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参数资料
| 型号： | LTC4357HDCB#TRMPBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6 |
| 封装： | 2 X 3 MM, LEAD FREE, PLASTIC, MO-229, DFN-6 |
| 文件页数： | 10/14页 |
| 文件大小： | 723K |
| 代理商： | LTC4357HDCB#TRMPBF |
LTC4357
4357fd
pin Functions
Exposed Pad: Exposed pad may be left open or connected
to GND.
GATE: Gate Drive Output. The GATE pin pulls high, enhanc-
ing the N-channel MOSFET when the load current creates
more than 25mV of voltage drop across the MOSFET.
When the load current is small, the gate is actively driven
to maintain 25mV across the MOSFET. If reverse current
develops more than –25mV of voltage drop across the
MOSFET, a fast pull-down circuit quickly connects the
GATE pin to the IN pin, turning off the MOSFET.
GND: Device Ground.
IN: Input Voltage and GATE Fast Pull-Down Return. IN is
the anode of the ideal diode and connects to the source
of the N-channel MOSFET. The voltage sensed at this pin
is used to control the source-drain voltage across the
MOSFET. The GATE fast pull-down current is returned
through the IN pin. Connect this pin as close as possible
to the MOSFET source.
NC: No Connection. Not internally connected.
OUT: Drain Voltage Sense. OUT is the cathode of the ideal
diode and the common output when multiple LTC4357s
are configured as an ideal diode-OR. It connects to the
drain of the N-channel MOSFET. The voltage sensed at
this pin is used to control the source-drain voltage across
the MOSFET.
VDD: Positive Supply Input. The LTC4357 is powered from
the VDD pin. Connect this pin to OUT either directly or
through an RC hold-up circuit.
4357 BD
CHARGE PUMP
–
+
–
+
+ –
FPD
COMP
GATE
AMP
25mV
IN
GATE
17V
OUT
GND
IN
VDD
+–
block DiagraM
相关PDF资料 |
PDF描述 |
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| LTC4357HDCB#TRPBF | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6 |
| LTC4357MPMS8 | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| LTC4357MPMS8#PBF | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| LTC4357HMS8#TRPBF | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| LTC4357MPMS8#TR | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC4357HMS8#PBF | 功能描述:IC CTRLR IDEAL DIODE 8-MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - O 圈控制器 系列:- 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) |
| LTC4357HMS8#PBF | 制造商:Linear Technology 功能描述:IC IDEAL DIODE CTRL HIGH VOLT MSOP-8 |
| LTC4357HMS8#TRPBF | 功能描述:IC CTRLR IDEAL DIODE 8-MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - O 圈控制器 系列:- 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) |
| LTC4357HMS8PBF | 制造商:Linear Technology 功能描述:Ideal Diode Controller 9-80V MSOP8EP |
| LTC4357IDCB#PBF | 制造商:Linear Technology 功能描述:CONTROLLER DIODE SMD DFN-6 4357 制造商:Linear Technology 功能描述:CONTROLLER, DIODE, SMD, DFN-6, 4357 |
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