SG3525AP013TR.pdf
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The SG3525AP013TR is part of a long-established PWM controller family known for stability, ruggedness and ease of implementation. Below are its most critical engineering features.
Uses a stable internal voltage reference and error amplifier to deliver precise pulse-width modulation. Ensures tight output regulation in AC/DC and DC/DC converters.
Features push-pull totem-pole outputs capable of sourcing/sinking current to drive external MOSFETs or bipolar transistors in high-power switching stages.
Programmable soft-start reduces inrush current and prevents output overshoot during converter startup-critical for reliability in multi-rail supply systems.
Supports typical VCC input around 8 V–35 V, making it compatible with many industrial and automotive voltage environments without additional pre-regulation.
Built-in current limiting, under-voltage lockout (UVLO), and shutdown capabilities ensure stable operation under overload and fault conditions.
Packaged in a compact SO-16 footprint, ensuring layout compatibility with legacy and modern SMPS designs while simplifying assembly and thermal management.
| Supply Voltage (VCC) | 8 V – 35 V |
|---|---|
| Reference Voltage | 5.1 V ± 1% internal precision reference |
| Output Type | Totem-pole dual outputs for push-pull operation |
| Oscillator Frequency | Adjustable up to ≈ 400 kHz via external timing components |
| Soft-Start | Programmable via external capacitor |
| Control Method | Voltage-mode PWM with internal error amplifier |
| Package | SO-16 (Tape & Reel: AP013TR), RoHS compliant |
| Operating Temperature | −25 °C to +85 °C |
The SG3525AP013TR SO-16 package includes the following pins:
• INV – Inverting input of error amplifier
• NI – Non-inverting input
• CT / RT – Oscillator timing network
• SOFT-START – Ramp control
• COMP – Compensation output
• OUT A / OUT B – Dual PWM gate drive outputs
• VREF – 5.1 V reference output
• SHUTDOWN – External shutdown control
• GND / VCC – Power and ground terminals
The SG3525AP013TR is housed in a reliable SO-16 narrow body package suitable for compact PCB designs and automated manufacturing processes.
Designers should follow STMicroelectronics' recommended solder pad layout and thermal guidelines for optimal electrical and mechanical performance.
Push-pull, half-bridge and full-bridge converters for AC/DC and DC/DC systems.
Widely used in UPS systems, inverter drivers and high-power conversion stages.
Robust PWM regulation for motor drives, control units and auxiliary converters.
Used in isolated DC/DC modules powering routers, base stations and communication equipment.
Common alternative PWM controllers include:
• TI SG3525A family
• ON Semiconductor SG3525AN series
• UC3525 / UC3525A compatible devices
STMicroelectronics is a leading global semiconductor manufacturer known for robust analog, power and mixed-signal components trusted in automotive, industrial, and energy-conversion markets.
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Pricing and inventory for SG3525AP013TR fluctuate and are updated periodically (typically within 24 hours). Quotations generally remain valid for 5 days unless otherwise stated.
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We perform Pre-Shipment Inspection (PSI) on randomly selected units before shipping. If there is an issue with SG3525AP013TR, returns/replacements are accepted when:
Steps: (1) Inform us within 90 days; (2) Obtain Return Authorization (RMA) before sending items back.
Please contact us for technical documents and support related to STMicroelectronics SG3525AP013TR, including pin diagrams and datasheets. Our team will respond promptly.
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