TL431BCDBZR vs TL431BQDBZR 对比
详细并排对比 TL431BCDBZR 出自 Texas Instruments 和 TL431BQDBZR 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 | TL431BCDBZR | TL431BQDBZR |
|---|---|---|
| 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） | $0.04 | $0.07 |
| Reference Voltage (VREF) | 2.495 V | — |
| Initial Reference Tolerance | ±0.5% (B grade, at 25°C) | — |
| Adjustable Output Voltage Range | 2.495 V to 36 V | 2.495 V to 36 V |
| Maximum Cathode Voltage | 36 V | — |
| Cathode Current Range | 1 mA to 100 mA | — |
| Typical Output Impedance | 0.2 Ω | — |
| Dynamic Impedance (typ) | 0.05 Ω (1 mA to 100 mA) | — |
| Temperature Coefficient (typ) | Approximately 92 ppm/°C | — |
| Minimum Cathode Current for Regulation | 1 mA (typ) | 1 mA (typical) |
| 工作温度范围 | 0°C to +70°C (C grade) | — |
| 封装 | SOT-23-3 (DBZ) | SOT-23 (DBZ), 3-pin |
| 安装类型 | Surface Mount | Surface Mount |
| Architecture | Shunt regulator with bandgap error amplifier | — |
| RoHS 状态 | Compliant | Compliant |
| Family Grades Available | 0.5% (B), 1% (A), 2% (standard) | — |
| 生命周期状态 | Active | — |
| Reference Voltage (Vref) | — | 2.495 V |
| Reference Voltage Tolerance | — | ±0.5% (B grade, at 25 C) |
| Maximum Cathode Current | — | 100 mA |
| Device Type | — | Adjustable Precision Shunt Regulator / Shunt Voltage Reference |
| Temperature Grade | — | Q grade, -40 C to +125 C |
| Typical Output Noise | — | 0.2 uVrms (per TI adjustable precision shunt regulator datasheet) |
| Minimum Output Capacitance Stability | — | [DATA_NEEDED: stable output capacitance range] |
| Automotive Qualification | — | Yes (Q grade; TL431BQDBZRQ1 variant available) |
| 引脚数 | — | 3 |
| Packaging | — | Tape & Reel (T/R) |
| Family Alternatives (grades) | — | B = 0.5%, A = 1%, standard = 2% initial tolerance |