LM2596S-ADJ vs LM2596S-ADJ-NOPB 对比
详细并排对比 LM2596S-ADJ 出自 Texas Instruments 和 LM2596S-ADJ-NOPB 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。
Texas Instruments
LM2596S-ADJ - 3A Adjustable Step-Down Switcher | Texas Instruments
LM2596S-ADJ ✓ 量产中
规格对比
| 参数 | LM2596S-ADJ | LM2596S-ADJ-NOPB |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 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 | $1.08 |
| 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 | 1.2 V to 37 V (Adjustable) |
| 最大输出电流 | 3 A | 3 A |
| 输入电压范围 | 4.5 V to 40 V | 4.5 V to 40 V |
| 开关频率 | 150 kHz (fixed, internal oscillator) | 150 kHz (typ) |
| 反馈电压 | 1.23 V (typical internal reference) | — |
| 静态电流 | 5 mA (typical, switching) | — |
| Standby Current (Shutdown) | 50 µA (typical) | — |
| 效率 | 73% to 88% (typical, depends on VIN/VOUT/load) | — |
| 工作温度范围 | -40 °C to +125 °C | -40 C to +125 C |
| 封装 | TO-263-6, D2PAK (5 Leads + Tab), TO-263BA | TO-263-5 (D2PAK, KTT) 5 leads + tab |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | 3 | — |
| RoHS 状态 | Compliant (lead-free LM2596S-ADJ/NOPB variant) | Compliant (NOPB suffix) |
| Switching Frequency Range | — | 110 kHz to 173 kHz |
| Switch Type | — | Internal NPN Darlington (non-synchronous) |
| Feedback Reference Voltage | — | 1.23 V (typ) |
| Feedback Reference Tolerance | — | [DATA_NEEDED: feedback tolerance] |
| Maximum Switch Voltage | — | 45 V |
| Supply Current (operating) | — | 5 mA (typ) |
| Shutdown Supply Current | — | 80 µA (typ) |
| ON/OFF Pin Logic | — | Active-low enable (TTL-compatible) |
| Thermal Resistance (junction-to-case) | — | 2 C/W (typ, with tab soldered) |
| Protection Features | — | Current limit, thermal shutdown |
| Lead-Free | — | Yes (NOPB suffix) |