TL432LIBQDBZR vs TL431BQDBZR 对比
详细并排对比 TL432LIBQDBZR 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 | TL432LIBQDBZR | TL431BQDBZR |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 分类 | Voltage References | 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） | $0.15 | $0.07 |
| 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 | — |
| 封装 | SOT-23-3 (DBZ) - 3-pin | SOT-23 (DBZ), 3-pin |
| 安装类型 | Surface Mount | Surface Mount |
| Pinout (SOT-23-3) | Pin1=REF, Pin2=ANODE, Pin3=CATHODE (differs from TL431 in same pkg) | — |
| MSL 等级 | [DATA_NEEDED: MSL rating] | — |
| RoHS 状态 | Compliant | Compliant |
| Automotive Grade | [DATA_NEEDED: AEC-Q100 grade qualification letter] | — |
| 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 |
| 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 |