产品概述
描述
The L4931 is a very low drop regulator available in SO-8, DPAK and TO-92 packages and in a wide range of output voltages.
The very low drop voltage (0.4 V) and the very low quiescent current make it particularly suitable for low noise, low power applications and especially in battery-powered systems.
A TTL compatible shutdown logic control function is available in PPAK and SO-8 packages. This means that when the device is used as a local regulator, a part of the board can be put in standby mode, decreasing the total power consumption. It requires only a 2.2 µF capacitor for stability allowing space and cost saving.
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All features
- Very low dropout voltage (0.4 V)
- Very low quiescent current
- Typ. 50 µA in OFF mode, 600 µA in ON mode
- Output current up to 250 mA
- Logic controlled electronic shutdown
- Output voltages: 3.3; 3.5; 5;
- Internal current and thermal limit
- Only 2.2 µF for stability
- Available in ± 1 % (AB) or 2 % (C) selection at 25 °C
- Supply voltage rejection: 70 dB typ. for 5 V version
- Temperature range: from -40 to 125 °C
特别推荐
EDA Symbols, Footprints and 3D Models
STMicroelectronics - L4931
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Symbols
Footprints
3D models
Quality and Reliability
| Part Number | Marketing Status | Package | Grade | 符合RoHS级别 | Longevity Commitment | Longevity Starting Date | Material Declaration** |
|---|---|---|---|---|---|---|---|
| L4931ABD33-TR | Active 产品已量产 | SO-8 | Industrial | Ecopack2 (**) | - | - | |
| L4931ABD50-TR | Active 产品已量产 | SO-8 | Industrial | Ecopack2 | - | - | |
| L4931ABDT33-TR | Active 产品已量产 | DPAK | Industrial | Ecopack2 | - | - | |
| L4931CD33-TR | Active 产品已量产 | SO-8 | Industrial | Ecopack2 (**) | - | - | |
| L4931CD33-TRY | Active 产品已量产 | SO-8 | Automotive | Ecopack2 | - | - | |
| L4931CD50-TR | Active 产品已量产 | SO-8 | Industrial | Ecopack2 | - | - | |
| L4931CDT33-TR | Active 产品已量产 | DPAK | Industrial | Ecopack2 | - | - | |
| L4931CDT50-TR | Active 产品已量产 | DPAK | Industrial | Ecopack2 | - | - | |
| L4931CZ50-AP | Active 产品已量产 | TO-92 | Industrial | Ecopack2 | - | - |
(**) st.com上提供的材料声明表单可能是基于包装系列中最常用的封装的通用文档。因此，它们可能不是100%适用于特定的设备。有关特定设备的信息，请联系 销售支持。
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Sample & Buy
| Part Number | 供货状态 | Budgetary Price (US$)*/Qty | 从ST订购 | Order from distributors | Package | Packing Type | RoHS | Country of Origin | ECCN (US) | ECCN (EU) | Operating temperature (°C) | Operating Temperature (°C) (max) | Grade | Output Voltage (V) (nom) | Output Tolerance (typ) | Output Current (A) (nom) | ||
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| L4931CD50-TR | | | distributors 无法联系到经销商，请联系我们的销售办事处 |
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| L4931ABD33-TR | | | distributors 无法联系到经销商，请联系我们的销售办事处 |
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| L4931CD33-TR | | | distributors 无法联系到经销商，请联系我们的销售办事处 |
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| L4931CDT33-TR | | | distributors 无法联系到经销商，请联系我们的销售办事处 |
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| L4931CZ50-AP | | | distributors 无法联系到经销商，请联系我们的销售办事处 |
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| L4931ABD50-TR | | | distributors 无法联系到经销商，请联系我们的销售办事处 |
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| L4931ABDT33-TR | | | distributors 无法联系到经销商，请联系我们的销售办事处 |
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| L4931CDT50-TR | | | distributors 无法联系到经销商，请联系我们的销售办事处 |
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| L4931CD33-TRY | | | distributors 无法联系到经销商，请联系我们的销售办事处 |
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L4931CD50-TR Active
L4931ABD33-TR Active
L4931CD33-TR Active
L4931CDT33-TR Active
L4931CZ50-AP Active
L4931ABD50-TR Active
L4931ABDT33-TR Active
L4931CDT50-TR Active
L4931CD33-TRY Active