Low Voltage Start-Up Flyback Controllers Suitable for Fixed Frequency/CCM

Block Diagram

TEA1733LT Block Diagram

TEA1733LT Block Diagram


Key Features

  • Large input voltage range (12 to 30 V)
  • High integration and small TSOP6 package
  • Enables no-load power consumption levels below 100 mW
  • 6-pin controller with high/low input voltage compensation and maximum duty cycle protection
  • Very low supply currents during start-up and normal operation

NXP GreenChip

  • This product is part of the NXP GreenChip portfolio, this program optimizes for energy efficiency in mobile and computing applications, specializing in high-power density, safety and reliability.

Part numbers include: TEA1731LTS, TEA1731TS, TEA1732CTS, TEA1732LTS, TEA1733CT, TEA1733LT, TEA1733T, TEA1738LT, TEA1738T.

Comparison Table

TEA1733 TEA1738
Improved efficiency at low load
Adjustable OVP via PROTECT
Accurate, adjustable OVP via ISENSE
Overpower time-out Adjustable Adjustable
Frequency increase at peak power
Brown-in/brown-out protection
Package SO8 SO8


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