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參數(shù)資料
| 型號： | LTC1643AL-1CGN#TRPB |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 電源管理 |
| 英文描述： | 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16 |
| 封裝： | 0.150 INCH, LEAD FREE, PLASTIC, SSOP-16 |
| 文件頁數(shù)： | 10/16頁 |
| 文件大小： | 231K |
| 代理商： | LTC1643AL-1CGN#TRPB |
3
LTC1643AL
LTC1643AL-1/LTC1643AH
1643afb
DC ELECTRICAL CHARACTERISTICS
TYPICAL PERFORMANCE CHARACTERISTICS
UW
3.3V and 5V Current
Foldback Profile
OUTPUT VOLTAGE (V)
0
OUTPUT
CURRENT
(A)
11
10
9
8
7
6
5
4
3
2
1
0
4
1643A G01
1
2
3
5
RSENSE = 0.005
3VOUT
5VOUT
OUTPUT VOLTAGE (V)
0
OUTPUT
CURRENT
(A)
1.0
0.5
0
–8
–10
1643A G03
–2
–4
–6
–12
OUTPUT VOLTAGE (V)
0
OUTPUT
CURRENT
(A)
1.0
0.5
0
810
1643A G02
2
4
6
12
12V Current Foldback Profile
– 12V Current Foldback Profile
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VTH
Power-Good Threshold Voltage
V3VOUT
°C ≤ TA ≤ 70°C
●
2.8
2.9
3.0
V
–40
°C ≤ TA ≤ 85°C
●
2.75
2.9
3.0
V
V5VOUT
0
°C ≤ TA ≤ 70°C
●
4.5
4.65
4.75
V
–40
°C ≤ TA ≤ 85°C
●
4.4
4.65
4.75
V
VIL
Input Low Voltage
ON/ON, FAULT
●
0.8
V
VIH
Input High Voltage
ON/ON, FAULT
●
2V
VOL
Output Low Voltage
FAULT, PWRGD, I = 3mA
●
0.4
V
IIN
ON/ON Pin Input Current
ON/ON = GND
●
± 0.08
±10
A
ON/ON= 12VIN
●
± 0.08
±10
A
5VSENSE Input Current
5VSENSE = 5V
●
50
100
A
3VSENSE Input Current
3VSENSE = 3V
●
50
100
A
5VIN Input Current
5VIN = 5V
●
460
700
A
3VIN Input Current
3VIN = 3V
●
320
600
A
5VOUT Input Current
5VOUT = 5V, ON = 3V, ON = GND
●
240
500
A
3VOUT Input Current
3VOUT = 3.3V, ON = 3V, ON = GND
●
220
500
A
RDIS
5VOUT Discharge Impedance
ON = GND or ON = 3V
100
3VOUT Discharge Impedance
ON = GND or ON = 3V
70
12VOUT Discharge Impedance
ON = GND or ON = 3V
450
VEEOUT Discharge Impedance
ON = GND or ON = 3V
1600
ITIMER
TIMER Pin Current
Timer On, VTIMER = GND
●
–15
–22
–27
A
Timer Off, VTIMER = 5V
45
mA
VTIMER
TIMER Threshold Voltage
(V12VIN – VTIMER)
●
0.5
0.9
1.3
V
Note 2: All currents into device pins are positive; all currents out of device
pins are negative. All voltages are referenced to ground unless otherwise
specified.
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C.
V12VIN = 12V, VEEIN = – 12V, V3VIN = 3.3V, V5VIN = 5V (Note 2)
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| LTC1643AL-1IGN#PBF | 功能描述:IC CTRLR HOTSWAP PCI BUS 16SSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:119 系列:- 類型:熱交換控制器 應(yīng)用:通用型，PCI Express? 內(nèi)部開關(guān):無 電流限制:- 電源電壓:3.3V，12V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:80-TQFP 供應(yīng)商設(shè)備封裝:80-TQFP（12x12） 包裝:托盤 產(chǎn)品目錄頁面:1423 (CN2011-ZH PDF) |
| LTC1643AL-1IGN#TR | 功能描述:IC CTRLR HOTSWAP PCI BUS 16SSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:119 系列:- 類型:熱交換控制器 應(yīng)用:通用型，PCI Express? 內(nèi)部開關(guān):無 電流限制:- 電源電壓:3.3V，12V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:80-TQFP 供應(yīng)商設(shè)備封裝:80-TQFP（12x12） 包裝:托盤 產(chǎn)品目錄頁面:1423 (CN2011-ZH PDF) |
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| LTC1643AL-1IGNPBF | 制造商:Linear Technology 功能描述:PCI-Bus Hot Swap Controller, LTC1643AL |
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