參數(shù)資料
型號： LTC4261IGN-2#PBF
廠商： Linear Technology
文件頁數(shù)： 29/34頁
文件大?。?/td> 361K
描述： IC CTRLR HOTSWAP W/ADC 28-SSOP
標(biāo)準(zhǔn)包裝： 49
類型： 熱交換控制器
應(yīng)用： 通用
內(nèi)部開關(guān)： 無
電源電壓： 9 V ~ 11.2 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 28-SSOP（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝： 28-SSOP
包裝： 管件
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)
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