參數(shù)資料
型號(hào)： LTC2908CDDB8-A1
廠商： LINEAR TECHNOLOGY CORP
元件分類(lèi)： 電源管理
英文描述： 6-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封裝： 3 X 2 MM, PLASTIC, M0-229WECD-1, DFN-8
文件頁(yè)數(shù)： 1/16頁(yè)
文件大?。?/td> 199K
代理商： LTC2908CDDB8-A1
1
LTC2908
2908f
Precision
Six Supply Monitor
s
Ultralow Voltage Reset: VCC = 0.5V Guaranteed*
s
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)
s
Guaranteed Threshold Accuracy:
±1.5% of
Monitored Voltage Over Temperature
s
Internal VCC Auto Select
s
Power Supply Glitch Immunity
s
200ms Reset Time Delay
s
Active Low Open-Drain RST Output
s
Low Profile (1mm) SOT-23 (ThinSOT
TM) and Plastic
(2mm
× 3mm) DFN Packages
Six Supply Monitor with 5% Tolerance
(12V, 3.3V, 2.5V, 1.8V, 1.5V, 1.2V)
s
Network Servers
s
Wireless Base Stations
s
Optical Networking Systems
s
Mulitvoltage Systems
s
Desktop and Notebook Computers
s
Handheld Devices
FEATURES
DESCRIPTIO
U
APPLICATIO S
U
TYPICAL APPLICATIO
U
The LTC
2908 is a six supply monitor for systems with a
large number of supply voltages that require a precise and
compact solution. 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 (– 40
°C to
85
°C) and glitch immunity to ensure reliable reset opera-
tion 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 two adjustable inputs with a
nominal threshold level at 0.5V. This product provides a
precise, space-conscious, micropower and general pur-
pose solution for any kind of system requiring supply
monitors.
, LTC and LT are registered trademarks of Linear Technology Corporation.
RST
2.15M
0.1
F
V1
V2 V3 V4
GND
LTC2908-B1
VADJ1
12V
3.3V
2.5V
1.8V
1.5V
1.2V
2908 TA01a
0.1
F
100k
DC/DC
SYSTEM
124k
VADJ2
100k
V1 (V)
0
RST
OUTPUT
VOLTAGE
(V)
0.2
V2 = GND
V2 = V1
0.3
0.8
2908 TA01b
0.1
0
0.2
0.4
0.6
0.4
V3 = V4 = VADJ1 =
VADJ2 = GND
RST Output Voltage vs V1
with 10k Pull-Up Resistor to V1
ThinSOT is a trademark of Linear Technology Corporation.
*Patent pending.
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參數(shù)描述
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LTC2908CDDB-A1#TRM 功能描述:IC MONITOR SIX SUPPLY PREC 8DFN RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類(lèi)型:簡(jiǎn)單復(fù)位/加電復(fù)位 監(jiān)視電壓數(shù)目:1 輸出:開(kāi)路漏極或開(kāi)路集電極 復(fù)位:高有效 復(fù)位超時(shí):- 電壓 - 閥值:1.8V 工作溫度:-40°C ~ 125°C 安裝類(lèi)型:表面貼裝 封裝/外殼:6-TSOP（0.059"，1.50mm 寬）5 引線 供應(yīng)商設(shè)備封裝:5-TSOP 包裝:剪切帶 (CT) 其它名稱(chēng):NCP301HSN18T1GOSCT
LTC2908CDDB-A1#TRMPBF 功能描述:IC MONITOR SIX SUPPLY PREC 8DFN RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類(lèi)型:簡(jiǎn)單復(fù)位/加電復(fù)位 監(jiān)視電壓數(shù)目:1 輸出:開(kāi)路漏極或開(kāi)路集電極 復(fù)位:高有效 復(fù)位超時(shí):- 電壓 - 閥值:1.8V 工作溫度:-40°C ~ 125°C 安裝類(lèi)型:表面貼裝 封裝/外殼:6-TSOP（0.059"，1.50mm 寬）5 引線 供應(yīng)商設(shè)備封裝:5-TSOP 包裝:剪切帶 (CT) 其它名稱(chēng):NCP301HSN18T1GOSCT
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