SG2525AP
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STMicroelectronics SG2525AP

Manufacturer No:
SG2525AP
Manufacturer:
STMicroelectronics
Package:
Tube
Description:
IC REG CTRLR BCK/PSH-PULL 16SOIC
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Product Introduction

Overview

The SG2525AP, produced by STMicroelectronics, is a pulse width modulator (PWM) integrated circuit designed to enhance performance and reduce the external parts count in switching power supply designs. This device features an on-chip +5.1 V reference voltage trimmed to ±1%, an error amplifier with a common-mode range that includes the reference voltage, and a sync input to the oscillator for synchronization with external system clocks. The SG2525AP also includes built-in soft-start circuitry, pulse-by-pulse shutdown, and an undervoltage lockout with hysteresis for jitter-free operation.

Key Specifications

Parameter Value Unit
Supply Voltage (Vi) 8 to 35 V
Collector Supply Voltage (VC) 4.5 to 35 V
Oscillator Frequency Range 100 Hz to 500 KHz
Reference Output Voltage (VREF) 5.05 to 5.15 V
Output Current (Source/Sink) Up to 200 mA mA
Total Power Dissipation at Tamb = 70 °C 1000 mW
Junction Temperature Range -55 to 150 °C
Operating Ambient Temperature -25 to 85 °C
Package SO-16
RoHS Compliance Grade Ecopack2

Key Features

  • Dual source/sink output drivers capable of sourcing or sinking in excess of 200 mA.
  • Latching PWM to prevent multiple pulses.
  • Pulse-by-pulse shutdown.
  • Internal soft-start circuitry with only an external timing capacitor required.
  • 8 to 35 V operation range.
  • 100 Hz to 500 KHz oscillator range.
  • 5.1 V reference voltage trimmed to ±1%.
  • Adjustable deadtime control.
  • Input undervoltage lockout with hysteresis.
  • Separate oscillator sync terminal.

Applications

The SG2525AP is suitable for designing all types of switching power supplies, including but not limited to:

  • DC-DC converters.
  • Power supplies for electronic devices.
  • Motor control systems.
  • High-frequency switching applications.

Q & A

  1. What is the operating voltage range of the SG2525AP?

    The SG2525AP operates within a voltage range of 8 to 35 V.

  2. What is the oscillator frequency range of the SG2525AP?

    The oscillator frequency range is from 100 Hz to 500 KHz.

  3. What is the reference output voltage of the SG2525AP?

    The reference output voltage is 5.1 V, trimmed to ±1%.

  4. Does the SG2525AP have built-in soft-start circuitry?
  5. What is the maximum output current of the SG2525AP?

    The output stages can source or sink in excess of 200 mA.

  6. What is the purpose of the undervoltage lockout in the SG2525AP?

    The undervoltage lockout keeps the outputs off and the soft-start capacitor discharged for sub-normal input voltages, ensuring jitter-free operation.

  7. Can the SG2525AP be synchronized with an external system clock?
  8. What is the package type of the SG2525AP?

    The SG2525AP is available in an SO-16 package.

  9. Is the SG2525AP RoHS compliant?
  10. What is the junction temperature range of the SG2525AP?

    The junction temperature range is -55 to 150 °C.

Product Attributes

Output Type:Transistor Driver
Function:Step-Down, Step-Up/Step-Down
Output Configuration:Positive
Topology:Buck, Push-Pull
Number of Outputs:2
Output Phases:1
Voltage - Supply (Vcc/Vdd):8V ~ 35V
Frequency - Switching:100Hz ~ 400kHz
Duty Cycle (Max):49%
Synchronous Rectifier:Yes
Clock Sync:Yes
Serial Interfaces:- 
Control Features:Enable, Soft Start
Operating Temperature:-25°C ~ 85°C (TA)
Mounting Type:Surface Mount
Package / Case:16-SOIC (0.154", 3.90mm Width)
Supplier Device Package:16-SO
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Similar Products

Part Number SG2525AP SG3525AP SG2525AN
Manufacturer STMicroelectronics STMicroelectronics Microchip Technology
Product Status Active Active Discontinued at Digi-Key
Output Type Transistor Driver Transistor Driver Transistor Driver
Function Step-Down, Step-Up/Step-Down Step-Down, Step-Up/Step-Down Step-Up/Step-Down
Output Configuration Positive Positive Positive
Topology Buck, Push-Pull Buck, Push-Pull Push-Pull
Number of Outputs 2 2 2
Output Phases 1 1 1
Voltage - Supply (Vcc/Vdd) 8V ~ 35V 8V ~ 35V 8V ~ 35V
Frequency - Switching 100Hz ~ 400kHz 100Hz ~ 400kHz 100Hz ~ 350kHz
Duty Cycle (Max) 49% 49% 49%
Synchronous Rectifier Yes Yes Yes
Clock Sync Yes Yes Yes
Serial Interfaces - - -
Control Features Enable, Soft Start Enable, Soft Start Enable, Soft Start
Operating Temperature -25°C ~ 85°C (TA) 0°C ~ 70°C (TA) -25°C ~ 85°C (TA)
Mounting Type Surface Mount Surface Mount Through Hole
Package / Case 16-SOIC (0.154", 3.90mm Width) 16-SOIC (0.154", 3.90mm Width) 16-DIP (0.300", 7.62mm)
Supplier Device Package 16-SO 16-SO 16-PDIP

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