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参数资料
| 型号： | LTC4221CGN#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/28页 |
| 文件大小： | 272K |
| 描述： | IC CTLR HOT SWAP DUAL 16SSOP |
| 标准包装： | 100 |
| 类型： | 热交换控制器 |
| 应用： | 通用 |
| 内部开关： | 无 |
| 电源电压： | 1 V ~ 13.5 V |
| 工作温度： | 0°C ~ 70°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 |
| 产品目录页面： | 1342 (CN2011-ZH PDF) |
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3
LTC4221
4221fa
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
I
GATE(UP)
GATEn Output Current
V
ON1
= V
ON2
= 2V, V
GATEn
= 0V
?SPAN class="pst LTC4221IGN-TRPBF_2345295_4"> 7
9.5
12
糀
I
GATE(DN)
GATEn Output Current
V
ON1
= V
ON2
= 0.6V, V
GATEn
= 3.3V
?/DIV>
75
100
125
糀
I
GATE(FSTDN)
GATEn Output Current
UVLO with V
GATEn
= 3.3V or FAULT
16
mA
Latched with V
GATEn
= 3.3V
擵
GATE
External N-Channel Gate Drive
V
GATEn
V
CC1
for V
CC1
= 2.7V, V
CC2
= 1V
?/DIV>
4.5
13
V
V
GATEn
V
CC1
for V
CC1
= 3.3V, V
CC2
= 2.5V ?/SPAN>
5
16
V
V
GATEn
V
CC1
for V
CC1
= 5V, V
CC2
= 3.3V
?/DIV>
8
16
V
V
GATEn
V
CC1
for V
CC1
= 12V, V
CC2
= 12V
?/DIV>
7
18
V
V
GATE(OV)
GATEn Overvoltage Lockout Threshold
?/DIV>
0.4
0.5
V
I
ON(IN)
ONn Pin Input Current
0V d V
ONn
d V
CC1
?/DIV>
?.01
?
糀
V
ON(RESET)
ON1 Reset Threshold
V
ON1
Falling
?SPAN class="pst LTC4221IGN-TRPBF_2345295_4"> 0.375
0.4
0.425
V
擵
ON(RESETHYST)
ON1 Reset Threshold Hysteresis
25
mV
V
ON(OFF)
ONn Off Threshold
High to Low, GATEn Turns Off by 100糀
?SPAN class="pst LTC4221IGN-TRPBF_2345295_4"> 0.796
0.821
0.846
V
Pull-Down
擵
ON(OFFHYST)
ONn Off Threshold Hysteresis
30
mV
I
FB(IN)
FBn Input Current
0V d V
FBn
d V
CCn
?/DIV>
?.01
?
糀
V
FB(UV)
FBn Undervoltage Threshold
FBn Falling
?SPAN class="pst LTC4221IGN-TRPBF_2345295_4"> 0.605
0.617
0.629
V
擵
FB(UVHYST)
FBn Undervoltage Threshold Hysteresis
3
mV
擵
FB(LREG)
FBn Threshold Line Regulation
2.7V d V
CC1
d 13.5V
2
mV
V
FB(OV)
FBn Overvoltage Threshold
FBn Rising
?SPAN class="pst LTC4221IGN-TRPBF_2345295_4"> 0.805
0.822
0.838
V
I
FILTER(UP)
FILTER Pull-Up Current
During Current Fault Condition
?/DIV>
80
105
132
糀
I
FILTER(DN)
FILTER Pull-Down Current
During Normal Cycle
?SPAN class="pst LTC4221IGN-TRPBF_2345295_4"> 1.15
1.8
2.45
糀
V
FILTER(TH)
FILTER Threshold
Latched Off Threshold, FILTER Rising
?SPAN class="pst LTC4221IGN-TRPBF_2345295_4"> 1.18
1.24
1.30
V
擵
FILTER(HYST)
FILTER Threshold Hysteresis
105
mV
I
TMR(UP1)
TIMER Pull-Up Current 1
Initial Timing Cycle
?SPAN class="pst LTC4221IGN-TRPBF_2345295_4"> 1.2
1.9
2.6
糀
I
TMR(UP2)
TIMER Pull-Up Current 2
Start-Up Cycle
?/DIV>
15
20
25
糀
I
TMR(FSTDN)
TIMER Pull-Down Current
V
TIMER
= 1.5V, End of Initial Timing Cycle
9
mA
V
TMR(H)
TIMER High Threshold
TIMER Rising
?SPAN class="pst LTC4221IGN-TRPBF_2345295_4"> 1.172
1.234
1.27
V
V
TMR(L)
TIMER Low Threshold
TIMER Falling
?/DIV>
0.1
0.4
0.5
V
I
FAULT(UP)
FAULT Pull-Up Current
?SPAN class="pst LTC4221IGN-TRPBF_2345295_4"> 2.5
3.8
5
糀
V
FAULT(TH)
FAULT Threshold
FAULT Falling
?SPAN class="pst LTC4221IGN-TRPBF_2345295_4"> 0.791
0.816
0.841
V
擵
FAULT(HYST)
FAULT Hysteresis
35
mV
V
FAULT(OL)
FAULT Output Low Voltage
I
FAULT
= 1.6mA, V
CC1
= 5V
?/DIV>
0.14
0.4
V
I
PWRGD(LK)
PWRGDn Leakage Current
V
PWRGDn
= V
CC1
, V
FBn
= 0.7V, Normal Cycle ?/SPAN>
?.01
?0
糀
V
PWRGD(OL)
PWRGDn Output Low Voltage
I
PWRGDn
= 1.6mA, V
CC1
= 5V, V
FBn
= 0V,
?/DIV>
0.14
0.4
V
Normal Cycle
t
P(FC-GATE)
Fast Comparator Trip to GATEn
V
SENSEn
= V
CCn
to (V
CCn
200mV) Step
?/DIV>
1
1.5
約
Discharging
t
P(SC-FAULT)
Slow Comparator Trip to FILTER
V
SENSEn
= V
CCn
to (V
CCn
50mV) Step.
?/DIV>
15
35
約
High and FAULT Latched
FILTER Open
The ?/SPAN> indicates specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25?/SPAN>C. V
CC1
= 5V, V
CC2
= 3.3V, unless otherwise noted.
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| LTC4221IGN | 功能描述:IC CTRLR HOTSWAP DUAL 16SSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:100 系列:- 类型:热插拔开关 应用:通用 内部开关:是 电流限制:可调 电源电压:9 V ~ 13.2 V 工作温度:-40°C ~ 150°C 安装类型:表面贴装 封装/外壳:10-WFDFN 裸露焊盘 供应商设备封装:10-TDFN-EP（3x3） 包装:管件 |
| LTC4221IGN#PBF | 功能描述:IC CTRLR HOTSWAP DUAL 16SSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:100 系列:- 类型:热插拔开关 应用:通用 内部开关:是 电流限制:可调 电源电压:9 V ~ 13.2 V 工作温度:-40°C ~ 150°C 安装类型:表面贴装 封装/外壳:10-WFDFN 裸露焊盘 供应商设备封装:10-TDFN-EP（3x3） 包装:管件 |
| LTC4221IGN#TR | 功能描述:IC CTRLR HOTSWAP DUAL 16SSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:100 系列:- 类型:热插拔开关 应用:通用 内部开关:是 电流限制:可调 电源电压:9 V ~ 13.2 V 工作温度:-40°C ~ 150°C 安装类型:表面贴装 封装/外壳:10-WFDFN 裸露焊盘 供应商设备封装:10-TDFN-EP（3x3） 包装:管件 |
| LTC4221IGN#TRPBF | 功能描述:IC CTRLR HOTSWAP DUAL 16SSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:100 系列:- 类型:热插拔开关 应用:通用 内部开关:是 电流限制:可调 电源电压:9 V ~ 13.2 V 工作温度:-40°C ~ 150°C 安装类型:表面贴装 封装/外壳:10-WFDFN 裸露焊盘 供应商设备封装:10-TDFN-EP（3x3） 包装:管件 |
| LTC4222 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Hot Swap Controller |
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