
The trip current, trip delay time and auto-reset period are
programmable over a wide range to accommodate a
variety of load impedances. An active high shutdown input
is also provided and interfaces directly to a PTC thermistor
for thermal circuit breaking. An open-drain output is
provided to report breaker status to the
µP.
The LTC1153 is available in both 8-pin DIP and 8-pin SOIC
packages.
APPLICATI
s
s
s
s
s
s
S
Power Bus Circuit Breaker
SCSI Termination Power Protection
Regulator Over-Current Protection
Battery Short-Circuit Protection
DC Motor Stall Protection
Sensitive System Power Interrupt
TYPICAL APPLICATI
5V/1A Electronic Circuit Breaker with 1ms Trip Delay,
200ms Auto-Reset Period and 70°C Thermal Shutdown
10
ON/OFF
C
T
0.22µF
Z5U
TO
µP
51k
GND
5V
**70°C
PTC
SENSITIVE
5V LOAD
SHUTDOWN
IN
C
T
LTC1153
STATUS
G
51k
IRLR024
VS
C
D
R
D
0.01µF 100k
DS
TRIP DELAY (ms)
*R
SEN
0.1Ω
1
0.1
ALL COMPONENTS SHOWN ARE SURFACE MOUNT.
* IMS026 INTERNATIONAL MANUFACTURING SERVICE, INC. (401) 683-9700
** RL2006-100-70-30-PT1 KEYSTONE CARBON COMPANY (814) 781-1591
LTC1153 • TA01
0.01
1
10
CIRCUIT BREAKER CURRENT (A)
100
U
Trip Delay Time
R
SEN
= 0.1Ω
R
D
= 100k
C
D
= 0.01µF
LTC1153 • TA02
UO
UO
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