产品概述
描述
The KF series are very low drop regulators available in SO-8 and DPAK packages and in a wide range of output voltages.
The very low dropout voltage (0.4 V) and the very low quiescent current make them particularly suitable for low noise, low power applications and especially in battery powered systems.
A shutdown logic control function is available (pin 5, TTL compatible). This means that when the device is used as a local regulator, it is possible to put a part of the board in standby, decreasing the total power consumption. It requires only a 2.2 μF capacitor for stability allowing space and cost saving.
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所有功能
- Very low dropout voltage (0.4 V)
- Very low quiescent current (typ. 50 μA in OFF mode, 500 μA in ON mode)
- Output current up to 500 mA
- Logic-controlled electronic shutdown
- Output voltages of 2.5; 3.3; 5; 8 V
- Internal current and thermal limit
- Only 2.2 μF for stability
- Available in ± 2 % accuracy at 25 °C
- Supply voltage rejection: 70 db (typ.)
- Temperature range: - 40 to 125 °C
特别推荐
EDA符号、封装和3D模型
STMicroelectronics - KFXX
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符号
封装
3D模型
质量与可靠性
| 产品型号 | Marketing Status | 封装 | 等级规格 | 符合RoHS级别 | 材料声明** |
|---|---|---|---|---|---|
| KF25BD-TR | 批量生产 | SO-8 | 工业 | Ecopack2 | |
| KF25BDT-TR | 批量生产 | DPAK | 工业 | Ecopack2 | |
| KF33BD-TR | 批量生产 | SO-8 | 工业 | Ecopack2 | |
| KF33BDT-TR | 批量生产 | DPAK | 工业 | Ecopack2 | |
| KF50BD-TR | 批量生产 | SO-8 | 工业 | Ecopack2 | |
| KF50BDT-TR | 批量生产 | DPAK | 工业 | Ecopack2 | |
| KF80BDT-TR | 批量生产 | DPAK | 工业 | Ecopack2 | |
KF80BDT-TR
Package:
DPAKMaterial Declaration**:
(**) 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。
样片和购买
| 产品型号 | Order from distributors | 从ST订购 | 供货状态 | 等级规格 | ECCN (US) | ECCN (EU) | 包装类型 | 封装 | 温度（ºC） | Output Voltage (V) (nom) | Output Tolerance (typ) | Output Current (A) (nom) | Country of Origin | Budgetary Price (US$)*/Qty | Output Voltage (V) (nom) | Output Tolerance (typ) | Output Current (A) (nom) | 单价(US$) | Country of Origin | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 最小值 | 最大值 | ||||||||||||||||||||
| KF33BD-TR | distributors 无法联系到经销商，请联系我们的销售办事处 | 批量生产 | Industrial | EAR99 | NEC | Tape and Reel | SO-8 | -40 | 125 | 3.3 | 2 | 0.5 | CHINA | | 3.3 | 2 | 0.5 | 0.4879 | CHINA | ||
| KF80BDT-TR | distributors 无法联系到经销商，请联系我们的销售办事处 | 批量生产 | Industrial | EAR99 | NEC | Tape and Reel | DPAK | -40 | 125 | 8 | 2 | 0.5 | CHINA | | 8 | 2 | 0.5 | 0.4879 | CHINA | ||
| KF50BDT-TR | distributors 无法联系到经销商，请联系我们的销售办事处 | 批量生产 | Industrial | EAR99 | NEC | Tape and Reel | DPAK | -40 | 125 | 5 | 2 | 0.5 | CHINA | | 5 | 2 | 0.5 | 0.4879 | CHINA | ||
| KF50BD-TR | distributors 无法联系到经销商，请联系我们的销售办事处 | 批量生产 | Industrial | EAR99 | NEC | Tape and Reel | SO-8 | -40 | 125 | 5 | 2 | 0.5 | CHINA | | 5 | 2 | 0.5 | 0.4879 | CHINA | ||
| KF25BD-TR | distributors 无法联系到经销商，请联系我们的销售办事处 | 批量生产 | Industrial | EAR99 | NEC | Tape and Reel | SO-8 | -40 | 125 | 2.5 | 2 | 0.5 | CHINA | | 2.5 | 2 | 0.5 | 0.4879 | CHINA | ||
| KF25BDT-TR | distributors 无法联系到经销商，请联系我们的销售办事处 | 批量生产 | Industrial | EAR99 | NEC | Tape and Reel | DPAK | -40 | 125 | 2.5 | 2 | 0.5 | CHINA | | 2.5 | 2 | 0.5 | 0.4879 | CHINA | ||
| KF33BDT-TR | distributors 无法联系到经销商，请联系我们的销售办事处 | 批量生产 | Industrial | EAR99 | NEC | Tape and Reel | DPAK | -40 | 125 | 3.3 | 2 | 0.5 | CHINA | | 3.3 | 2 | 0.5 | 0.4879 | CHINA | ||