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参数资料
| 型号： | LTC4242CUHF#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/24页 |
| 文件大小： | 350K |
| 描述： | IC CNTRLR HOT SWAP 38-QFN |
| 标准包装： | 2,500 |
| 类型： | 热交换控制器 |
| 应用： | 通用型，PCI Express? |
| 内部开关： | 无 |
| 电源电压： | 2.7 V ~ 6 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 38-WFQFN 裸露焊盘 |
| 供应商设备封装： | 38-QFN（5x7） |
| 包装： | 带卷 (TR) |
LTC4242
3
4242f
The ?/SPAN> denotes the speci cations which apply over the full operating
temperature range, otherwise speci cations are at T
A
= 25癈. V
CC
= V
AUXINn
= V
3VINn
= 3.3V, V
12VINn
= 12V, unless otherwise noted.
(Note 2)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Supplies
V
IN
Operating Voltage
V
CC
12V
INn
3V
INn
AUXINn
?/DIV>
?/DIV>
?/DIV>
?/DIV>
2.7
10.1
3.0
3.0
6.0
14.4
6.0
6.0
V
V
V
V
I
DD
Input Supply Current
V
CC
12V
INn
3V
INn
V
AUXONn
= 2V, V
ONn
= 2V
?/DIV>
?/DIV>
?/DIV>
1.6
0.5
0.35
4
1
1
mA
mA
mA
V
UVL
Supply Undervoltage Lockout
V
CC
Rising
12V
INn
Rising
3V
INn
Rising
AUXINn Rising
?/DIV>
?/DIV>
?/DIV>
?/DIV>
2.3
9.48
2.57
2.57
2.45
9.78
2.67
2.67
2.6
10.08
2.77
2.77
V
V
V
V
擵
LKO(HYST)
Supply Undervoltage Lockout Hysteresis
V
CC
12V
INn
3V
INn
AUXINn
?/DIV>
?/DIV>
?/DIV>
?/DIV>
30
90
20
20
100
130
35
35
200
170
50
50
mV
mV
mV
mV
Current Limit
擵
SENSE(CB)
Circuit Breaker Trip Sense Voltage
12V
INn
12V
SENSEn
3V
INn
3V
SENSEn
?/DIV>
?/DIV>
45
45
50
50
55
55
mV
mV
擵
SENSE(ACL)
Active Current Limit Sense Voltage
12V
INn
12V
SENSEn
3V
INn
3V
SENSEn
?/DIV>
?/DIV>
75
75
100
100
125
125
mV
mV
I
CBAUX
Circuit Breaking Current for AUX Supply
?/DIV>
385
550
715
mA
t
CB
Circuit Breaker Response Time
?/DIV>
10
20
40
祍
Switch Resistance
R
AUX
Internal Switch Resistance
R
AUX
= (V
AUXINn
V
AUXOUTn
)/I
(Note 4)
I = 375mA
?/DIV>
0.25
0.4
?/DIV>
External Gate Drive
I
GATE(UP)
External N-Channel Gate Pull-Up Current
Gate Drive On
V
12VGATEn
= 1V
V
3VGATEn
= 1V
?/DIV>
?/DIV>
5
5
9
9
13
13
礎
礎
I
GATE(DN)
External N-Channel Gate Pull-Down Current
Gate Drive Off
V
12VGATEn
= 17V, V
12VOUTn
= 12V
V
3VGATEn
= 8.3V, V
3VOUTn
= 3.3V
?/DIV>
?/DIV>
0.5
0.5
1
1
2
2
mA
mA
I
GATE(FPD)
External N-Channel Gate Fast Pull-Down
Current
Fast Turn Off
V
12VGATEn
= 17V, V
12VOUTn
= 12V
V
3VGATEn
= 8.3V, V
3VOUTn
= 3.3V
?/DIV>
?/DIV>
150
150
250
250
400
400
mA
mA
擵
GATE
External N-Channel Gate Drive
12V
GATEn
12V
OUTn
3V
GATEn
3V
OUTn
I
GATE
= 1礎 (Note 3)
?/DIV>
?/DIV>
4.5
4.5
5.5
5.5
7.9
7.9
V
V
Input Pins
V
PG(TH)
Power Good Threshold Voltage
12V
OUTn
Falling
3V
OUTn
Falling
AUXOUTn Falling (Note 5)
?/DIV>
?/DIV>
?/DIV>
10.08
2.772
2.772
10.38
2.855
2.855
10.68
2.937
2.937
V
V
V
V
PG(HYST)
Power Good Hysteresis
12V
OUTn
3V
OUTn
AUXOUTn (Note 5)
?/DIV>
?/DIV>
?/DIV>
20
5
5
70
20
20
110
30
30
mV
mV
mV
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC4242IG | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Slot Hot Swap Controller for PCI Express |
| LTC4242IG#PBF | 功能描述:IC CNTRLR HOT SWAP 36-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) |
| LTC4242IG#TRPBF | 功能描述:IC CNTRLR HOT SWAP 36-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) |
| LTC4242IUHF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Slot Hot Swap Controller for PCI Express |
| LTC4242IUHF#PBF | 功能描述:IC CTRLR HOTSWAP DUAL-SLOT 38QFN 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) |
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