SG2525AP

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SG2525AP

IC REG CTRLR BCK/PSH-PULL 16SOIC

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Spécifications

Package Tube
ProductStatus Active
OutputType Transistor Driver
Function Step-Down, Step-Up/Step-Down
OutputConfiguration Positive
Topology Buck, Push-Pull
NumberofOutputs 2
OutputPhases 1
Voltage-Supply(Vcc/Vdd) 8V ~ 35V
Frequency-Switching 100Hz ~ 400kHz
DutyCycle(Max) 49%
SynchronousRectifier Yes
ClockSync Yes
ControlFeatures Enable, Soft Start
OperatingTemperature -25°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 16-SOIC (0.154, 3.90mm Width)

Vue d'ensemble

Description

The SG2525AP is a pulse-width modulation (PWM) controller used primarily in power supply and motor control applications. It is a variant of the SG2525 series, designed for efficient and stable power conversion. Key features include a dual-output configuration that provides flexible control over push-pull and half-bridge converters. The device is equipped with an error amplifier, a voltage reference, and a wide range PWM oscillator to ensure precise control and regulation.
The SG2525AP offers features like programmable dead-time, soft-start capability, and adjustable frequency, enhancing system performance and protection. It operates across a wide temperature range, making it suitable for various industrial applications. The device supports a high voltage output drive, which is essential for interfacing with external power transistors.
Due to its robust design, the SG2525AP is preferred in applications requiring reliable power management, such as inverters, battery chargers, and DC-DC converters. Its design flexibility and built-in protection mechanisms make it a valuable component in developing efficient and compact electronic power solutions.

Features

The SG2525AP is a pulse-width modulation (PWM) controller integrated circuit used primarily in power supply applications. Here are some of its key features:
1. PWM Control: Provides efficient regulation of power supplies by controlling the duty cycle of the output waveform.
2. Dual Output: Offers dual alternating outputs for driving push-pull or half-bridge configurations, which enhances the versatility for various applications.
3. Voltage Reference: Incorporates a built-in 5V voltage reference, ensuring stable and precise voltage regulation.
4. Error Amplifier: Comes with an on-chip error amplifier to compare the feedback voltage with a reference voltage, maintaining the output at desired levels.
5. Oscillator: Features a built-in oscillator with programmable frequency that can be adjusted using external resistors and capacitors.
6. Soft Start Capability: Includes a soft-start feature to gradually increase the output voltage during startup, reducing stress on components and minimizing inrush current.
7. Shutdown Feature: Provides a shutdown pin for disabling the output, allowing for easy control and protection in case of faults.
8. Under-Voltage Lockout (UVLO): Ensures stable operation by disabling the outputs until the input voltage reaches a certain threshold.
These features make the SG2525AP a robust choice for designing reliable and efficient power supply circuits.

Package

The SG2525AP typically comes in a Dual In-line Package (DIP), specifically a DIP-16. This packaging is common for integrated circuits and features two parallel rows of pins (8 on each side), making it suitable for through-hole mounting on printed circuit boards.

Pinout

The SG2525AP is a pulse width modulation (PWM) controller IC used primarily for switch-mode power supplies. It typically comes in a 16-pin dual in-line package (DIP). Below is a brief overview of its pin functions:
1. Compensation - Error amplifier output for frequency compensation.
2. Voltage Feedback - Inverting input to the error amplifier, used for voltage feedback.
3. Current Sense - Non-inverting input to the current sense comparator.
4. RT (Timing Resistor) - Connects to an external resistor to set the oscillator frequency.
5. CT (Timing Capacitor) - Connects to an external capacitor to set the oscillator frequency.
6. Discharge - External capacitor discharge pin.
7. Soft Start - Soft-start capacitor connection.
8. Ground - Ground reference.
9. Output A - PWM output channel A.
10. Output B - PWM output channel B.
11. VCC - Supply voltage.
12. VC - Output stage supply voltage.
13. Reference Out - Reference voltage output.
14. Oscillator Output - Oscillator frequency output.
15. Shutdown - Shutdown control input.
16. Sync - Synchronization input.
This configuration facilitates the control of power supply circuits by offering versatile modulation capabilities.

Manufacturer

The SG2525AP is manufactured by Microsemi Corporation. Microsemi is a provider of semiconductor and system solutions. The company designs and manufactures a range of high-reliability and high-performance analog and mixed-signal integrated circuits. Microsemi serves various markets, including aerospace, defense, communications, data centers, and industrial sectors.

Application

The SG2525AP is a pulse-width modulation (PWM) control IC commonly used in power electronics. Its application areas include switch-mode power supplies (SMPS), DC-DC converters, battery chargers, and motor control systems. It provides efficient control of power delivery in these circuits, ensuring stable output and improved performance.

Equivalent

The SG2525AP is a PWM (Pulse Width Modulation) controller IC typically used in switch-mode power supplies. Equivalent products include the TL494, KA7500, and SG3525. These ICs share similar functionalities, such as dual PWM control outputs, adjustable dead-time control, and built-in voltage regulation, making them suitable replacements in many applications. Always check specific features and pin configurations to ensure compatibility with your circuit design.

Expédition

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FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

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