參數(shù)資料
型號： LTC1643ALCGN#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)： 9/16頁
文件大?。?/td> 231K
代理商： LTC1643ALCGN#TRPB
2
LTC1643AL
LTC1643AL-1/LTC1643AH
1643afb
GN PART MARKING
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
IDD
V12VIN Supply Current
ON = GND, ON = 3V
●
3.5
8
mA
VLKO
Undervoltage Lockout
12VIN
●
7
9.5
10.8
V
3VIN
●
2.25
2.5
2.75
V
5VIN
●
2.25
2.5
2.75
V
VFB
Foldback Current Limit Voltage
VFB = (V5VIN – V5VSENSE), V5VOUT = 0V
●
4
7.5
12
mV
VFB = (V5VIN – V5VSENSE), V5VOUT > 4V
●
40
53
65
mV
VFB = (V3VIN – V3VSENSE), V3VOUT = 0V
●
4
7.5
12
mV
VFB = (V3VIN – V3VSENSE), V3VOUT > 2V
●
40
53
65
mV
tCB
Circuit Breaker Trip Filter Time
14.6
s
ICP
GATE Pin Output Current
Charge Pump On, VGATE = GND, FAULT = High
●
– 20
– 62
– 100
A
Charge Pump Off, VGATE = 5V, FAULT = High
200
A
Charge Pump Off, VGATE = 2V, FAULT = Low
●
3
17.5
mA
VGATE
External Gate Voltage
(V12VIN – VGATE)
100
200
mV
VDROP
Internal Switch Voltage Drop
(V12VIN – V12VOUT),
0
°C ≤ TA ≤ 70°C
●
225
600
I12VOUT = 500mA
– 40
°C ≤ TA ≤ 85°C
●
225
750
mV
(VEEOUT – VEEIN), IVEEIN = 100mA
●
125
250
mV
ICL
Current Foldback
12VIN = 12V, 12VOUT = 0V
●
50
250
600
mA
12VIN = 12V, 12VOUT = 10V
●
525
850
1500
mA
VEEIN = –12V, VEEOUT = 0V (LTC1643AL/LTC1643AH Only) ●
50
160
500
mA
VEEIN = –12V, VEEOUT = – 10V
●
225
450
800
mA
TTS
Thermal Shutdown Temperature
150
°C
VTH
Power-Good Threshold Voltage
V12VOUT
0
°C ≤ TA ≤ 70°C
●
10.8
11.1
11.4
V
LTC1643AH/LTC1643AL Only
– 40
°C ≤ TA ≤ 85°C
●
10.4
11.1
11.4
V
VEEOUT
0
°C ≤ TA ≤ 70°C
●
– 10.2
– 10.5
– 10.8
V
LTC1643AH/LTC1643AL Only
– 40
°C ≤ TA ≤ 85°C
●
– 10.0
– 10.5
– 10.8
V
ABSOLUTE MAXIMUM RATINGS
W
WW
U
PACKAGE/ORDER INFORMATION
W
U
ORDER PART NUMBER
(Note 1)
Supply Voltages
12VIN ................................................................ 13.2V
VEEIN .............................................................. –13.2V
Input Voltage (Pin 5) ................ – 0.3V to (12VIN + 0.3V)
Output Voltages (Pins 6, 7) ...... – 0.3V to (12VIN + 0.3V)
Analog Voltages
(Pins 3, 4, 9, 10 to 14) ........ – 0.3V to (12VIN + 0.3V)
VEEOUT ............................................ –13.2V to + 0.3V
12VOUT .............................................. – 0.3V to 13.2V
Operating Temperature Range
LTC1643ALC/LTC1643AL-1C/
LTC1643AHC ........................................... 0
°C to 70°C
LTC1643ALI/LTC1643AL-1I/
LTC1643AHI ...................................... – 40
°C to 85°C
Storage Temperature Range ................. – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300
°C
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
12VIN
VEEIN
3VOUT
TIMER
ON/ON*
FAULT
PWRGD
GND
12VOUT
VEEOUT
5VOUT
5VIN
5VSENSE
GATE
3VSENSE
3VIN
*ON FOR LTC1643AH,
ON FOR LTC1643AL/LTC1643AL-1
TJMAX = 150°C, θJA = 135°C/ W
LTC1643AHCGN
LTC1643ALCGN
LTC1643AL-1CGN
LTC1643AHIGN
LTC1643ALIGN
LTC1643AL-1IGN
DC ELECTRICAL CHARACTERISTICS 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)
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/
相關PDF資料
PDF描述
LTC1643ALIGN#TRPB 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16
LTC1643AL-1IGN#TRPB 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16
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相關代理商/技術參數(shù)
參數(shù)描述
LTC1643ALIGN 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)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:119 系列:- 類型:熱交換控制器 應用:通用型，PCI Express? 內(nèi)部開關: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 供應商設備封裝:80-TQFP（12x12） 包裝:托盤 產(chǎn)品目錄頁面:1423 (CN2011-ZH PDF)
LTC1643ALIGN#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)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:119 系列:- 類型:熱交換控制器 應用:通用型，PCI Express? 內(nèi)部開關: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 供應商設備封裝:80-TQFP（12x12） 包裝:托盤 產(chǎn)品目錄頁面:1423 (CN2011-ZH PDF)
LTC1643ALIGN#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)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:119 系列:- 類型:熱交換控制器 應用:通用型，PCI Express? 內(nèi)部開關: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 供應商設備封裝:80-TQFP（12x12） 包裝:托盤 產(chǎn)品目錄頁面:1423 (CN2011-ZH PDF)
LTC1643ALIGN#TRPBF 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)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:119 系列:- 類型:熱交換控制器 應用:通用型，PCI Express? 內(nèi)部開關: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 供應商設備封裝:80-TQFP（12x12） 包裝:托盤 產(chǎn)品目錄頁面:1423 (CN2011-ZH PDF)
LTC1643L-1CGN 制造商:Linear Technology 功能描述:
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