LM2596S-ADJ vs LM2596S-ADJ-NOPB Comparison
Detailed side-by-side comparison of LM2596S-ADJ by Texas Instruments and LM2596S-ADJ-NOPB by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Texas Instruments
LM2596S-ADJ - 3A Adjustable Step-Down Switcher | Texas Instruments
LM2596S-ADJ ✓ ActiveTexas Instruments
LM2596S-ADJ/NOPB - 3A, 40V Adjustable Buck Regulator | TI
LM2596S-ADJ-NOPB ✓ ActiveSpecification Comparison
| Parameter | LM2596S-ADJ | LM2596S-ADJ-NOPB |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | DC-DC Converters | DC-DC Converters |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.82 | $1.08 |
| Topology | Buck (Step-Down) | Buck (Step-Down) |
| Output Type | Adjustable | — |
| Output Voltage Range | 1.2 V to 37 V | 1.2 V to 37 V (Adjustable) |
| Maximum Output Current | 3 A | 3 A |
| Input Voltage Range | 4.5 V to 40 V | 4.5 V to 40 V |
| Switching Frequency | 150 kHz (fixed, internal oscillator) | 150 kHz (typ) |
| Feedback Voltage | 1.23 V (typical internal reference) | — |
| Quiescent Current | 5 mA (typical, switching) | — |
| Standby Current (Shutdown) | 50 µA (typical) | — |
| Efficiency | 73% to 88% (typical, depends on VIN/VOUT/load) | — |
| Operating Temperature Range | -40 °C to +125 °C | -40 C to +125 C |
| Package | TO-263-6, D2PAK (5 Leads + Tab), TO-263BA | TO-263-5 (D2PAK, KTT) 5 leads + tab |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 3 | — |
| RoHS Status | 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) |