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參數(shù)資料
| 型號(hào)： | LTC2900 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Octal Buffer/Driver With 3-State OUtputs 20-TVSOP -40 to 85 |
| 中文描述： | 可編程四路電源監(jiān)視器可調(diào)復(fù)位定時(shí)器 |
| 文件頁(yè)數(shù)： | 1/16頁(yè) |
| 文件大小： | 199K |
| 代理商： | LTC2900 |
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1
LTC2900
2900f
Programmable Quad Supply
Monitor with Adjustable Reset Timer
I
Simultaneously Monitors Four Supplies
I
16 User Selectable Combinations of 5V, 3.3V, 3V,
2.5V, 1.8V, 1.5V and/or
±
Adjustable Voltage
Thresholds
I
Guaranteed Threshold Accuracy:
±
1.5% of
Monitored Voltage Over Temperature
I
Low Supply Current: 43
μ
A Typ
I
Adjustable Reset Time
I
Small MSOP and 3mm
×
3mm DFN Packages
I
Manual Reset Pin
I
Open-Drain RST Output (LTC2900-1)
I
Push-Pull RST Output (LTC2900-2)
I
Power Supply Glitch Immunity
I
Guaranteed RST for V
CC
≥
1V
The LTC
2900 is a programmable supply monitor for
systems with up to four supply voltages. One of 16 preset
or adjustable voltage monitor combinations can be se-
lected using an external resistor divider connected to the
program pin. The preset voltage thresholds are accurate
to
±
1.5% over temperature.
The reset delay time is adjustable using an external
capacitor and the manual reset input may be used with a
momentary switch to issue reset pulses with programmed
duration. Tight voltage threshold accuracy and glitch
immunity ensure reliable reset operation without false
triggering. The RST output is guaranteed to be in the
correct state for V
CC
down to 1V. The LTC2900-1 features
an open-drain RST output, while the LTC2900-2 has a
push-pull RST output.
The 43
μ
A supply current makes the LTC2900 ideal for
power conscious systems and it may be configured to
monitor less than four inputs. The parts are available in
the 10-lead MSOP
and the 10-lead 3mm
×
3mm DFN
packages.
I
Desktop and Notebook Computers
I
Multivoltage Systems
I
Telecom Equipment
I
Portable Battery-Powered Equipment
I
Network Servers
, LTC and LT are registered trademarks of Linear Technology Corporation.
V1
V2
V
REF
V
PG
GND
R1
59k
1%
R2
40.2k
1%
1.8V
C
47nF
PUSH-BUTTON
RESET
C2
0.1
μ
F
C1
0.1
μ
F
V3
V4
LTC2900-2
CRT
PBR
RST
t
RST
= 216ms
2900 TA01
SYSTEM
LOGIC
DC/DC
CONVERTER
2.5V
3.3V
5V
Quad Supply Monitor (5V, 3.3V, 2.5V, 1.8V)
DESCRIPTIOU
FEATURES
APPLICATIU
TYPICAL APPLICATIO
U
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LTC2900-1CDD | Programmable Quad Supply Monitor with Adjustable Reset Timer |
| LTC2900-1CMS | Programmable Quad Supply Monitor with Adjustable Reset Timer |
| LTC2900-1IDD | Programmable Quad Supply Monitor with Adjustable Reset Timer |
| LTC2900-1IMS | Programmable Quad Supply Monitor with Adjustable Reset Timer |
| LTC2900-2CDD | Programmable Quad Supply Monitor with Adjustable Reset Timer |
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| LTC2900-1CDD | 功能描述:IC MON SUPP QUAD OPEN DRN 10DFN RoHS:否 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 其它有關(guān)文件:STM6717 View All Specifications 標(biāo)準(zhǔn)包裝:1 系列:- 類型:多壓監(jiān)控器 監(jiān)視電壓數(shù)目:2 輸出:開(kāi)路漏極或開(kāi)路集電極 復(fù)位:低有效 復(fù)位超時(shí):最小為 600 ms 電壓 - 閥值:1.11V，3.075V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應(yīng)商設(shè)備封裝:SOT-23-5 包裝:Digi-Reel® 產(chǎn)品目錄頁(yè)面:1194 (CN2011-ZH PDF) 其它名稱:497-7019-6 |
| LTC2900-1CDD#PBF | 功能描述:IC MON SUPP QUAD OPEN DRN 10DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 其它有關(guān)文件:STM6905 View All Specifications 標(biāo)準(zhǔn)包裝:1 系列:- 類型:多壓監(jiān)控器 監(jiān)視電壓數(shù)目:5 輸出:開(kāi)路漏極或開(kāi)路集電極 復(fù)位:低有效 復(fù)位超時(shí):最小為 140 ms 電壓 - 閥值:2.188V，2.955V，可調(diào)，可調(diào)，可調(diào) 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:8-TSSOP 包裝:Digi-Reel® 產(chǎn)品目錄頁(yè)面:1197 (CN2011-ZH PDF) 其它名稱:497-8728-6 |
| LTC2900-1CDD#TR | 功能描述:IC MONITOR SUPPLY QUAD 10-DFN RoHS:否 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類型: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:NCP301HSN18T1GOSCT |
| LTC2900-1CDD#TRPBF | 功能描述:IC MON SUPP QUAD OPEN DRN 10DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類型: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:NCP301HSN18T1GOSCT |
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