参数资料
型号: LTC1643AHIGN#TRPB
厂商: LINEAR TECHNOLOGY CORP
元件分类: 电源管理
英文描述: 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16
封装: 0.150 INCH, LEAD FREE, PLASTIC, SSOP-16
文件页数: 1/16页
文件大小: 231K
代理商: LTC1643AHIGN#TRPB
1
LTC1643AL
LTC1643AL-1/LTC1643AH
1643afb
PCI-Bus Hot Swap
Controller
Hot Swappable PCI Supply
Allows Safe Board Insertion and Removal from a
Live PCI Slot
Works on either a Motherboard (LTC1643AH) or
CompactPCI
TM Card (LTC1643AL/LTC1643AL-1)
Controls –12V, 3.3V, 5V, 12V Supplies
Programmable Foldback Current Limit with
Circuit Breaker
User-Programmable Supply Voltage Power-Up Rate
High Side Drive for External N-Channel MOSFETs
–12V and 12V On-Chip Switches
Fault and Power-Good Outputs
Available in a Narrow 16-Lead SSOP Package
The LTC
1643AisaHotSwapTMcontrollerthatallowsaboard
to be safely inserted and removed from a live PCI-Bus slot.
Two external N-channel transistors control the 3.3V and 5V
supplies while on-chip switches control the –12V and 12V
supplies. All supply voltages can be ramped up at a program-
mable rate. An electronic circuit breaker protects all four
suppliesagainstovercurrentfaults.Thefoldbackcurrentlimit
feature limits current spikes and power dissipation when
shorts occur and allows boards with large capacitances to be
powered up without tripping the circuit breaker. The PWRGD
output indicates when all of the supply voltages are within
tolerance and the FAULT output indicates an overcurrent
condition. The ON(LTC1643AH)/ON (LTC1643AL/
LTC1643AL-1) pin is used to cycle the board power or reset
the circuit breaker. The LTC1643AL-1 has the
±12V power
good comparators disabled.
The LTC1643A is available in a 16-pin narrow SSOP package.
PCI-Based Servers
CompactPCI Compliant Boards
FEATURES
DESCRIPTIO
U
APPLICATIO S
U
TYPICAL APPLICATION
U
R2
0.005
Q2
IRF7413
Q1
IRF7413
R1
0.007
R5
10
R6
10
R7
100
C1
0.047
F
5V
5A
3.3V
7.6A
GND
–12V
100mA
12V
500mA
R3
10k
R4
10k
11
3
13
12
14
16
15
4
10
9
8
1
2
5
6
7
3VIN
GND
12VIN
VEEIN
ON
FAULT
PWRGD
3VSENSE
5VSENSE
3VOUT
LTC1643AH
5VOUT
12VOUT
VEEOUT
TIMER
5VIN
GATE
1643A TA01
SYSTEM
POWER
SUPPLY
PCI
POWER
SYSTEM
CONTROLLER
C2
0.1
F
RESET
LOGIC
RESET
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
Hot Swap is a registered trademark of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
相关PDF资料
PDF描述
LM3712XQBPX-308/NOPB 2-CHANNEL POWER SUPPLY MANAGEMENT CKT, BGA9
LM1301-7PV3HF 1-OUTPUT 50 W AC-DC REG PWR SUPPLY MODULE
LM1501-7RV0A 1-OUTPUT 50 W AC-DC REG PWR SUPPLY MODULE
LM1901-9PV2HF 1-OUTPUT 50 W AC-DC REG PWR SUPPLY MODULE
LM1901-9PV3H 1-OUTPUT 50 W AC-DC REG PWR SUPPLY MODULE
相关代理商/技术参数
参数描述
LTC1643AL-1CGN 功能描述:IC CTRLR HOTSWAP PCI BUS 16SSOP 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)
LTC1643AL-1CGN#PBF 功能描述:IC CTRLR HOTSWAP PCI BUS 16SSOP 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)
LTC1643AL-1CGN#TR 功能描述:IC CTRLR HOTSWAP PCI BUS 16SSOP 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)
LTC1643AL-1CGN#TRPBF 功能描述:IC CTRLR HOTSWAP PCI BUS 16SSOP 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)
LTC1643AL-1IGN 功能描述:IC CTRLR HOTSWAP PCI BUS 16SSOP 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)