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LTC4242CG#TRPBF

产品描述IC CNTRLR HOT SWAP 36-SSOP
产品类别电源/电源管理    电源电路   
文件大小329KB,共24页
制造商Linear ( ADI )
官网地址http://www.analog.com/cn/index.html
标准
下载文档 详细参数 选型对比 全文预览

LTC4242CG#TRPBF概述

IC CNTRLR HOT SWAP 36-SSOP

LTC4242CG#TRPBF规格参数

参数名称属性值
Brand NameLinear Technology
是否Rohs认证符合
零件包装代码SSOP
包装说明SSOP, LCC38,.2X.28,20
针数36
制造商包装代码G
Reach Compliance Codecompliant
ECCN代码EAR99
可调阈值YES
模拟集成电路 - 其他类型POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码R-PDSO-G36
JESD-609代码e3
长度12.8 mm
湿度敏感等级1
信道数量1
功能数量1
端子数量36
最高工作温度70 °C
最低工作温度
封装主体材料PLASTIC/EPOXY
封装代码SSOP
封装等效代码LCC38,.2X.28,20
封装形状RECTANGULAR
封装形式SMALL OUTLINE, SHRINK PITCH
峰值回流温度(摄氏度)260
电源3.3,12 V
认证状态Not Qualified
座面最大高度2 mm
最大供电电流 (Isup)4 mA
最大供电电压 (Vsup)6 V
最小供电电压 (Vsup)2.7 V
标称供电电压 (Vsup)3.3 V
表面贴装YES
技术CMOS
温度等级COMMERCIAL
端子面层Matte Tin (Sn)
端子形式GULL WING
端子节距0.65 mm
端子位置DUAL
处于峰值回流温度下的最长时间30
宽度5.3 mm
Base Number Matches1

文档预览

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LTC4242
Dual Slot Hot Swap
Controller for PCI Express
FEATURES
DESCRIPTIO
Allows Live Insertion into PCI Express
®
Backplane
Controls Two Independent PCI Express Slots
Independent Control of Main and Auxiliary Supplies
20V Rating for 12V Supply Input Pins
Integrated 0.25Ω AUX Switches
Limits Fault Current in ≤1µs
Force On Test Mode
Adjustable Supply Voltage Power-Up Rate
High Side Drivers for N-Channel MOSFETs
Thermal Shutdown Protection
Available in 38-Lead QFN and 36-Lead SSOP
Packages
The LTC
®
4242 Hot Swap
TM
controller allows safe board
insertion and removal for two independent slots on a PCI
Express backplane. External N-channel transistors control
the 12V and 3.3V supplies while integrated switches control
the 3.3V auxiliary supplies. Both 12V and 3.3V supplies
can be ramped up at an adjustable rate. Dual level circuit
breakers and fast active current limiting protect all supplies
against overcurrent faults.
A supply filter at the V
CC
pin allows the LTC4242 to endure
supply transients. The EN input detects the presence of a
card in the PCI Express slot. The FAULT and AUXFAULT
outputs alert the system of overcurrent conditions on the
main and auxiliary supplies, respectively. PGOOD and
AUXPGOOD outputs indicate proper main and auxiliary
supply outputs.
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
Hot Swap is a trademark of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
APPLICATIO S
PCI Express-Based PC and Servers
Hot Swap Application for Triple Supply Systems
TYPICAL APPLICATIO
12V
3.3V
PCI Express Application
12V
OUT
3.3V
OUT
12V
IN1
12V
SENSE1
12V
GATE1
12V
OUT1
3V
IN1
V
CC
3V
SENSE1
3V
GATE1
3V
OUT1
AUXOUT1
3.3V
OUT
BD_PRST1
ENn
5V/DIV
AUXOUTn
5V/DIV
3.3V
AUXIN1
AUXON1
ON1
FAULT1
AUXFAULT1
PGOOD1
PGOOD2
AUXFAULT2
FAULT2
ON2
AUXON2
AUXIN2
12V
IN2
12V
SENSE2
12V
GATE2
12V
OUT2
3V
IN2
PCI EXPRESS
HOT PLUG
CONTROLLER
LTC4242G
FON1
EN1
GND
EN2
FON2
PCIe
PLUG-IN
CONNECTOR CARD
12V
OUTn
5V/DIV
3V
OUTn
5V/DIV
BD_PRST2
AUXOUT2
3V
OUT2
3V
SENSE2
3V
GATE2
3.3V
OUT
PGOODn
5V/DIV
3.3V
3.3V
12V
PCIe
PLUG-IN
CONNECTOR CARD
3.3V
OUT
12V
OUT
4242 TA01a
U
Normal Power-Up Sequence
10ms/DIV
4242 F04
U
U
4242f
1

LTC4242CG#TRPBF相似产品对比

LTC4242CG#TRPBF LTC4242CG#PBF LTC4242CUHF#PBF LTC4242CUHF#TRPBF LTC4242IUHF#TRPBF LTC4242IG#TRPBF LTC4242IG#PBF
描述 IC CNTRLR HOT SWAP 36-SSOP IC CNTRLR HOT SWAP 36-SSOP IC CNTRLR HOT SWAP 38-QFN IC CNTRLR HOT SWAP 38-QFN IC CNTRLR HOT SWAP 38-QFN IC CNTRLR HOT SWAP 36-SSOP IC CNTRLR HOT SWAP 36-SSOP
Brand Name Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology
是否Rohs认证 符合 符合 符合 符合 符合 符合 符合
零件包装代码 SSOP SSOP QFN QFN QFN SSOP SSOP
包装说明 SSOP, LCC38,.2X.28,20 SSOP, LCC38,.2X.28,20 HVQCCN, LCC38,.2X.28,20 HVQCCN, LCC38,.2X.28,20 HVQCCN, LCC38,.2X.28,20 SSOP, LCC38,.2X.28,20 SSOP, LCC38,.2X.28,20
针数 36 36 38 38 38 36 36
制造商包装代码 G G UHF UHF UHF G G
Reach Compliance Code compliant compliant compliant compliant compliant compliant compliant
ECCN代码 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
可调阈值 YES YES YES YES YES YES YES
模拟集成电路 - 其他类型 POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码 R-PDSO-G36 R-PDSO-G36 R-PQCC-N38 R-PQCC-N38 R-PQCC-N38 R-PDSO-G36 R-PDSO-G36
JESD-609代码 e3 e3 e3 e3 e3 e3 e3
长度 12.8 mm 12.8 mm 7 mm 7 mm 7 mm 12.8 mm 12.8 mm
湿度敏感等级 1 1 1 1 1 1 1
信道数量 1 1 1 1 1 1 1
功能数量 1 1 1 1 1 1 1
端子数量 36 36 38 38 38 36 36
最高工作温度 70 °C 70 °C 70 °C 70 °C 85 °C 85 °C 85 °C
封装主体材料 PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
封装代码 SSOP SSOP HVQCCN HVQCCN HVQCCN SSOP SSOP
封装等效代码 LCC38,.2X.28,20 LCC38,.2X.28,20 LCC38,.2X.28,20 LCC38,.2X.28,20 LCC38,.2X.28,20 LCC38,.2X.28,20 LCC38,.2X.28,20
封装形状 RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
封装形式 SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH
峰值回流温度(摄氏度) 260 260 260 260 260 260 260
电源 3.3,12 V 3.3,12 V 3.3,12 V 3.3,12 V 3.3,12 V 3.3,12 V 3.3,12 V
认证状态 Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
座面最大高度 2 mm 2 mm 0.8 mm 0.8 mm 0.8 mm 2 mm 2 mm
最大供电电流 (Isup) 4 mA 4 mA 4 mA 4 mA 4 mA 4 mA 4 mA
最大供电电压 (Vsup) 6 V 6 V 6 V 6 V 6 V 6 V 6 V
最小供电电压 (Vsup) 2.7 V 2.7 V 2.7 V 2.7 V 2.7 V 2.7 V 2.7 V
标称供电电压 (Vsup) 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V
表面贴装 YES YES YES YES YES YES YES
技术 CMOS CMOS CMOS CMOS CMOS CMOS CMOS
温度等级 COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL
端子面层 Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn)
端子形式 GULL WING GULL WING NO LEAD NO LEAD NO LEAD GULL WING GULL WING
端子节距 0.65 mm 0.65 mm 0.5 mm 0.5 mm 0.5 mm 0.65 mm 0.65 mm
端子位置 DUAL DUAL QUAD QUAD QUAD DUAL DUAL
处于峰值回流温度下的最长时间 30 30 30 30 30 30 30
宽度 5.3 mm 5.3 mm 5 mm 5 mm 5 mm 5.3 mm 5.3 mm
Base Number Matches 1 1 1 1 - 1 1
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