參數(shù)資料
型號： LTC4221
廠商： Linear Technology Corporation
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： Dual Hot Swap Controller/ Power Sequencer with Dual Speed, Dual Level Fault Protection
中文描述： 雙熱插拔控制器/電源與雙速序列，雙級故障保護
文件頁數(shù)： 2/28頁
文件大小： 311K
代理商： LTC4221
2
LTC4221
4221f
ORDER PART
NUMBER
LTC4221CGN
LTC4221IGN
(Note 1)
Supply Voltage (V
CCn
) ............................................ 17V
SENSEnPins ............................ –0.3V to (V
CCn
+ 0.3V)
FB, ON Pins .............................. –0.3V to (V
CC1
+ 0.3V)
TIMER Pin .................................................. –0.3V to 2V
GATE Pins (Note 3)................................... –0.3V to 21V
PWRGD, FAULT, FILTER Pins................... –0.3V to 17V
Operating Temperature Range
LTC4221C ...............................................0
°
C to 70
°
C
LTC4221I............................................ –40
°
C to 85
°
C
Storage Temperature Range................. –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)..................300
°
C
T
JMAX
= 125
°
C,
θ
JA
= 130
°
C/W
ABSOLUTE
AXI
U
RATIU
W
W
W
PACKAGE/ORDER I
FOR
ATIO
W
U
U
SYMBOL
V
CC1
V
CC2
I
CC1
I
CC2
V
CC1(UVL)
V
CC1(HYST)
V
CC2(UVL)
V
CC2(HYST)
I
SENSE1(IN)
I
SENSE2(IN)
PARAMETER
Supply Voltage Channel 1
Supply Voltage Channel 2
V
CC1
Supply Current
V
CC2
Supply Current
Undervoltage Lockout for Channel 1
Undervoltage Lockout Hysteresis
Undervoltage Lockout for Channel 2
Undervoltage Lockout Hysteresis
SENSE1 Pin Input Current
SENSE2 Pin Input Current
CONDITIONS
MIN
2.7
1
TYP
MAX
13.5
13.5
3
0.15
2.675
UNITS
●
V
V
V
CC2
≤
V
CC1
ON1, ON2 = 2V
ON1, ON2 = 2V
V
CC1
Rising
●
●
2.2
0.05
2.5
110
0.8
25
±
0.03
±
0.2
1000
100
25
25
9
25
–9.5
100
16
mA
mA
●
●
2.1
V
mV
V
CC2
Rising
●
0.65
0.975
V
mV
μ
A
μ
A
μ
A
mV
mV
mV
mV
mV
μ
A
μ
A
mA
0V
≤
V
SENSE1
≤
V
CC1
V
SENSE2
= V
CC2
V
SENSE2
= 0V
ChannelnFast Comparator Threshold
ChannelnSlow Comparator Threshold
●
±
5
±
5
●
V
SENSE(FC)
V
SENSE(SC)
SENSEnThreshold Voltage
SENSEnThreshold Voltage
●
85
22.5
20.5
115
27.5
29.5
●
V
SENSE(ACL)
SENSEnVoltage at Active
Current Limit
GATEnOutput Current
GATEnOutput Current
GATEnOutput Current
V
FBn
= 0
V
FBn
= 0.65V
V
ON1
= V
ON2
= 2V, V
GATEn
= 0V
V
ON1
= V
ON2
= 0.6V, V
GATEn
= 3.3V
UVLO with V
GATEn
= 3.3V or FAULT
Latched with V
GATEn
= 3.3V
V
GATEn
– V
CC1
for V
CC1
= 2.7V, V
CC2
= 1V
V
GATEn
– V
CC1
for V
CC1
= 3.3V, V
CC2
= 2.5V
V
GATEn
– V
CC1
for V
CC1
= 5V, V
CC2
= 3.3V
V
GATEn
– V
CC1
for V
CC1
= 12V, V
CC2
= 12V
I
GATE(UP)
I
GATE(DN)
I
GATE(FSTDN)
●
–7
75
–12
125
●
V
GATE
External N-Channel Gate Drive
●
●
●
●
4.5
5
8
7
13
16
16
18
0.5
±
1
0.425
V
V
V
V
V
V
GATE(OV)
I
ON(IN)
V
ON(RESET)
V
ON(RESETHYST)
GATEnOvervoltage Lockout Threshold
ONnPin Input Current
ON1 Reset Threshold
ON1 Reset Threshold Hysteresis
●
0.4
±
0.01
0.4
25
0V
≤
V
ONn
≤
V
CC1
V
ON1
Falling
●
μ
A
V
mV
●
0.375
The
●
indicates specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25
°
C. V
CC1
= 5V, V
CC2
= 3.3V, unless otherwise noted.
GN PACKAGE
16-LEAD PLASTIC SSOP
1
2
3
4
5
6
7
8
TOP VIEW
16
15
14
13
12
11
10
9
ON1
V
CC1
SENSE1
GATE1
FB1
PWRGD1
FAULT
FILTER
ON2
V
CC2
SENSE2
GATE2
FB2
PWRGD2
GND
TIMER
GN PART
MARKING
4221
4221I
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC4221CGN 功能描述:IC CTRLR HOTSWAP DUAL 16SSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:100 系列:- 類型:熱插拔開關(guān) 應(yīng)用:通用 內(nèi)部開關(guān):是 電流限制:可調(diào) 電源電壓:9 V ~ 13.2 V 工作溫度:-40°C ~ 150°C 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-TDFN-EP（3x3） 包裝:管件
LTC4221CGN#PBF 功能描述:IC CTLR HOT SWAP DUAL 16SSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:100 系列:- 類型:熱插拔開關(guān) 應(yīng)用:通用 內(nèi)部開關(guān):是 電流限制:可調(diào) 電源電壓:9 V ~ 13.2 V 工作溫度:-40°C ~ 150°C 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-TDFN-EP（3x3） 包裝:管件
LTC4221CGN#TR 功能描述:IC CTRLR HOTSWAP DUAL 16SSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:100 系列:- 類型:熱插拔開關(guān) 應(yīng)用:通用 內(nèi)部開關(guān):是 電流限制:可調(diào) 電源電壓:9 V ~ 13.2 V 工作溫度:-40°C ~ 150°C 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-TDFN-EP（3x3） 包裝:管件
LTC4221CGN#TRPBF 功能描述:IC CTRLR HOTSWAP DUAL 16SSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:100 系列:- 類型:熱插拔開關(guān) 應(yīng)用:通用 內(nèi)部開關(guān):是 電流限制:可調(diào) 電源電壓:9 V ~ 13.2 V 工作溫度:-40°C ~ 150°C 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-TDFN-EP（3x3） 包裝:管件
LTC4221IGN 功能描述:IC CTRLR HOTSWAP DUAL 16SSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:100 系列:- 類型:熱插拔開關(guān) 應(yīng)用:通用 內(nèi)部開關(guān):是 電流限制:可調(diào) 電源電壓:9 V ~ 13.2 V 工作溫度:-40°C ~ 150°C 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-TDFN-EP（3x3） 包裝:管件
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