TL431ACDBZR vs TL431BCDBZR 对比
详细并排对比 TL431ACDBZR 出自 Texas Instruments 和 TL431BCDBZR 出自 Texas Instruments。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
规格对比
| 参数 | TL431ACDBZR | TL431BCDBZR |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 分类 | Voltage Regulators | Voltage Regulators |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $0.07 | $0.04 |
| Reference Voltage (Vref) | 2.495 V typ | — |
| Reference Tolerance (at 25C) | +/-1% (A grade) | — |
| Adjustable Output Voltage Range | 2.495 V to 36 V | 2.495 V to 36 V |
| Maximum Cathode Current | 100 mA | — |
| Minimum Cathode Current for Regulation | 1 mA | 1 mA (typ) |
| Typical Output Impedance | 0.2 ohm | 0.2 Ω |
| Maximum Cathode Voltage | 36 V | 36 V |
| Reference Input Current | 2 uA typ | — |
| Device Type | Adjustable precision shunt regulator / voltage reference | — |
| Temperature Range | -40C to +85C (A grade) | — |
| 封装 | SOT-23-3 (DBZ) | SOT-23-3 (DBZ) |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | 1 | — |
| RoHS 状态 | Compliant | Compliant |
| Packaging | Tape & Reel (R suffix) | — |
| Pinning Configuration | TL431 normal pinning (TL432 differs in DBZ pinout) | — |
| Reference Voltage (VREF) | — | 2.495 V |
| Initial Reference Tolerance | — | ±0.5% (B grade, at 25°C) |
| Cathode Current Range | — | 1 mA to 100 mA |
| Dynamic Impedance (typ) | — | 0.05 Ω (1 mA to 100 mA) |
| Temperature Coefficient (typ) | — | Approximately 92 ppm/°C |
| 工作温度范围 | — | 0°C to +70°C (C grade) |
| Architecture | — | Shunt regulator with bandgap error amplifier |
| Family Grades Available | — | 0.5% (B), 1% (A), 2% (standard) |
| 生命周期状态 | — | Active |