TL431BQDBZR vs TL432LIBQDBZR 对比
详细并排对比 TL431BQDBZR 出自 Texas Instruments 和 TL432LIBQDBZR 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 | TL431BQDBZR | TL432LIBQDBZR |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 分类 | Voltage Regulators | Voltage References |
| 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 | $0.15 |
| Reference Voltage (Vref) | 2.495 V | — |
| Reference Voltage Tolerance | ±0.5% (B grade, at 25 C) | — |
| Adjustable Output Voltage Range | 2.495 V to 36 V | — |
| Maximum Cathode Current | 100 mA | — |
| Minimum Cathode Current for Regulation | 1 mA (typical) | — |
| Device Type | Adjustable Precision Shunt Regulator / Shunt Voltage Reference | — |
| Temperature Grade | Q grade, -40 C to +125 C | — |
| 封装 | SOT-23 (DBZ), 3-pin | SOT-23-3 (DBZ) - 3-pin |
| 安装类型 | Surface Mount | Surface Mount |
| 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 | — |
| RoHS 状态 | Compliant | Compliant |
| Packaging | Tape & Reel (T/R) | — |
| Family Alternatives (grades) | B = 0.5%, A = 1%, standard = 2% initial tolerance | — |
| Reference Type | — | Shunt Voltage Reference (adjustable) |
| Nominal Reference Voltage (VREF) | — | 2.495 V |
| Cathode Voltage Range | — | 2.495 V to 36 V |
| Initial Cathode Tolerance | — | ±0.5% (B grade, 25 °C) |
| Min Cathode Current (IKA min) | — | 400 nA |
| Max Cathode Current (IKA max) | — | 15 mA |
| Typical Output Impedance | — | 0.2 ohm |
| 工作温度范围 | — | -40 °C to +125 °C (automotive) |
| Reference Current (IREF) | — | Optimized low-Iref design |
| Deviation Current (Idev) | — | Optimized low-Idev design |
| Pinout (SOT-23-3) | — | Pin1=REF, Pin2=ANODE, Pin3=CATHODE (differs from TL431 in same pkg) |
| MSL 等级 | — | [DATA_NEEDED: MSL rating] |
| Automotive Grade | — | [DATA_NEEDED: AEC-Q100 grade qualification letter] |