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參數(shù)資料
| 型號： | LTC2907 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Precision Dual Supply Monitors with One Pin-Selectable Threshold and One Adjustable Input |
| 中文描述： | 精密雙電源監(jiān)視器的一個引腳可選閾值和一個可調(diào)輸入 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 191K |
| 代理商： | LTC2907 |
LTC2906/LTC2907
1
29067f
FEATURES
DESCRIPTIOU
The LTC
2906/LTC2907 are dual supply monitors in-
tended for systems with multiple supply voltages. The
dual supply monitors have a common reset output with
delay (200ms for the LTC2906 and adjustable using an
external capacitor for the LTC2907). These products pro-
vide a precise, space-conscious and micropower solution
for supply monitoring.
The LTC2906/LTC2907 feature a tight 1.5% threshold
accuracy over the whole 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 for V1 and/or V
CC
down to 1V.
The LTC2906/LTC2907 also feature one adjustable input
with a nominal threshold level at 0.5V, another input with
three possible input threshold levels, and three supply
tolerances for possible margining. These features provide
versatility for any kind of system requiring dual supply
monitors. Two three-state input pins program the thresh-
old and tolerance level without requiring any external
components.
APPLICATIU
I
Desktop and Notebook Computers
I
Handheld Devices
I
Network Servers
I
Core, I/O Monitor
TYPICAL APPLICATIO
U
I
Monitors Two Inputs Simultaneously
I
Three Threshold Selections for 5V, 3.3V or 2.5V
Supplies
I
Low Voltage Adjustable Input (0.5V)
I
Three Supply Tolerances (5%, 7.5%, 10%)
I
Guaranteed Threshold Accuracy:
±
1.5% of
Monitored Voltage Over Temperature
I
Internal V
CC
Auto Select
I
Power Supply Glitch Immunity
I
200ms Reset Time Delay (LTC2906 Only)
I
Adjustable Reset Time Delay (LTC2907 Only)
I
Open Drain RST Output
I
Guaranteed RST for V1
≥
1V or V
CC
≥
1V
I
Low Profile (1mm) SOT-23 (ThinSOT
TM
) and
Plastic (3mm
×
2mm) DFN Packages
Precision Dual Supply Monitors
with One Pin-Selectable Threshold
and One Adjustable Input
, LTC and LT are registered trademarks of Linear Technology Corporation.
V1
V
CC
S1
TOL
V
ADJ
TMR
GND
RST
LTC2907
22nF
0.1
μ
F
0.1
μ
F
DC/DC
CONVERTER
SYSTEM
LOGIC
29067 TA01
0.8V
2.5V
TOLERANCE = 10%
49.9k
100k
Dual Supply Monitor with Adjustable Tolerance (2.5V, 0.8V)
Supply Selection Programming
V1
5.0
3.3
2.5
S1
V1
OPEN
GND
Tolerance Programming
TOLERANCE
5%
7.5%
10%
TOL
V1
OPEN
GND
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| LTC2907CDDB#PBF | 制造商:Linear Technology 功能描述:MS-System Monitor/Supervisor, Cut Tape Dual Supply Monitor |
| LTC2907CDDB#TR | 功能描述:IC MONITOR DUAL SUPPLY PREC 8DFN RoHS:否 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:400 系列:- 類型:備用電池電路 監(jiān)視電壓數(shù)目:1 輸出:開路漏極，推挽式 復(fù)位:高有效/低有效 復(fù)位超時:最小為 35 ms 電壓 - 閥值:4.65V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC W 包裝:帶卷 (TR) 其它名稱:ADM691ARZ-REEL7TR |
| LTC2907CDDB#TRMPBF | 功能描述:IC MONITOR DUAL SUPPLY PREC 8DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:400 系列:- 類型:備用電池電路 監(jiān)視電壓數(shù)目:1 輸出:開路漏極，推挽式 復(fù)位:高有效/低有效 復(fù)位超時:最小為 35 ms 電壓 - 閥值:4.65V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC W 包裝:帶卷 (TR) 其它名稱:ADM691ARZ-REEL7TR |
| LTC2907CDDB#TRPBF | 功能描述:IC MONITOR DUAL SUPPLY PREC 8DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:400 系列:- 類型:備用電池電路 監(jiān)視電壓數(shù)目:1 輸出:開路漏極，推挽式 復(fù)位:高有效/低有效 復(fù)位超時:最小為 35 ms 電壓 - 閥值:4.65V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC W 包裝:帶卷 (TR) 其它名稱:ADM691ARZ-REEL7TR |
| LTC2907CTS8 | 制造商:Linear Technology 功能描述: |
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