LM2596S-ADJ-NOPB vs LM2596S-ADJ Comparison
Detailed side-by-side comparison of LM2596S-ADJ-NOPB by Texas Instruments and LM2596S-ADJ 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/NOPB - 3A, 40V Adjustable Buck Regulator | TI
LM2596S-ADJ-NOPB ✓ ActiveTexas Instruments
LM2596S-ADJ - 3A Adjustable Step-Down Switcher | Texas Instruments
LM2596S-ADJ ✓ ActiveSpecification Comparison
| Parameter | LM2596S-ADJ-NOPB | LM2596S-ADJ |
|---|---|---|
| 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) | $1.08 | $0.82 |
| Topology | Buck (Step-Down) | Buck (Step-Down) |
| Input Voltage Range | 4.5 V to 40 V | 4.5 V to 40 V |
| Output Voltage Range | 1.2 V to 37 V (Adjustable) | 1.2 V to 37 V |
| Maximum Output Current | 3 A | 3 A |
| Switching Frequency | 150 kHz (typ) | 150 kHz (fixed, internal oscillator) |
| 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) | — |
| Operating Temperature Range | -40 C to +125 C | -40 °C to +125 °C |
| Package | TO-263-5 (D2PAK, KTT) 5 leads + tab | TO-263-6, D2PAK (5 Leads + Tab), TO-263BA |
| Mounting Type | Surface Mount | Surface Mount |
| Thermal Resistance (junction-to-case) | 2 C/W (typ, with tab soldered) | — |
| Protection Features | Current limit, thermal shutdown | — |
| RoHS Status | Compliant (NOPB suffix) | Compliant (lead-free LM2596S-ADJ/NOPB variant) |
| Lead-Free | Yes (NOPB suffix) | — |
| Output Type | — | Adjustable |
| 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) |
| MSL Level | — | 3 |