參數(shù)資料
型號： LTC4244
廠商： Linear Technology Corporation
元件分類： 基準電壓源/電流源
英文描述： Rugged, CompactPCI Bus Hot Swap Controllers
中文描述： 堅固耐用，CompactPCI總線熱插拔控制器
文件頁數(shù)： 2/28頁
文件大小： 333K
代理商： LTC4244
2
LTC4244/LTC4244-1
42441f
GN PACKAGE
20-LEAD PLASTIC SSOP
T
JMAX
= 140
°
C,
θ
JA
= 135
°
C/W
1
2
3
4
5
6
7
8
9
10
TOP VIEW
20
19
18
17
16
15
14
13
12
11
12V
IN
V
EEIN
5V
OUT
TIMER
OFF/ON
FAULT
PWRGD
GND
RESETIN
RESETOUT
12V
OUT
V
EEOUT
3.3V
OUT
3.3V
IN
3.3V
SENSE
GATE
5V
SENSE
5V
IN
PRECHARGE
DRIVE
(Notes 1, 2, 3)
Supply Voltages
12V
IN
................................................................ 14.4V
V
EEIN
.............................................................. –14.4V
Input Voltages (OFF/ON, RESETIN) ........–0.3V to 13.5V
Output Voltages (FAULT, PWRGD, RESETOUT)
...........................................................–0.3V to 13.5V
Analog Voltages and Currents
5V
OUT
, DRIVE, 5V
IN
, 3.3V
SENSE
, 3.3V
IN
, 3.3V
OUT
, 5V
SENSE
...........................................................–0.3V to 13.5V
PRECHARGE, GATE.......................................
±
20mA
V
EEOUT
................................................–14.4V to 0.3V
TIMER, 12V
OUT...........................................
–0.3V to 14.4V
Operation Temperature Range
LTC4244C/LTC4244C-1...........................0
°
C to 70
°
C
LTC4244I/LTC4244I-1........................ –40
°
C to 85
°
C
Storage Temperature Range................. –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)..................300
°
C
ORDER PART
NUMBER
LTC4244CGN
LTC4244CGN-1
LTC4244IGN
LTC4244IGN-1
SYMBOL
I
DD
V
LKO
PARAMETER
V
12VIN
Supply Current
Undervoltage Lockout
CONDITIONS
OFF/ON = 0V
12V
IN
, Ramping Down
5V
IN
, Ramping Down
3.3V
IN
, Ramping Down
V
EEIN
, Ramping Up (LTC4244 Only)
TIMER, Ramping Down, V
12VIN
= 6V
V
FB
= (V
5VIN
– V
5VSENSE
), V
5VOUT
= 0V, TIMER = 0V
V
FB
= (V
5VIN
– V
5VSENSE
), V
5VOUT
= 3V, TIMER = 0V
V
FB
= (V
3.3VIN
– V
3.3VSENSE
), V
3.3VOUT
= 0V, TIMER = 0V
V
FB
= (V
3.3VIN
– V
3.3VSENSE
), V
3.3VOUT
= 2V, TIMER = 0V
V
CB
= (V
5VIN
– V
5VSENSE
), TIMER = FLOAT
V
CB
= (V
3.3VIN
– V
3.3VSENSE
), TIMER = FLOAT
MIN
TYP
4
9
4.25
2.5
–9.25
9.25
16
51
16
51
52
52
25
25
–67
60
8
0.6
225
110
MAX
10
10
4.5
2.75
–10.25
10.25
21
56
21
56
57
57
35
35
–100
100
16
1
600
250
UNITS
mA
G
G
G
G
G
G
8
4
V
V
V
V
V
2.25
–8.25
8.25
11
46
11
46
45
45
17
17
–20
20
4
V
FB
Foldback Current Limit Voltage
G
G
G
G
mV
mV
mV
mV
mV
mV
μ
s
μ
s
μ
A
μ
A
mA
V
CB
Circuit Breaker Trip Voltage
G
G
t
OC
Overcurrent Fault Response Time (V
5VIN
– V
5VSENSE
) = 100mV, TIMER = FLOAT
(V
3.3VIN
– V
3.3VSENSE
) = 100mV, TIMER = FLOAT
GATE Pin Output Current
OFF/ON = 0V, V
GATE
= 2V, TIMER = 0V
V
GATE
= 5V, OFF/ON = 4V
OFF/ON = 0V, V
GATE
= 2V, TIMER = FLOAT, FAULT = 0V
External Gate Voltage
V
GATE
= (V
12VIN
– V
GATE
), I
GATE
= –1
μ
A
Internal Switch Voltage Drop
V
12V
= (V
12VIN
– V
12VOUT
), I = 500mA
V
VEE
= (V
EEOUT
– V
EEIN
), I
EE
= 100mA
G
G
I
GATE(UP)
I
GATE(DN)
I
GATE(FAULT)
V
GATE
V
12V
V
VEE
G
G
G
G
V
G
mV
mV
G
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ABSOLUTEW
W
W
U
PACKAGE/ORDER U
U
W
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
A
= 25
°
C. V
12VIN
= 12V, V
EEIN
= –12V, V
3.3VIN
= 3.3V, V
5VIN
= 5V, unless
otherwise noted.
The
G
denotes the specifications which apply over the full operating
相關PDF資料
PDF描述
LTC4244CGN-1 Rugged, CompactPCI Bus Hot Swap Controllers
LTC4244IGN Rugged, CompactPCI Bus Hot Swap Controllers
LTC4244IGN-1 Rugged, CompactPCI Bus Hot Swap Controllers
LTC4244CGN Rugged, CompactPCI Bus Hot Swap Controllers
LTC4252-1 TRANS ARRAY NPN/PNP SS MINI-6P
相關代理商/技術參數(shù)
參數(shù)描述
LTC4244CGN 功能描述:IC CTRLR HOTSWAP PCI 20-SSOP 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)
LTC4244CGN#PBF 功能描述:IC CTLR HOT SWAP PCI 20-SSOP 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)
LTC4244CGN#TR 功能描述:IC CTRLR HOT SWAP CPCI 20-SSOP 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)
LTC4244CGN#TRPBF 功能描述:IC CTRLR HOTSWAP PCI 20-SSOP 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)
LTC4244CGN-1 制造商:Linear Technology 功能描述:Hot Swap Controller 13.5V/14.4V/-14.4V 20-Pin SSOP N
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