参数资料
型号: LTC4261CUFD-2#PBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 电源管理
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
封装: 4 X 5 MM, LEAD FREE, PLASTIC, QFN-24
文件页数: 21/34页
文件大小: 357K
代理商: LTC4261CUFD-2#PBF
LTC4261/LTC4261-2
28
42612fc
Table 1. LTC4261 Device Addressing
DESCRIPTION
HEX DEVICE
ADDRESS
BINARY DEVICE ADDRESS
LTC4261
ADDRESS PINS
h
6
5
4
3
2
1
0
R/W
ADR1
ADR0
Mass Write
3E
0
1
0
X
Alert Response
19
0
1
0
1
X
0
20
0
1
0
X
L
1
22
0
1
0
1
X
L
NC
2
24
0
1
0
1
0
X
H
NC
3
26
0
1
0
1
X
L
H
4
28
0
1
0
1
0
X
NC
L
5
2A
0
1
0
1
0
1
X
NC
6
2C
0
1
0
1
0
X
H
7
2E
0
1
0
1
X
NC
H
8
Single-Wire Broadcast Mode
H
L
H = Tie to INVCC; L = Tie to VEE; NC = No connect, open; X = Don’t care
Table 2. LTC4261 Register Address and Contents
REGISTER
ADDRESS*
REGISTER
NAME
READ/WRITE
DESCRIPTION
00h
STATUS (A)
R
System Status Information
01h
FAULT (B)
R/W
Fault Log and PGIO Input
02h
ALERT (C)
R/W
Controls Whether the ALERT Pin is Pulled Low After a Fault is Logged in the Fault Register
03h
CONTROL (D)
R/W
Controls Whether the Part Retries After Faults, Set the On/Off Switch State
04h
SENSE (E)
R/W**
ADC Current Sense Voltage Data (8 MSBs)
05h
SENSE (F)
R/W**
ADC Current Sense Voltage Data (2 LSBs)
06h
ADIN2/OV (G)
R/W**
ADC ADIN2/OV (SSOP/QFN) Voltage Data (8 MSBs)
07h
ADIN2/OV (H)
R/W**
ADC ADIN2/OV (SSOP/QFN) Voltage Data (2 LSBs)
08h
ADIN (I)
R/W**
ADC ADIN Voltage Data (8 MSBs)
09h
ADIN (J)
R/W**
ADC ADIN Voltage Data (2 LSBs)
*Register address MSBs b7-b4 are ignored. **Writable if bit D5 set.
APPLICATIONS INFORMATION
相关PDF资料
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
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LTC4261IGN 功能描述:IC CTRLR HOTSWAP W/ADC 28-SSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:119 系列:- 类型:热交换控制器 应用:通用型,PCI Express? 内部开关:无 电流限制:- 电源电压:3.3V,12V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:80-TQFP 供应商设备封装:80-TQFP(12x12) 包装:托盘 产品目录页面:1423 (CN2011-ZH PDF)
LTC4261IGN#PBF 功能描述:IC CTRLR HOTSWAP W/ADC 28-SSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:119 系列:- 类型:热交换控制器 应用:通用型,PCI Express? 内部开关:无 电流限制:- 电源电压:3.3V,12V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:80-TQFP 供应商设备封装:80-TQFP(12x12) 包装:托盘 产品目录页面:1423 (CN2011-ZH PDF)
LTC4261IGN#TR 功能描述:IC CTRLR HOTSWAP W/ADC 28-SSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:119 系列:- 类型:热交换控制器 应用:通用型,PCI Express? 内部开关:无 电流限制:- 电源电压:3.3V,12V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:80-TQFP 供应商设备封装:80-TQFP(12x12) 包装:托盘 产品目录页面:1423 (CN2011-ZH PDF)
LTC4261IGN#TRPBF 功能描述:IC CTRLR HOTSWAP W/ADC 28-SSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:119 系列:- 类型:热交换控制器 应用:通用型,PCI Express? 内部开关:无 电流限制:- 电源电压:3.3V,12V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:80-TQFP 供应商设备封装:80-TQFP(12x12) 包装:托盘 产品目录页面:1423 (CN2011-ZH PDF)
LTC4261IGN-2 制造商:LINER 制造商全称:Linear Technology 功能描述:Negative Voltage Hot Swap Controllers with ADC and I2C Monitoring