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TEA2018A

Features: ·DIRECT DRIVE OF THE EXTERNAL SWITCHING TRANSISTOR ·POSITIVE AND NEGATIVE OUTPUT CURRENTS UP TO 0.5 A ·CURRENT LIMITATION ·TRANSFORMER DEMAGNETIZATION SENSING ·FULL OVERLOAD AND SHORT-CIRCUIT PROTECTION ·PROPORTIONAL BASE CURRENT DRIVING·LOW STANDBY CURRENT BEFORE STARTING (< 1.6 mA) ...

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SeekIC No. : 004517309 Detail

TEA2018A: Features: ·DIRECT DRIVE OF THE EXTERNAL SWITCHING TRANSISTOR ·POSITIVE AND NEGATIVE OUTPUT CURRENTS UP TO 0.5 A ·CURRENT LIMITATION ·TRANSFORMER DEMAGNETIZATION SENSING ·FULL OVERLOAD AND SHORT-CIRC...

TEA2018A Data Sheet

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Part Number:
TEA2018A
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: 2024/4/26

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Product Details

Description



Features:

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


Pinout

Connection Diagram


Specifications

Symbol
Parameter
Value
Unit
VCC+
VCC-
IO(peak)
II
Tj
Toper
Tstg		 Positive Supply Voltage
Negative Supply Voltage
Peak Output Current (duty cycle < 5%)
Input Current (Pin 3)
Junction Temperature
Operating Ambient Temperature Range
Storage Temperature Range
15
-5
±1
±5
+150
-20, +70
-40, +150
V
V
A
mA
°C
°C
°C



Description

The TEA2018Ais an 8-pin DIP low-cost integrated circuit designed for the control of switch mode power supplies.

Due to its current mode regulation, the TEA2018A facilitates design of power supplies with following features :
.High stability regulation loop
.Automatic input voltage feed-forward in discontinuous mode fly-back
.Automatic pulse-by-pulse current limitation Typical applications : VideoDisplay Units, TV sets, typewriters,microcomputersand industrialapplications

Where synchronization is required, use the TEA2019. For more details, see application note AN406/0591




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