ProductsPower ManagementLM2596SX-5.0/NOPB
PACKAGE REFERENCETO-263-5Confirm case, pinout and ordering suffix before purchase.
MANUFACTURER PART RECORD

LM2596SX-5.0/NOPB

Texas Instruments

Fixed 5 V 3 A buck regulator in TO-263, tape-and-reel packaging.

Power ManagementStep-down regulatorTO-263-5
MPN
LM2596SX-5.0/NOPB
Manufacturer
Texas Instruments
Family
Step-down regulator
Package
TO-263-5
Manufacturer channel coverage
Checked by RFQ
Data last checked
Commercial check required
Lifecycle
Active
PROCUREMENT DATA

Identity and sourcing requirements.

Manufacturer part number
LM2596SX-5.0/NOPB
Manufacturer
Texas Instruments
Product family
Step-down regulator
Category
Power Management
Package reference
TO-263-5
Manufacturer-channel report
Confirmed on request
Sourceics price status
Quoted for required quantity
Sourceics sourcing status
Supplier and stock verified during RFQ
Required order checks
Suffix, package, date code, lot, source and traceability
MANUFACTURER DATA REVIEW

Key technical specifications

Ordering-code highlights reviewed against official manufacturer documentation.

Topology
Step-down buck regulator
Input voltage
4.5 V to 40 V
Maximum output current
3 A
Switching frequency
150 kHz
Version
Fixed 5 V output
Package
TO-263-5
Source: Texas Instruments product data · Reviewed 2026-09-29
ORDER-CODE COMPARISON

Same series, different order codes.

LM2596 is available in the following manufacturer order codes. They share the same Step-down regulator design; the table highlights package, packing and ordering differences. Quote the exact code your BOM needs.

Order codePackagePackingKey difference
LM2596S-12/NOPBTO-263-5TubeFixed 12 V output
LM2596S-3.3/NOPBTO-263-5TubeFixed 3.3 V output
LM2596S-ADJ/NOPBTO-263-5TubeAdjustable output
LM2596SX-5.0/NOPBTO-263-5Large tape and reelFixed 5 V output, reel
QUOTE WORKFLOW

Four checks before a commercial offer.

01

Identity

Exact MPN, manufacturer and suffix

02

Supply

Supplier type, quantity and freshness

03

Evidence

Lot, labels, photos and documents

04

Terms

Price, lead time, payment and shipping

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