LM2596S-ADJ vs LM2576D-ADJRG 对比
详细并排对比 LM2596S-ADJ 出自 Texas Instruments 和 LM2576D-ADJRG 出自 HANSCHIP。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。
Texas Instruments
LM2596S-ADJ - 3A Adjustable Step-Down Switcher | Texas Instruments
LM2596S-ADJ ✓ 量产中
规格对比
| 参数 | LM2596S-ADJ | LM2576D-ADJRG |
|---|---|---|
| 品牌 | Texas Instruments | HANSCHIP |
| 分类 | DC-DC Converters | DC-DC Converters |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $0.82 | $0.11 |
| 拓扑 | Buck (Step-Down) | Buck (step-down) |
| 输出类型 | Adjustable | — |
| 输出电压范围 | 1.2 V to 37 V | — |
| 最大输出电流 | 3 A | — |
| 输入电压范围 | 4.5 V to 40 V | 8 V to 40 V |
| 开关频率 | 150 kHz (fixed, internal oscillator) | 52 kHz (typ) |
| 反馈电压 | 1.23 V (typical internal reference) | — |
| 静态电流 | 5 mA (typical, switching) | 5 mA (typ) |
| Standby Current (Shutdown) | 50 µA (typical) | — |
| 效率 | 73% to 88% (typical, depends on VIN/VOUT/load) | Up to ~88% (buck topology, application-dependent) |
| 工作温度范围 | -40 °C to +125 °C | — |
| 封装 | TO-263-6, D2PAK (5 Leads + Tab), TO-263BA | SOP-8L (TO-252-style surface-mount) |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | 3 | [DATA_NEEDED: MSL level] |
| RoHS 状态 | Compliant (lead-free LM2596S-ADJ/NOPB variant) | Compliant |
| 输出电压 | — | Adjustable 1.23 V to 37 V |
| Output Current | — | 3 A |
| 基准电压 | — | 1.23 V |
| 工作结温 | — | -40 C to +125 C |
| Switch Type | — | Internal NPN |
| 同步整流器 | — | No (external Schottky required) |
| Built-in Protection | — | Thermal shutdown, current limit, ON/OFF control |