參數(shù)資料
型號(hào)： LTC2905ITS8
廠(chǎng)商： LINEAR TECHNOLOGY CORP
元件分類(lèi)： 電源管理
英文描述： Precision Dual Supply Monitors with Pin-Selectable Thresholds
中文描述： 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封裝： 1 MM HEIGHT, PLASTIC, MO-193, TSOT-23, 8 PIN
文件頁(yè)數(shù)： 3/16頁(yè)
文件大?。?/td> 155K
代理商： LTC2905ITS8
LTC2904/LTC2905
3
sn29045 29045fs
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
A
= 25
°
C. V1 = 2.5V, V2 = 1V, S1 = TOL = V1, S2 = 0V, unless otherwise noted.
(Notes 2, 3)
The
●
denotes the specifications which apply over the full operating
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2:
The greater of V1, V2 is the internal supply voltage (V
CC
).
Note 3:
All currents into pins are positive; all voltages are referenced to
GND unless otherwise noted.
Note 4:
For reset thresholds test conditions refer to the voltage threshold
programming table in the Applications Information section.
Note 5:
The output pins RST and RST have an internal pull-up to V
CC
of
typically –6
μ
A. However, an external pull-up resistor may be used when
faster rise time is required or for V
OH
voltages greater than V
CC
.
Note 6:
The input current to the three-state input pins are the pull-up and
the pull-down current when the pins are either set to V1 or GND
respectively. In the open state, the maximum leakage current to V1 or GND
permissible is 10
μ
A.
SYMBOL
V
CCMIN
I
V1
I
V2
I
TMR(UP)
I
TMR(DOWN)
t
RST
t
RST
t
UV
PARAMETER
Minimum Internal Operating Voltage (Note 2) RST in Correct Logic State
V1 Input Current
V2 Input Current
TMR Pull-Up Current
(LTC2905)
TMR Pull-Down Current
(LTC2905)
Reset Time-Out Period
(LTC2904)
Reset Time-Out Period
(LTC2905)
Vx Undervoltage Detect to
RST or RST
Output Voltage Low RST, RST
CONDITIONS
MIN
TYP
MAX
1
130
1.0
–2.7
2.7
260
260
UNITS
●
V
Includes Input Current to Three-State Pins
●
65
0.4
–2.1
2.1
200
200
150
μ
A
μ
A
μ
A
μ
A
ms
ms
μ
s
●
V
TMR
= 0V
V
TMR
= 1.4V
●
–1.5
1.5
140
140
●
●
C
TMR
= 22nF
Vx Less than Reset Threshold V
RTX
by More than 1%
I = 2.5mA
I = 100
μ
A; V1 = 1V (RST Only)
I = –1
μ
A
●
V
OL
●
●
0.15
0.05
0.4
0.3
V
V
V
V
OH
Output Voltage High RST, RST
(Notes 2, 5)
●
V
CC
–1
Three-State Inputs S1, S2, TOL
V
IL
V
IH
V
Z
Low Level Input Voltage
High Level Input Voltage
Pin Voltage when Left in Open State
●
0.4
V
V
V
V
V
●
1.4
0.7
I = –10
μ
A
I = 0
μ
A
I = 10
μ
A
●
0.9
●
1.1
±
25
I
VPG
Programming Input Current (Note 6)
●
μ
A
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC2905ITS8#PBF 制造商:Linear Technology 功能描述:IC VOLT MONITOR 65 uA 5.5V 8-TSOT-23 制造商:Linear Technology 功能描述:IC, VOLT MONITOR, 65 uA, 5.5V, 8-TSOT-23 制造商:Linear Technology 功能描述:IC, VOLT MONITOR, 65 uA, 5.5V, 8-TSOT-23; Threshold Voltage:4.675V; No. of Supervisors / Monitors:2; Supply Voltage Min:3.3V; Supply Voltage Max:5V; Reset Type:Adjustable; Digital IC Case Style:TSOT-23; No. of Pins:8 ;RoHS Compliant: Yes
LTC2905ITS8#TR 功能描述:IC MON DUAL SUPPLY PREC TSOT23-8 RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:400 系列:- 類(lèi)型:備用電池電路 監(jiān)視電壓數(shù)目:1 輸出:開(kāi)路漏極，推挽式 復(fù)位:高有效/低有效 復(fù)位超時(shí):最小為 35 ms 電壓 - 閥值:4.65V 工作溫度:-40°C ~ 85°C 安裝類(lèi)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(chēng):ADM691ARZ-REEL7TR
LTC2905ITS8#TRM 功能描述:IC MON DUAL SUPPLY PREC TSOT23-8 RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:400 系列:- 類(lèi)型:備用電池電路 監(jiān)視電壓數(shù)目:1 輸出:開(kāi)路漏極，推挽式 復(fù)位:高有效/低有效 復(fù)位超時(shí):最小為 35 ms 電壓 - 閥值:4.65V 工作溫度:-40°C ~ 85°C 安裝類(lèi)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(chēng):ADM691ARZ-REEL7TR
LTC2905ITS8#TRMPBF 功能描述:IC MON DUAL SUPPLY PREC TSOT23-8 RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:100 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，開(kāi)路漏極 復(fù)位:高有效/低有效 復(fù)位超時(shí):最小為 250 ms 電壓 - 閥值:4.37V，4.62V 工作溫度:0°C ~ 70°C 安裝類(lèi)型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:8-SOIC 包裝:管件 產(chǎn)品目錄頁(yè)面:1337 (CN2011-ZH PDF)
LTC2905ITS8#TRPBF 功能描述:IC MON DUAL SUPPLY PREC TSOT23-8 RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:400 系列:- 類(lèi)型:備用電池電路 監(jiān)視電壓數(shù)目:1 輸出:開(kāi)路漏極，推挽式 復(fù)位:高有效/低有效 復(fù)位超時(shí):最小為 35 ms 電壓 - 閥值:4.65V 工作溫度:-40°C ~ 85°C 安裝類(lèi)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(chēng):ADM691ARZ-REEL7TR
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