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: 5/34页
文件大小: 357K
代理商: LTC4261CUFD-2#PBF
LTC4261/LTC4261-2
13
42612fc
The LTC4261/LTC4261-2 are ideally suited for –48V
distributed power systems and AdvancedTCA systems.
A basic 200W application circuit using the LTC4261 is
shown in Figure 1. A more complete application circuit
with AdvancedTCA connections is shown in Figure 2.
Input Power Supply
Power for the LTC4261/LTC4261-2 is derived from the
–48V RTN through an external current limiting resistor
(RIN) to the VIN pin. An internal shunt regulator clamps
+
FLTIN
PGI
SCL
SDAI
SDAO
ALERT
PG
ADIN
8
9
10
11
19
20
26
2
25
24
22
1
6
5
4
3
27 PWRGD1
23
UVL
UVH
ADIN2
OV
SS
TMR
EN
ON
ADR1
ADRO
RAMP
DRAIN
GATE
LTC4261CGN
VIN
INTVCC
VEE
SENSE
RD
1M
RIN
4
× 1k IN SERIES
1/4W EACH
R3
453k
1%
–48V RTN
–48V INPUT
UV = 38.5V
UV RELEASE
AT 43V
OV RELEASE
AT 71V
OV = 72.3V
R2
16.9k
1%
R1
11.8k
1%
CR
10nF
100V
5%
CF
33nF
CTMR
47nF
CSS
220nF
CVCC
0.1F
CIN
1F
CUV
100nF
CG 47nF
RS
0.008
1%
RG
10
Q1
IRF1310NS
R11
402k 1%
R10
10k 1%
VEE
RF
1k
13
14
15
16
18
CL
330F
100V
21
7
MODULE2
ON
42612 F01
VIN+
VIN–
MODULE1
ON
VIN+
VIN–
VOUT
PGIO 28 PWRGD2
Figure 1. –48V/200W Hot Swap Controller Using LTC4261 with Current,
Input Voltage and VDS Monitoring (5.6A Current Limit, 0.66A Inrush)
Figure 2a. 200W AdvancedTCA Hot Swap Controller with Input/Output Monitoring
and Power Good Watchdog Using LTC4261 in I2C Mode (Part One)
8
9
10
11
19
20
26
2
25
24
RD
1M
RH
604
1%
R3
412k
1%
UV TURN OFF = 34.2V
UV RELEASE = 37.5V
OV TURN OFF = 74.8V
OV RELEASE = 73.2V
R2
19.1k
1%
R14
100k
R11
100k
R10
100k
RTN A
RTN B
ENABLE A
ENABLE B
–48V A
–48V B
R13
10k
R12
10k
MBRM5100
10A
R15
100k
Q10
2N5401
R1
10.5k
1%
R16
100k
CR
10nF
100V
5%
CF
33nF
CTMR
330nF
CSS
330nF
CUV
100nF
1N4148
×2
CG 47nF
RS
0.008
5%
RG
10
Q1
IRF1310NS
VEE
RF
1k
13
14
15
16
18
42612 F02a
CEN
1F
HZS5C1
MBRM5100
Q9
2N5401
7A
LTC4354
PLUG-IN
CARD
7A
BACKPLANE
A
B
UVL
UVH
ADIN2
OV
SS
TMR
EN
ON
ADR1
ADR0
RAMP
DRAIN
GATE
LTC4261CGN
VEE
SENSE
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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相关代理商/技术参数
参数描述
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