DK1203 AC-DC Switch Mode Power Controlling IC DIP-8

20.00
You save

In stock

SKU: IFT00146-03 Category: Brand:

Frequently Bought Together

DK1203 AC-DC Switch Mode Power Controlling IC DIP-8 is a high-performance PWM controller designed for low-power off-line switch-mode power supplies. It integrates a PWM controller and power MOSFET into a single DIP-8 package, making it ideal for compact and efficient AC-DC conversion circuits. This IC is commonly used in battery chargers, LED drivers, adapters, and small appliances.

Key Features:
  • Highly Integrated: Combines power MOSFET and PWM controller in one DIP-8 package
  • Low Standby Power: Optimized for energy-efficient operation and minimal idle consumption
  • Cycle-by-Cycle Current Limiting: Built-in protection against overcurrent conditions
  • Internal Start-Up Circuit: Eliminates the need for external start-up resistors
  • Auto Restart Protection: Recovers automatically from fault conditions
Technical Specifications:
  • Input Voltage: 85V – 265V AC
  • Output Power: Up to 12W (typical, depending on application)
  • Switching Frequency: ~60kHz
  • Start-up Current: <10μA
  • Operating Current: ~1.5mA
  • Maximum Drain Current: 800mA
Mechanical Specifications:
  • Package Type: DIP-8 (Dual Inline Package)
  • Material: Plastic epoxy body, tin-plated leads
  • Mounting: Through-hole PCB mount
Dimensions:
  • Body Width: ~6.35mm
  • Pin Pitch: 2.54mm
  • Lead Span: ~7.62mm
Pinout and Wiring:
  • Pin 1 (VCC): Supply voltage input
  • Pin 2 (FB): Feedback input from opto-isolator
  • Pin 3 (GND): Ground
  • Pin 4 (NC): Not connected internally
  • Pin 5 (Drain): Internal MOSFET drain (connected to transformer primary)
  • Pin 6 (Drain): Same as Pin 5
  • Pin 7 (Drain): Same as Pin 5
  • Pin 8 (Drain): Same as Pin 5
Datasheet Reference:
  • Search online for “DK1203 PWM Controller IC Datasheet by DK Semiconductor”
Applications:
  • Mobile Chargers: Widely used in compact phone and device chargers
  • LED Power Supplies: Suitable for low-power LED driver circuits
  • AC-DC Converters: For powering small electronics from mains
  • Battery Chargers: Used in low-wattage charging circuits
  • Adapters: Efficient solution for small wall plug power supplies
Equivalent Models:
  • DK1201: Similar PWM control IC with different power handling
  • VIPer12A: STMicroelectronics switch-mode controller with integrated MOSFET
  • TOPSwitch-TN (TOP245): Power Integrations IC with comparable functionality
  • OB2263: Highly integrated offline PWM switch with similar applications
Package Includes:
  • 1 x DK1203 AC-DC Switch Mode Power Controlling IC DIP-8

Additional information

Weight 1 g
Average Rating

5.00

01
( 1 Review )
5 Star
100%
4 Star
0%
3 Star
0%
2 Star
0%
1 Star
0%
Add a review

1 Review For This Product

  1. 01

    by mojahid mondal

    12 vold0 chargar

error:

Main Menu

DK1203 AC-DC Switch Mode Power Controlling IC DIP-8

DK1203 AC-DC Switch Mode Power Controlling IC DIP-8

20.00
You save

Add to cart