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| 型号： | ZXCL400H5TA |
| 厂商： | Diodes Inc |
| 文件页数： | 8/14页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 4V .15A SC70-5 |
| 标准包装： | 1 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 4V |
| 输入电压： | 最高 5.5V |
| 电压 - 压降（标准）： | 0.14V @ 100mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 150mA（最小值） |
| 电流 - 限制（最小）： | 160mA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 6-TSSOP（5 引线），SC-88A，SOT-353 |
| 供应商设备封装： | SC-70-5 |
| 包装： | 标准包装 |
| 其它名称： | ZXCL400H5TADKR |
ZXCL SERIES
Input to Output Diode
In common with many other LDO regulators, the
ZXCL device has an inherent diode associated
with the output series pass transistor. This diode
has its anode connected to the output and its
cathode to the input. The internal diode is
normally reverse biased, but will conduct if the
output is forced above the input by more than a
VBE (approximately 0.6V). Current will then flow
from V out to V in . For safe operation, the
maximum current in this diode should be
limited to 5mA continuous and 30mA peak. An
external schottky diode may be used to provide
protection when this condition cannot be
satisfied.
Increased Output current
Any ZXCL series device may be used in
conjunction with an external PNP transistor to
boost the output current capability. In the
application circuit shown below, a FMMT717
device is employed as the external pass
element. This SOT23 device can supply up to
2.5A maximum current subject to the thermal
dissipation limits of the package (625mW).
Alternative devices may be used to supply
higher levels of current. Note that with this
arrangement, the dropout voltage will be
increased by the V BE drop of the external device.
Also, care should be taken to protect the pass
transistor in the event of excessive output
current.
Scheme to boost output current to 2A
? Zetex Semiconductors plc 2007
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ZXCL5213V25 | 制造商:ZETEX 制造商全称:ZETEX 功能描述:MICROPOWER SC70-5 & SOT23-5 LOW DROPOUT REGULATORS |
| ZXCL5213V25H5 | 制造商:ZETEX 制造商全称:ZETEX 功能描述:MICROPOWER SC70-5 & SOT23-5 LOW DROPOUT REGULATORS |
| ZXCL5213V25H5TA | 功能描述:低压差稳压器 - LDO 2.5V LDO MIC/LMS RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| ZXCL5213V26 | 制造商:ZETEX 制造商全称:ZETEX 功能描述:MICROPOWER SC70-5 & SOT23-5 LOW DROPOUT REGULATORS |
| ZXCL5213V26H5 | 制造商:ZETEX 制造商全称:ZETEX 功能描述:MICROPOWER SC70-5 & SOT23-5 LOW DROPOUT REGULATORS |
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