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LTC2908IDDB-C1#TRPBF

Description
监控器 开路漏极或开路集电极 6 通道 8-DFN(3x2)
Categorysemiconductor    Multi-channel IC (PMIC)   
File Size221KB,18 Pages
ManufacturerADI
Websitehttps://www.analog.com
Environmental Compliance
Download Datasheet Parametric View All

LTC2908IDDB-C1#TRPBF Overview

监控器 开路漏极或开路集电极 6 通道 8-DFN(3x2)

LTC2908IDDB-C1#TRPBF Parametric

Parameter NameAttribute value
category
MakerADI
series-
PackageTape and Reel (TR)
typemulti-pressure monitor
Voltage - Threshold2.338V,可调,可调,可调,可调,可调
outputOpen drain or open collector
resetLow effective
reset timeout最小为 160ms
Operating temperature-40°C ~ 85°C(TA)
Installation typesurface mount type
Package/casing8-WFDFN Exposed Pad
Supplier device packaging8-DFN(3x2)
Monitored voltage number6
Basic product numberLTC2908
LTC2908
Precision
Six Input Supply Monitor
FEATURES
n
n
DESCRIPTION
The LTC
®
2908 is a six input supply monitor for systems
requiring a precise and compact monitoring solution
for multiple supply voltages. The inputs can be shorted
together for monitoring systems with fewer than six
supply voltages, and the open drain
RST
output of two or
more LTC2908s can be wired-OR together for monitoring
systems with more than six supply voltages. The common
reset output remains low until all six inputs have been in
compliance for 200ms.
The LTC2908 features a tight 1.5% threshold accuracy over
the entire operating temperature range and glitch immunity
to ensure reliable reset operation without false triggering.
The open-drain
RST
output state is guaranteed to be in the
correct state as long as V1 and/or V2 is 0.5V or greater.
The LTC2908 also features adjustable inputs with a nominal
threshold level at 0.5V. This product provides a precise,
space-conscious, micropower and general purpose solu-
tion for any kind of system requiring supply monitors.
L,
LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. ThinSOT is a trademark of Linear Technology Corporation. All other
trademarks are the property of their respective owners. *Patent pending.
n
n
n
n
n
n
Ultralow Voltage Reset: V
CC
= 0.5V Guaranteed*
Monitors Six Inputs Simultaneously:
5V, 3.3V, 2.5V, 1.8V, ADJ1, ADJ2 (LTC2908-A1)
3.3V, 2.5V, 1.8V, 1.5V, ADJ1, ADJ2 (LTC2908-B1)
2.5V, ADJ1, ADJ2, ADJ3, ADJ4, ADJ5 (LTC2908-C1)
Guaranteed Threshold Accuracy: ±1.5% of
Monitored Voltage Overtemperature
Internal V
CC
Auto Select
Power Supply Glitch Immunity
200ms Reset Time Delay
Active Low Open-Drain
RST
Output
Low Profile (1mm) 8-Lead SOT-23 (ThinSOT™) and
Plastic (3mm
×
2mm) DFN Packages
APPLICATIONS
n
n
n
n
n
Network Servers
Wireless Base Stations
Optical Networking Systems
Multivoltage Systems
Desktop and Notebook Computers
TYPICAL APPLICATION
Six Supply Monitor with 5% Tolerance
(12V, 3.3V, 2.5V, 1.8V, 1.5V, 1.2V)
12V
DC/DC
DC/DC
DC/DC
DC/DC
DC/DC
3.3V
RST
Output Voltage vs V1
with 10k Pull-Up Resistor to V1
0.4
V3 = V4 = V
ADJ1
=
V
ADJ2
= V
ADJ3
=
V
ADJ4
= V
ADJ5
= GND
RST
OUTPUT VOLTAGE (V)
2.5V
1.8V
1.5V
1.2V
0.1μF 0.1μF
2.15M
100k
124k
100k
SYSTEM
0.3
V1 INPUT
0.2
V2 = GND
0.1
V2 = V1 (A1/B1)
0
0
0.2
0.4
V1 (V)
0.6
0.8
2908 TA01b
V1
V2 V3 V4
V
ADJ1
LTC2908-B1
GND
V
ADJ2
RST
2908 TA01a
2908fd
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