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TEA2019

Features: ·DIRECT DRIVE OF THE EXTERNAL SWITCHING TRANSISTOR·POSITIVE AND NEGATIVE OUTPUT CURRENTS UP TO 0.5A ·CURRENT LIMITATION ·TRANSFORMER DEMAGNETIZATION AND POWER TRANSISTOR SATURATION SENSING·FULL OVERLOAD AND SHORT-CIRCUIT PROTECTION ·PROPORTIONAL BASE CURRENT DRIVING ·LOW STANDBY CURRENT ...

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SeekIC No. : 004517310 Detail

TEA2019: Features: ·DIRECT DRIVE OF THE EXTERNAL SWITCHING TRANSISTOR·POSITIVE AND NEGATIVE OUTPUT CURRENTS UP TO 0.5A ·CURRENT LIMITATION ·TRANSFORMER DEMAGNETIZATION AND POWER TRANSISTOR SATURATION SENSING...

TEA2019 Data Sheet

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Part Number:
TEA2019
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/12/26

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Product Details

Description



Features:

·DIRECT DRIVE OF THE EXTERNAL SWITCHING TRANSISTOR
·POSITIVE AND NEGATIVE OUTPUT CURRENTS UP TO 0.5A
·CURRENT LIMITATION
·TRANSFORMER DEMAGNETIZATION AND POWER TRANSISTOR SATURATION SENSING
·FULL OVERLOAD AND SHORT-CIRCUIT PROTECTION
·PROPORTIONAL BASE CURRENT DRIVING
·LOW STANDBY CURRENT BEFORE STARTING (1.6mA)
·SYNCHRONIZATION CAPABILITY WITH INTERNAL PLL
·THERMAL PROTECTION




Pinout

Connection Diagram


Specifications

Symbol
Parameter
Value
Unit
V+CC
V(aux)
VCC
IO (peak)
II
Tj
Toper
Tstg		 Positive Supply Voltage
Auxiliary Output Supply Voltage
Negative Supply Voltage
Peak Output Current (duty cycle < 5%)
Input Current Pins 4-5
Junction Temperature
Operating Ambient Temperature Range
Storage Temperature Range
15
15
5
±1
±5
150
20, + 70
40, + 150
V
V
A
mA
°C
°C
°C



Description

The TEA2019 is an 14-pin DIP low cost integrated circuit designed for the control of switch mode power supplies.

It has the same basic functions as the TEA2018Abut with synchronization capability by internal PLL. It is particularly suitable for applications where oscillator synchronization is required.Due to its current mode regulation, the TEA2019 facilitates design of power supplies with following features :
·High stability regulation loop.
·Automatic input voltage feed-forward in discontinuousmode fly-back.
·Automatic pulse-by-pulse current limitation.

Typical applications : Video Display Units, TV sets, typewriters, micro-computers and industrial applications. For more details, see application note AN406/0591.




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