300mA 固定电压输出LDO稳压器_BD15HA3WEFJBDxxHA3WEFJ系列是可提供0.3A输出电流的稳压器。输出精度为±1%。有可使用外接电阻在1.5V～7.0V范围内任意设置输出电压的可变型以及1.5V/1.8V/2.5V/3.0V/3.3V/5V/6V/7V固定输出型两种。封装组件采用散热性优良的HTSOP-J8。可用于数字家电等广泛用途。本机型内置用于防止因输出短路等发生IC破坏的过电流保护电路、关断时使电路电流为0µA的ON/OFF开关、以及防止因过负荷状态等使IC发生热破坏的温度保护电路。另外，采用了陶瓷电容器，有助于整机的小型化和长寿化。
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| * 本产品是标准级的产品。本产品不建议使用的车载设备。 | ||||
| Grade | Standard |
| Breakdown Voltage(Max.)[V] | 10.0 |
| ch | 1 |
| Vin(Min.)[V] | 4.5 |
| Vin(Max.)[V] | 8.0 |
| Vout (Typ.) [V] | 1.5 |
| Vout Precision | ±1.0 |
| Iout(Max.)[A] | 0.3 |
| Circuit Current[mA] | 0.6 |
| Shutdown Function | Yes |
| Thermal Shut-down | Yes |
| Over Current Protection | Yes |
| Over Voltage Protection | No |
| Discharge Function | No |
| Soft Start | Yes |
| I/O Voltage Difference (Typ.)[V] | 0.6(Io=0.3A) |
| Ripple Rejection [dB] | 60.0 |
| Load Regulation[mV] | 25(Io=0 to 300mA) |
| Input Capacitor[µF] | 1.0 |
| Output Capacitor[µF] | 1.0 |
| Operating Temperature (Min.)[°C] | -25 |
| Operating Temperature (Max.)[°C] | 85 |
- ・ High accuracy reference voltage circuit
・ Built-in Over Current Protection circuit (OCP)
・ Built-in Thermal Shut Down circuit (TSD)
・ With shut down switch
| PART NUMBER | Product Name | Package | Datasheet | Distribution Inventory |
|---|---|---|---|---|
| BD00HA3WEFJ | 300mA Variable Output LDO Regulators | HTSOP-J8 | 购买 | |
| BD18HA3WEFJ | 300mA 固定电压输出LDO稳压器 | HTSOP-J8 | 购买 | |
| BD25HA3WEFJ | 300mA 固定电压输出LDO稳压器 | HTSOP-J8 | 购买 | |
| BD30HA3WEFJ | 300mA 固定电压输出LDO稳压器 | HTSOP-J8 | 购买 | |
| BD33HA3WEFJ | 300mA 固定电压输出LDO稳压器 | HTSOP-J8 | 购买 | |
| BD50HA3WEFJ | 300mA 固定电压输出LDO稳压器 | HTSOP-J8 | 购买 |
This application notes provide tables for each series so that it is easy to set the resistance value for the output voltage setting from various internal reference voltages VREF.
The definition and how to use thermal resistance and thermal characterization parameter of packages for ROHM’s integrated circuit are described in this application note.
The basic terminal configuration of a linear regulator IC consists of four parts: input, output, GND, and feedback…
A linear regulator, also referred to as a "three-terminal regulator" or "dropper," is a power supply long known to many designers owning to its simple circuitry and ease of use...
Very important information such as maximum ratings, operating conditions and characteristic graphs are described in the table.
A linear regulator integrated circuit (IC) is a DC-to-DC buck converter system that reduces a DC supply from higher voltage level to a lower voltage level...
Low drop-out (LDO) regulators developed back in the age when large-capacitance multi-layer ceramic capacitors (hereinafter, MLCCs) were uncommon cause a phase delay, leading to oscillation when connected to a low-ESR capacitor like an MLCC...
The loss in linear regulators increases as the difference between the input and output voltages increases. Since most of the loss is converted to heat, a very large amount of heat may be generated in some conditions...
When a linear regulator IC is turned ON, the electric charge is stored in the output capacitor and the output voltage increases up to the specified value.
This application note proposes a circuit using an output ceramic capacitor that allows a stable phase compensation.
This application note introduces a method for easily measuring the phase margin with a Frequency Response Analyzer (FRA) made by NF Corporation.
Provides some hints on how to connect LDOs in parallel.
For ICs