- 您现在的位置：买卖IC网 > PDF目录79982 > LTC4413EDD2#PBF (LINEAR TECHNOLOGY CORP) SPECIALTY ANALOG CIRCUIT, PDSO10 PDF资料下载
参数资料
| 型号： | LTC4413EDD2#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO10 |
| 封装： | 3 X 3 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, MO-229WEED-2, DFN-10 |
| 文件页数： | 2/16页 |
| 文件大小： | 190K |
| 代理商： | LTC4413EDD2#PBF |
LTC4413-1/LTC4413-2
10
441312fb
OPERATION
Overcurrent and Short-Circuit Protection
During an overcurrent condition, the output voltage droops
as the load current exceeds the amount of current that
the LTC4413-1/LTC4413-2 can supply. At the time when
an overcurrent condition is rst detected, the LTC4413-1/
LTC4413-2 take some time to detect this condition before
reducing the current to IOC. For short durations after the
output is shorted, until TOC, the current may exceed IOC.
The magnitude of this peak short-circuit current can be
large depending on the load current immediately before
the short circuit occurs. During overcurrent operation, the
power consumption of the LTC4413-1/LTC4413-2 is large,
and is likely to cause an overtemperature condition as the
internal die temperature exceeds the thermal shutdown
temperature.
Overtemperature Protection
The overtemperature condition is detected when the
internal die temperature increases beyond 150°C. An
overtemperature condition will cause the gate ampliers
(A and B) as well as the two P-channel MOSFETs (PA
and PB) to shut off. When the internal die temperature
cools to below 140°C, the ampliers turn on and the
LTC4413-1/LTC4413-2 reverts to normal operation. Note
that prolonged operation under overtemperature condi-
tions degrades reliability.
Overvoltage Protection (LTC4413-2 Only)
An overvoltage condition is detected whenever the
overvoltage input (OVI) pin is pulled above 6V. The con-
dition persists until the OVI voltage falls below 5.6V. The
overvoltage protection (OVP) output is low unless an
overvoltage condition is detected. If an overvoltage condi-
tion is present, the OVP output is pulled up to the voltage
applied to the OVI input. This output signal can be used to
enable or disable an external PFET that is placed between
the input that is the source of the excessive voltage and
the input to the LTC4413-2, thus eliminating the potential
damage that may occur to the LTC4413-2 if its input volt-
age exceeds the absolute maximum voltage of 6V. See
the Applications Information section Dual Battery Load
Sharing with Automatic Switchover to a Wall Adapter with
Overvoltage Protection for more information on using the
overvoltage protection function within the LTC4413-2.
Channel Selection and Status Output
Two active-high control pins independently turn off the two
ideal diodes contained within the LTC4413-1/LTC4413-2,
controlling the operation mode as described by Table 1.
When the selected channel is reverse biased, or the
LTC4413-1/LTC4413-2 is put into low power standby, the
status signal indicates this condition with a low voltage.
Table 1: Mode Control
ENB1
ENB2
STATE
Low
Diode’OR NB: The Two Outputs are not Connected
Internal to the Device
Low
High
Diode A = ENABLED, Diode B = DISABLED
High
Low
Diode A = DISABLED, Diode B = ENABLED
High
All Off (Low Power Standby)
The function of the STAT pin depends on the mode that
has been selected. Table 2 describes the STAT pin output
current, as a function of the mode selected as well as the
conduction state of the two diodes.
Table 2: STAT Output Pin Function
ENB1
ENB2
CONDITIONS
STAT
Low
Diode A Forward Bias,
Diode B Forward Bias
ISNK = 0μA
Diode A Forward Bias,
Diode B Reverse Bias
ISNK = 0μA
Diode A Reverse Bias,
Diode B Forward Bias
ISNK = 11μA
Diode A Reverse Bias,
Diode B Reverse Bias
ISNK = 11μA
Low
High
Diode A Forward Bias,
Diode B Disabled
ISNK = 0μA
Diode A Reverse Bias,
Diode B Disabled
ISNK = 11μA
High
Low
Diode A Disabled,
Diode B Forward Bias
ISNK = 0μA
Diode A Disabled,
Diode B Reverse Bias
ISNK = 11μA
High
Diode A Disabled,
Diode B Disabled
ISNK = 11μA
相关PDF资料 |
PDF描述 |
|---|---|
| LES25A48-2V5AJ | 1-OUTPUT 62.5 W DC-DC REG PWR SUPPLY MODULE |
| LS1001-7PD8 | 1-OUTPUT AC-DC REG PWR SUPPLY MODULE |
| LS1001-9EPD8T | 1-OUTPUT 100 W AC-DC REG PWR SUPPLY MODULE |
| LS1001-9ERD9TB1 | 1-OUTPUT 100 W AC-DC REG PWR SUPPLY MODULE |
| LS1001-9RV0T | 1-OUTPUT AC-DC REG PWR SUPPLY MODULE |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC4413EDDPBF | 制造商:Linear Technology 功能描述:2-ch Ideal Diode OR Contr, LTC4413EDD |
| LTC4414EMS8 | 制造商:Linear Technology 功能描述:Power Controller 8-Pin MSOP |
| LTC4414EMS8#PBF | 功能描述:IC CNTRLR POWERPATH 8-MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - O 圈控制器 系列:PowerPath™ 标准包装:1,000 系列:- 应用:电池备份，工业/汽车，大电流开关 FET 型:- 输出数:5 内部开关:是 延迟时间 - 开启:100ns 延迟时间 - 关闭:- 电源电压:3 V ~ 5.5 V 电流 - 电源:250µA 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:16-SOIC（0.154"，3.90mm 宽） 供应商设备封装:16-SOIC N 包装:带卷 (TR) |
| LTC4414EMS8#TR | 制造商:Linear Technology 功能描述:Power Controller 8-Pin MSOP T/R |
| LTC4414EMS8#TRPBF | 功能描述:IC CNTRLR POWERPATH 8-MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - O 圈控制器 系列:PowerPath™ 标准包装:1,000 系列:- 应用:电池备份，工业/汽车，大电流开关 FET 型:- 输出数:5 内部开关:是 延迟时间 - 开启:100ns 延迟时间 - 关闭:- 电源电压:3 V ~ 5.5 V 电流 - 电源:250µA 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:16-SOIC（0.154"，3.90mm 宽） 供应商设备封装:16-SOIC N 包装:带卷 (TR) |
发布紧急采购，3分钟左右您将得到回复。