LM2577S-ADJ/NOPB
IC REG MULT CONFG ADJ 3A TO263
Pmic Voltage Regulators Dc Dc Switching Regulators
TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
SIMPLE SWITCHER®
Active
$9.69 / unit (market reference)
MOQ: 1 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Texas Instruments |
| Model | LM2577S-ADJ/NOPB |
| Package / Case | TO-263-6, D²Pak (5 Leads + Tab), TO-263BA |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Topology | Boost, Flyback, Forward Converter |
| Voltage - Input (Min) | 3.5V |
| Voltage - Input (Max) | 40V |
| Voltage - Output | 1.23V |
| Current - Output | 3A (Switch) |
| Frequency - Switching | 52kHz |
| Number of Outputs | 1 |
| Supplier Device Package | DDPAK/TO-263-5 |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
LM2577S-ADJ/NOPB by Texas Instruments is a Boost, Flyback, Forward Converter IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 40V, output 1.23V. The TO-263-6, D²Pak (5 Leads + Tab), TO-263BA package with surface mount mounting is standard for compact designs. Pay attention to input/output capacitor selection and PCB layout — switching regulators are sensitive to trace inductance.
📖 Technical Guides for LM2577S-ADJ/NOPB
ESP32 vs STM32: Which MCU is Right for Your Project?
Components Guide
Chinese MCU Alternatives: GD32, AT32, APM32 & More — 40-80% Cost Savings vs ST/NXP/Microchip
Components Guide
Op-Amp Selection Guide: 8 Most Popular Types and When to Use Each
Components Guide
LM358 Alternatives & Replacements: Complete Pin-to-Pin Guide
Components Guide
Alternatives & Replacements
View All →LM2575D2T-ADJR4G
IC REG BUCK ADJ 1A D2PAK-5
LM2576D2TR4-3.3G
IC REG MULTI CONFG 3.3V D2PAK-5
UC2577TDTR-ADJ
IC REG MULT CONFG ADJ 3A TO263
LM2595SX-ADJ
SWITCHING REG, VOLTAGE-MODE, 2.6
LM2575D2T-ADJG
IC REG BUCK ADJ 1A D2PAK-5
TL3577-ADJIKTTR
IC REG MULT CONFG ADJ 3A TO263
All Technical Specifications
| Function | Step-Up, Step-Up/Step-Down |
| Topology | Boost, Flyback, Forward Converter |
| Output Type | Adjustable |
| Current - Output | 3A (Switch) |
| Number of Outputs | 1 |
| Output Configuration | Positive or Negative |
| Frequency - Switching | 52kHz |
| Synchronous Rectifier | No |
| Voltage - Input (Max) | 40V |
| Voltage - Input (Min) | 3.5V |
| Voltage - Output (Max) | 60V (Switch) |
| Voltage - Output (Min/Fixed) | 1.23V |
Request a Quote
Submit your quantity and details — we will reply within 24 hours.