MC33025DWR2
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onsemi MC33025DWR2

Manufacturer No:
MC33025DWR2
Manufacturer:
onsemi
Package:
Tape & Reel (TR)
Description:
IC OFFLINE SW HALF-BRDG 16SOIC
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The MC33025DWR2 is a high-speed, double-ended Pulse Width Modulation (PWM) controller produced by onsemi. This integrated circuit is specifically designed for offline and DC-to-DC converter applications, offering a cost-effective solution with minimal external components. It features an oscillator, a temperature-compensated reference, a wide bandwidth error amplifier, a high-speed current sensing comparator, and dual high-current totem pole outputs ideal for driving power MOSFETs. The device includes protective features such as input and reference undervoltage lockouts, cycle-by-cycle current limiting, and a latch for single pulse metering.

Key Specifications

Specification Value
Manufacturer onsemi
Package 16-SOIC (0.295", 7.50mm Width)
Mounting Type Surface Mount
Operating Temperature -40°C ~ 105°C (TA)
Output Isolation Isolated
Topology Half-Bridge
Voltage - Supply (Vcc/Vdd) 8.4V ~ 30V
Voltage - Start Up 9.2V
Frequency - Switching 1MHz
Duty Cycle 45%
Fault Protection Current Limiting
Internal Switch(s) No
Control Features Frequency Control, Soft Start

Key Features

  • High-speed, fixed frequency operation
  • Double-ended PWM controller
  • Temperature-compensated reference
  • Wide bandwidth error amplifier
  • High-speed current sensing comparator
  • Dual high-current totem pole outputs for driving power MOSFETs
  • Protective features: input and reference undervoltage lockouts, cycle-by-cycle current limiting, and a latch for single pulse metering
  • Flexibility for either current mode or voltage mode control
  • 50 ns propagation delay to outputs

Applications

  • Offline and DC-to-DC converter applications
  • High-frequency power supply systems
  • Switch-mode power supplies
  • Power MOSFET drivers

Q & A

  1. What is the operating temperature range of the MC33025DWR2?

    The operating temperature range is -40°C to 105°C (TA).

  2. What is the package type of the MC33025DWR2?

    The package type is 16-SOIC (0.295", 7.50mm Width).

  3. What is the switching frequency of the MC33025DWR2?

    The switching frequency is 1MHz.

  4. Does the MC33025DWR2 have internal switches?

    No, it does not have internal switches.

  5. What are the control features of the MC33025DWR2?

    The control features include frequency control and soft start.

  6. What is the duty cycle of the MC33025DWR2?

    The duty cycle is 45%.

  7. What type of fault protection does the MC33025DWR2 have?

    The fault protection includes current limiting.

  8. Is the MC33025DWR2 RoHS compliant?

    No, it contains lead and is RoHS non-compliant.

  9. What is the start-up voltage for the MC33025DWR2?

    The start-up voltage is 9.2V.

  10. What are the typical applications of the MC33025DWR2?

    Typical applications include offline and DC-to-DC converter applications, high-frequency power supply systems, and switch-mode power supplies.

Product Attributes

Output Isolation:Isolated
Internal Switch(s):No
Voltage - Breakdown:- 
Topology:Half-Bridge
Voltage - Start Up:9.2 V
Voltage - Supply (Vcc/Vdd):8.4V ~ 30V
Duty Cycle:45%
Frequency - Switching:1MHz
Power (Watts):- 
Fault Protection:Current Limiting
Control Features:Frequency Control, Soft Start
Operating Temperature:-40°C ~ 105°C (TA)
Package / Case:16-SOIC (0.295", 7.50mm Width)
Supplier Device Package:16-SOIC
Mounting Type:Surface Mount
0 Remaining View Similar

In Stock

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Similar Products

Part Number MC33025DWR2 MC34025DWR2 MC33025DWR2G MC33023DWR2
Manufacturer onsemi onsemi onsemi onsemi
Product Status Obsolete Obsolete Obsolete Obsolete
Output Isolation Isolated Isolated Isolated Isolated
Internal Switch(s) No No No No
Voltage - Breakdown - - - -
Topology Half-Bridge Half-Bridge Half-Bridge Forward
Voltage - Start Up 9.2 V 9.2 V 9.2 V 9.2 V
Voltage - Supply (Vcc/Vdd) 8.4V ~ 30V 8.4V ~ 30V 8.4V ~ 30V 8.4V ~ 30V
Duty Cycle 45% 45% 45% 90%
Frequency - Switching 1MHz 1MHz 1MHz 1MHz
Power (Watts) - - - -
Fault Protection Current Limiting Current Limiting Current Limiting Current Limiting
Control Features Frequency Control, Soft Start Frequency Control, Soft Start Frequency Control, Soft Start Frequency Control, Soft Start
Operating Temperature -40°C ~ 105°C (TA) 0°C ~ 70°C (TA) -40°C ~ 105°C (TA) -40°C ~ 105°C (TA)
Package / Case 16-SOIC (0.295", 7.50mm Width) 16-SOIC (0.295", 7.50mm Width) 16-SOIC (0.295", 7.50mm Width) 16-SOIC (0.295", 7.50mm Width)
Supplier Device Package 16-SOIC 16-SOIC 16-SOIC 16-SOIC
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount

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