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参数资料
| 型号： | LTC1643ALIGN |
| 厂商： | Linear Technology |
| 文件页数： | 2/16页 |
| 文件大小： | 236K |
| 描述： | IC CTRLR HOTSWAP PCI BUS 16SSOP |
| 标准包装： | 100 |
| 类型： | 热交换控制器 |
| 应用： | CompactPCI? |
| 内部开关： | 无 |
| 电源电压： | 3.3V，5V，±12V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SSOP |
| 包装： | 管件 |
2
LTC1643AL
LTC1643AL-1/LTC1643AH
1643afb
GN PART MARKING
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
I
DD
V
12VIN
Supply Current
ON = GND, ON = 3V
?/DIV>
3.5
8
mA
V
LKO
Undervoltage Lockout
12V
IN
?/DIV>
7
9.5
10.8
V
3V
IN
?/DIV>
2.25
2.5
2.75
V
5V
IN
?/DIV>
2.25
2.5
2.75
V
V
FB
Foldback Current Limit Voltage
V
FB
= (V
5VIN
V
5VSENSE
), V
5VOUT
= 0V
?/DIV>
4
7.5
12
mV
V
FB
= (V
5VIN
V
5VSENSE
), V
5VOUT
> 4V
?/DIV>
40
53
65
mV
V
FB
= (V
3VIN
V
3VSENSE
), V
3VOUT
= 0V
?/DIV>
4
7.5
12
mV
V
FB
= (V
3VIN
V
3VSENSE
), V
3VOUT
> 2V
?/DIV>
40
53
65
mV
t
CB
Circuit Breaker Trip Filter Time
14.6
祍
I
CP
GATE Pin Output Current
Charge Pump On, V
GATE
= GND, FAULT = High
?/DIV>
20
62
100
礎
Charge Pump Off, V
GATE
= 5V, FAULT = High
200
礎
Charge Pump Off, V
GATE
= 2V, FAULT = Low
?/DIV>
3
17.5
mA
V
GATE
External Gate Voltage
(V
12VIN
V
GATE
)
100
200
mV
V
DROP
Internal Switch Voltage Drop
(V
12VIN
V
12VOUT
),
0癈 d T
A
d 70癈
?/DIV>
225
600
I
12VOUT
= 500mA
40癈 d T
A
d 85癈
?/DIV>
225
750
mV
(V
EEOUT
V
EEIN
), I
VEEIN
= 100mA
?/DIV>
125
250
mV
I
CL
Current Foldback
12V
IN
= 12V, 12V
OUT
= 0V
?/DIV>
50
250
600
mA
12V
IN
= 12V, 12V
OUT
= 10V
?/DIV>
525
850
1500
mA
V
EEIN
= 12V, V
EEOUT
= 0V (LTC1643AL/LTC1643AH Only) ?/SPAN>
50
160
500
mA
V
EEIN
= 12V, V
EEOUT
= 10V
?/DIV>
225
450
800
mA
T
TS
Thermal Shutdown Temperature
150
癈
V
TH
Power-Good Threshold Voltage
V
12VOUT
0癈 d T
A
d 70癈
?/DIV>
10.8
11.1
11.4
V
LTC1643AH/LTC1643AL Only
40癈 d T
A
d 85癈
?/DIV>
10.4
11.1
11.4
V
V
EEOUT
0癈 d T
A
d 70癈
?SPAN class="pst LTC1643AL-1CGN-PBF_2379535_5"> 10.2
10.5
10.8
V
LTC1643AH/LTC1643AL Only
40癈 d T
A
d 85癈
?SPAN class="pst LTC1643AL-1CGN-PBF_2379535_5"> 10.0
10.5
10.8
V
ABSOLUTE MAXIMUM RATINGS
W
W
PACKAGE/ORDER INFORMATION
U
U
ORDER PART NUMBER
(Note 1)
Supply Voltages
12V
IN
................................................................ 13.2V
V
EEIN
.............................................................. 13.2V
Input Voltage (Pin 5) ................ 0.3V
to (12V
IN
+ 0.3V)
Output Voltages (Pins 6, 7) ...... 0.3V
to (12V
IN
+ 0.3V)
Analog Voltages
(Pins 3, 4, 9, 10 to 14) ........ 0.3V
to (12V
IN
+ 0.3V)
V
EEOUT
............................................ 13.2V to + 0.3V
12V
OUT
.............................................. 0.3V to 13.2V
Operating Temperature Range
LTC1643ALC/LTC1643AL-1C/
LTC1643AHC...........................................0癈 to 70癈
LTC1643ALI/LTC1643AL-1I/
LTC1643AHI ...................................... 40癈 to 85癈
Storage Temperature Range ................. 65癈 to 150癈
Lead Temperature (Soldering, 10 sec)..................300癈
TOP VIEW
GN PACKAGE
16-LEAD NARROW PLASTIC SSOP
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
12V
IN
V
EEIN
3V
OUT
TIMER
N/ON*
FAULT
WRGD
GND
12V
OUT
V
EEOUT
5V
OUT
5V
IN
5V
SENSE
GATE
3V
SENSE
3V
IN
*ON FOR LTC1643AH,
N F R LT 1 4 AL LT 1 4 AL-1
T
JMAX
= 150癈, ?/DIV>
JA
= 135癈/W
LTC1643AHCGN
LTC1643ALCGN
LTC1643AL-1CGN
LTC1643AHIGN
LTC1643ALIGN
LTC1643AL-1IGN
DC ELECTRICAL CHARACTERISTICS
The ?/SPAN> denotes specifications which apply over the full operating
temperature range, otherwise specifications are T
A
= 25?/SPAN>C. V
12VIN
= 12V, V
EEIN
= 12V, V
3VIN
= 3.3V, V
5VIN
= 5V (Note 2)
1643AH
1643AL
643AL1
643AHI
643ALI
43AL1I
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPB
Lead Free Part Marking: http://www.linear.com/leadfree/
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC1643ALIGN#PBF | 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) |
| LTC1643ALIGN#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) |
| LTC1643ALIGN#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) |
| LTC1643L-1CGN | 制造商:Linear Technology 功能描述: |
| LTC1643LCGN | 制造商:Linear Technology 功能描述: 制造商:Linear Technology 功能描述:POWER CONTROL/MANAGEMENT, 16 Pin, Plastic, SSOP |
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