ChongMing Group (HK) Int'l Co., Ltd
CHONGMING GROUP (HK) INT'L CO., LTD.
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LM2596SX-ADJ Power Regulator IC Switching Voltage Regulators NRND, alternate is LM2596SX-ADJ/NOPB
1 Features
Adjustable Version Output Voltage Range: 1.2-V to 37-V ± 4% Maximum Over Line and Load Conditions
Available in TO-220 and TO-263 Packages
3-A Output Load Current
Input Voltage Range Up to 40 V
Requires Only 4 External Components
Excellent Line and Load Regulation Specifications
150-kHz Fixed-Frequency Internal Oscillator
TTL Shutdown Capability
Low Power Standby Mode, IQ, Typically 80 μA
High Efficiency
Uses Readily Available Standard Inductors
Thermal Shutdown and Current-Limit Protection
2 Applications
Simple High-Efficiency Step-Down (Buck) Regulator
On-Card Switching Regulators
Positive to Negative Converter
3 Description
The LM2596 series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving a 3-A load with excellent line and load regulation. These devices are available in fixed output voltages of 3.3 V, 5 V, 12 V, and an adjustable output version.
Requiring a minimum number of external components, these regulators are simple to use and include internal frequency compensation, and a fixed- frequency oscillator.
The LM2596 series operates at a switching frequency of 150 kHz, thus allowing smaller sized filter components than what would be required with lower frequency switching regulators. Available in a standard 7-pin TO-220 package with several different lead bend options, and a 7-pin TO-263 surface mount package.
Device Information
|
PART NUMBER |
PACKAGE |
BODY SIZE (NOM) |
|
LM2596 |
TO-220 (7) |
14.986 mm × 10.16 mm |
|
TO-263 (7) |
10.10 mm × 8.89 mm |