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Numéro de référence | TEA2018 | ||
Description | CURRENT MODE SWITCHING POWER SUPPLY CONTROL CIRCUIT | ||
Fabricant | ST Microelectronics | ||
Logo | |||
1 Page
TEA2018A
CURRENT MODE SWITCHING
POWER SUPPLY CONTROL CIRCUIT
. DIRECT DRIVE OF THE EXTERNAL
SWITCHING TRANSISTOR
. POSITIVE AND NEGATIVE OUTPUT CUR-
RENTS UP TO 0.5 A
. CURRENT LIMITATION
. TRANSFORMER DEMAGNETIZATION
SENSING
. FULL OVERLOAD AND SHORT-CIRCUIT
PROTECTION
. PROPORTIONAL BASE CURRENT DRIVING
. LOW STANDBY CURRENT BEFORE START-
ING (< 1.6 mA)
. THERMAL PROTECTION
DESCRIPTION
The TEA2018A is 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 dis-
continuous mode fly-back
. Automatic pulse-by-pulse current limitation
Typical applications : Video Display Units, TV sets,
typewriters, microcomputers and industrialapplica-
tions
Where synchronization is required, use the
TEA2019. For more details, see application
note AN406/0591
PIN CONNECTIONS
DIP8
(Plastic Package)
ORDER CODE : TEA2018A
OSCILLATOR
GROUND
COLLECTOR CURRENT SENSING
NEGATIVE SUPPLY VOLTAGE
1
2
3
4
8 ERROR AMPLIFIER NON-INVERTING INPUT
7 DEMAGNETIZATION SENSING
6 POSITIVE SUPPLY VOLTAGE
5 OUTPUT
May 1993
1/7
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Pages | Pages 7 | ||
Télécharger | [ TEA2018 ] |
No | Description détaillée | Fabricant |
TEA2014 | Video Switching Circuit for TV | Thomson Components |
TEA2014A | VIDEO SWITCH | ST Microelectronics |
TEA2015A | Vertical Sweep for Black and White and 60 Color TV Sets | Thomson |
TEA2017 | HORIZONTAL AND VERTICAL DEFLECTION MONITOR | ST Microelectronics |
US18650VTC5A | Lithium-Ion Battery | Sony |
TSPC106 | PCI Bus Bridge Memory Controller | ATMEL |
TP9380 | NPN SILICON RF POWER TRANSISTOR | Advanced Semiconductor |
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