參數(shù)資料
型號(hào)： LTC4261CUFD-2#PBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 電源管理
英文描述： Negative Voltage Hot Swap Controllers with ADC and I2C Monitoring; Package: QFN; No of Pins: 24; Temperature Range: 0°C to +70°C
中文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC24
封裝： 4 X 5 MM, LEAD FREE, PLASTIC, QFN-24
文件頁數(shù)： 22/34頁
文件大?。?/td> 357K
代理商： LTC4261CUFD-2#PBF
LTC4261/LTC4261-2
29
42612fc
Table 3. STATUS Register A (00h)—Read Only
BIT
NAME
OPERATION
A7
FET On
Indicates State of FET; 1 = FET On, 0 = FET Off
A6
PGIO Input
Indicates State of the PGIO Pin when Configured to General Purpose Input: 1 = PGIO High, 0 = PGIO Low
A5
FET Short
Indicates Potential FET Short if Current Sense Voltage Exceeds 2mV While FET is Off; 1 = FET is Shorted, 0 = FET is Not Shorted
A4
EN
Indicates State of the EN Pin; 1 = EN Pin High, 0 = EN Pin Low
A3
Power Bad
Indicates Power is Bad when PGI is High at the End of the PGI Check Timer; 1 = PGI High, 0 = PGI Low
A2
Overcurrent
Indicates Overcurrent Condition; 1 = Overcurrent, 0 = Not Overcurrent
A1
Undervoltage
Indicates Input Undervoltage when Both UVH and UVL are Low; 1 = UVH and UVL Low, 0 = UVH or UVL High
A0
Overvoltage
Indicates Input Overvoltage when OV is High; 1 = OV High, 0 = OV Low
Table 4. FAULT Register B (01h)—Read/Write
BIT
NAME
OPERATION
B7
External Fault
Occurred
Latched to 1 if FLTIN Goes Low; 1 = FLTIN Low State Detected, 0 = FLTIN has Not Been Low
B6
PGIO Input
High Occurred
Latched to 1 if the PGIO Pin Goes High when Configured to General Purpose Input; 1 = PGIO High Detected,
0 = PGIO has Been Low
B5
FET Short Fault
Occurred
Indicates Potential FET Short was Detected When Measured Current Sense Voltage Exceeded 2mV While FET was Off;
1 = FET Short Fault Occurred, 0 = No FET Short Fault
B4
EN Changed
State
Indicates That a Board was Inserted or Extracted when EN Changed State; 1 = EN Changed State, 0 = EN Unchanged
B3
Power Bad
Fault Occurred
Indicates Power was Bad when PGI was High at the End of the PGI Check Timer; 1 = Power Bad Fault Occurred,
0 = No Power Bad Fault
B2
Overcurrent
Fault Occurred
Indicates Overcurrent Fault Occurred; 1 = Overcurrent Fault Occurred, 0 = No Overcurrent Fault
B1
Undervoltage
Fault Occurred
Indicates Input Undervoltage Fault Occurred when Both UVH and UVL went Low; 1 = Undervoltage Fault Occurred,
0 = No Undervoltage Fault
B0
Overvoltage
Fault Occurred
Indicates Input Overvoltage Fault Occurred when OV was High; 1 = Overvoltage Fault Occurred, 0 = No Overvoltage Fault
Table 5. ALERT Register C (02h)—Read/Write
BIT
NAME
OPERATION
C7
External Fault
Alert
Enables Alert for External Fault When FLTIN was Low; 1 = Enable Alert, 0 = Disable Alert (Default)
C6
PGIO Output
Output Data Bit to PGIO Pin when Configured as Output. Defaults to 0
C5
FET Short Alert Enables Alert for FET Short Fault; 1 = Enable Alert, 0 = Disable Alert (Default)
C4
EN State
Change Alert
Enables Alert when EN Changed State; 1 = Enable Alert, 0 Disable Alert (Default)
C3
Power Bad
Alert
Enables Alert for Power Bad Fault; 1 = Enable Alert, 0 Disable Alert (Default)
C2
Overcurrent
Alert
Enables Alert for Overcurrent Fault; 1 = Enable Alert, 0 Disable Alert (Default)
C1
Undervoltage
Alert
Enables Alert for Undervoltage Fault; 1 = Enable Alert, 0 Disable Alert (Default)
C0
Overvoltage
Alert
Enables Alert for Overvoltage Fault; 1 = Enable Alert, 0 Disable Alert (Default)
APPLICATIONS INFORMATION
相關(guān)PDF資料
PDF描述
LTC4261CUFD-2#TRPBF Negative Voltage Hot Swap Controllers with ADC and I2C Monitoring; Package: QFN; No of Pins: 24; Temperature Range: 0°C to +70°C
LTC4261IGN#PBF Negative Voltage Hot Swap Controllers with ADC and I2C Monitoring; Package: SSOP; No of Pins: 28; Temperature Range: -40°C to +85°C
LTC4261IGN#TRPBF Negative Voltage Hot Swap Controllers with ADC and I2C Monitoring; Package: SSOP; No of Pins: 28; Temperature Range: -40°C to +85°C
LTC4263CDE#PBF Single IEEE 802.3af Compliant PSE Controller with Internal Switch; Package: DFN; No of Pins: 14; Temperature Range: 0°C to +70°C
LTE-4218 5 mm, 1 ELEMENT, INFRARED LED, 940 nm
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC4261IGN 功能描述:IC CTRLR HOTSWAP W/ADC 28-SSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:119 系列:- 類型:熱交換控制器 應(yīng)用:通用型，PCI Express? 內(nèi)部開關(guān):無 電流限制:- 電源電壓:3.3V，12V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:80-TQFP 供應(yīng)商設(shè)備封裝:80-TQFP（12x12） 包裝:托盤 產(chǎn)品目錄頁面:1423 (CN2011-ZH PDF)
LTC4261IGN#PBF 功能描述:IC CTRLR HOTSWAP W/ADC 28-SSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:119 系列:- 類型:熱交換控制器 應(yīng)用:通用型，PCI Express? 內(nèi)部開關(guān):無 電流限制:- 電源電壓:3.3V，12V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:80-TQFP 供應(yīng)商設(shè)備封裝:80-TQFP（12x12） 包裝:托盤 產(chǎn)品目錄頁面:1423 (CN2011-ZH PDF)
LTC4261IGN#TR 功能描述:IC CTRLR HOTSWAP W/ADC 28-SSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:119 系列:- 類型:熱交換控制器 應(yīng)用:通用型，PCI Express? 內(nèi)部開關(guān):無 電流限制:- 電源電壓:3.3V，12V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:80-TQFP 供應(yīng)商設(shè)備封裝:80-TQFP（12x12） 包裝:托盤 產(chǎn)品目錄頁面:1423 (CN2011-ZH PDF)
LTC4261IGN#TRPBF 功能描述:IC CTRLR HOTSWAP W/ADC 28-SSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:119 系列:- 類型:熱交換控制器 應(yīng)用:通用型，PCI Express? 內(nèi)部開關(guān):無 電流限制:- 電源電壓:3.3V，12V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:80-TQFP 供應(yīng)商設(shè)備封裝:80-TQFP（12x12） 包裝:托盤 產(chǎn)品目錄頁面:1423 (CN2011-ZH PDF)
LTC4261IGN-2 制造商:LINER 制造商全稱:Linear Technology 功能描述:Negative Voltage Hot Swap Controllers with ADC and I2C Monitoring
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