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参数资料
| 型号： | LTC4211IMS |
| 厂商： | Linear Technology |
| 文件页数： | 10/40页 |
| 文件大小： | 321K |
| 描述： | IC CONTROLLER HOT SWAP 10-MSOP |
| 标准包装： | 50 |
| 类型： | 热交换控制器 |
| 应用： | 通用 |
| 内部开关： | 无 |
| 电源电压： | 2.5 V ~ 16.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 10-MSOP |
| 包装： | 管件 |
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LTC4211
10
4211fb
TYPICAL PERFORMANCE CHARACTERISTICS
SUPPLY VOLTAGE (V)
0
0.3
0.4
0.5
16
4211 G52
0.2
0.1
0
4
8
12
2
18
6
10
14
20
T
A
= 25癈
TEMPERATURE (癈)
75
0
G
0.1
0.3
0.4
0.5
25
25 50
150
4211 G53
0.2
50
0
75
100
125
V
CC
= 5V
GATE Overvoltage Lockout Threshold
vs Supply Voltage
GATE Overvoltage Lockout Threshold
vs Temperature
PIN FUNCTIONS (8-Lead Package/10-Lead Package)
RESET (Pin 1/Pin 1): An open-drain output that pulls to
GND if the voltage at the FB pin (Pin 5/Pin 6) falls below
the FB pin threshold (1.236V). During the start-up cycle,
the RESET pin goes high impedance at the end of the
second timing cycle after the FB pin goes above the FB
threshold. This pin requires an external pull-up resistor
to V
CC
. If an undervoltage lockout condition occurs, the
RESET pin pulls low independently of the FB pin to prevent
false glitches.
ON (Pin 2/Pin 2): An active high signal used to enable or
disable LTC4211 operation. COMP1s high-to-low thresh-
old is set at 1.236V and its hysteresis is set at 80mV. If a
logic high signal is applied to the ON pin (V
ON
> 1.316V),
the first timing cycle begins if an overvoltage condition
does not exist on the GATE pin (Pin 6/Pin 7). If a logic
low signal is applied to the ON pin (V
ON
< 1.236V), the
GATE pin is pulled low by an internal 200糀 current sink.
The ON pin can also be used to reset the electronic circuit
breaker. If the ON pin is cycled low and then high following
a circuit breaker trip, the internal circuit breaker is reset,
and the LTC4211 begins a new start-up cycle.
TIMER (Pin 3/Pin 4): A capacitor connected from this pin
to GND sets the LTC4211s system timing. The LTC4211s
initial and second start-up timing cycles and its internal
power good delay time are defined by this capacitor.
GND (Pin 4/Pin 5): Device Ground Connection. Connect
this pin to the systems analog ground plane.
FB (Pin 5/Pin 6): The FB (Feedback) pin is an input to the
COMP2 comparator and monitors the output supply voltage
through an external resistor divider. If V
FB
< 1.236V, the
RESET pin pulls low. An internal glitch filter at COMP2s
output helps prevent negative voltage transients from
triggering a reset condition. If V
FB
> 1.239V, the RESET
pin goes high at the end of the second timing cycle.
GATE (Pin 6/Pin 7): The output signal at this pin is the
high side gate drive for the external N-channel FET pass
transistor.
As shown in the Block Diagram, an internal charge pump
supplies a 10糀 gate current and sufficient gate volt-
age drive to the external FET for supply voltages from
2.5V to 16.5V. The internal charge-pump and zener
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC4211IMS#PBF | 功能描述:IC CONTROLLER HOT SWAP 10-MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:119 系列:- 类型:热交换控制器 应用:通用型，PCI Express? 内部开关:无 电流限制:- 电源电压:3.3V，12V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:80-TQFP 供应商设备封装:80-TQFP（12x12） 包装:托盘 产品目录页面:1423 (CN2011-ZH PDF) |
| LTC4211IMS#TR | 功能描述:IC CONTROLLER HOT SWAP 10-MSOP 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 |
| LTC4211IMS#TRPBF | 功能描述:IC CONTROLLER HOT SWAP 10-MSOP 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 |
| LTC4211IMS8 | 功能描述:IC CONTROLLER HOT SWAP 8-MSOP 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 |
| LTC4211IMS8#PBF | 功能描述:IC CONTROLLER HOT SWAP 8-MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:119 系列:- 类型:热交换控制器 应用:通用型，PCI Express? 内部开关:无 电流限制:- 电源电压:3.3V，12V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:80-TQFP 供应商设备封装:80-TQFP（12x12） 包装:托盘 产品目录页面:1423 (CN2011-ZH PDF) |
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