数据最后更新
产品简介
Low output voltage noise: 7µVRMS No noise-bypass capacitor required High PSRR: 95dB at 1kHz Very low IQ: 6.5µA Input voltage range: 1.6V to 6.0V Output voltage range: 0.8V to 5.5V Output voltage tolerance: ±1.5% (max) Very low dropout: 140mV (max) at 300mA (VOUT = 3.3V) 145mV (max) at 300mA (VOUT = 3.3V, DBV) Low inrush current Smart enable pulldown Stable with 1µF minimum ceramic output capacitor Packages: 1mm × 1mm X2SON (DQN) 0.616mm × 0.616mm DSBGA (YCK) 0.612mm × 0.612mm DSBGA (YCJ) 2.9mm × 2.8mm SOT23-5 (DBV)
The TPS7A20 is an ultra-small, low-dropout (LDO) linear regulator that can source 300mA of output current. The TPS7A20 is designed to provide low noise, high PSRR, and excellent load and line transient performance that can meet the requirements of RF and other sensitive analog circuits. Using innovative design techniques, the TPS7A20 offers an ultra-low noise performance without the addition of a noise bypass capacitor. The TPS7A20 also provides the advantage of low quiescent current, which can be ideal for battery-powered applications. With an input voltage range of 1.6V to 6.0V and an output range of 0.8V to 5.5V, the TPS7A20 can be used for a wide variety of applications. The device uses a precision reference circuit to provide a maximum accuracy of 1.5% over load, line, and temperature variations. The TPS7A20 features an internal soft-start to lower the inrush current, thus minimizing the input voltage drop during start up. The device is stable with small ceramic capacitors, allowing for a small overall solution size. The TPS7A20 has a smart enable input circuit with an internally controlled pulldown resistor that keeps the LDO disabled even when the EN pin is left floating and helps eliminate the external components used to pulldown the EN pin.
功能参数
| 参数 | 数值 | 参数 | 数值 |
|---|---|---|---|
| 最低输入电压 (V) | 1.6 | 最高输入电压 (V) | 6 |
| 静态电流 (uA) | 15 | 工作电流 (mA) | 2 |
| 关机电流 (uA) | 0.2 | 启动电流 (uA) | 0.75 |
| 最低输出电压 (V) | 0.8 | 最高输出电压 (V) | 5.5 |
| 最大输出电流 (A) | 0.3 | 输出反馈基准精度 (±%) | 1.5 |
| 使能高电平阈值 (V) | 0.9 | 输出过流保护电流基准 (A) | 0.52 |
| 过温保护触发温度基准 (℃) | 165 | 电路拓扑 | 线性稳压 |
| 器件类型 | 变换器/开关 | 驱动功率器件类型 | MOSFET |
| 输出电压配置模式 | 输出电压固定 | 集成功率器件的数量 | 1 |
| 输出通道数 | 1 | 通信接口 | 无 |
| 软启动 | 内部集成软启动 | 应用级别 | 消费级 |
| 输出过压保护 | 无 | 输出过载保护 | 自动重启 |
| 输入欠压保护 | 自动重启 | 输入过压保护 | 无 |
| 输出欠压保护 | 自动重启 | 输出短路保护 | 自动重启 |
| 过温保护 | 自动重启 |
应用合规
- RoHS 状态
- 符合 ROHS3 规范
- PB Free
- 含铅
- REACH 状态
- 不受 REACH影响
- 湿气敏感性等级 (MSL)
- MSL1
- ECCN
- EAR99
订购信息
| 渠道 | SKU | 库存 | 起订 MOQ | ×1 | ×10 | ×100 | ×500 | ×1K | ×10K | 更新时间 |
|---|---|---|---|---|---|---|---|---|---|---|
| 立创商城 | 61765 | 5 | ¥1.1651 | ¥0.8978 | ¥0.6510 | — | — | — | 2026-06-09 | |
| 云汉商城 | 23159 | 5 | — | — | — | ¥0.7866 | — | — | 2026-06-09 | |
| 得捷电子 | 83828 | 1 | ¥2.9500 | ¥2.0140 | ¥1.5354 | ¥1.3454 | ¥1.2864 | — | 2026-06-08 |
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