Low

UC2843N - 

Controlador PWM, Alimentación de 25V-12V, 500kHz, 13.5V/1Aout, DIP-8

TEXAS INSTRUMENTS UC2843N

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Referencia del fabricante:
UC2843N
Código Farnell:
1470534
Hoja de datos técnicos:
(EN)
Vea todos los documentos técnicos

Información del producto

:
1A
:
-
:
13.5V
:
25V
:
-40°C
:
500kHz
:
85°C
:
12V
:
Individual
:
DIP
:
25V
:
8Pines
:
-
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Resumen del producto

The UC2843N is a current-mode Pulse Width Modulation (PWM) Controller provides the necessary features to implement off-line or DC to DC fixed frequency current-mode control schemes with a minimal external parts count. Internally implemented circuits include under-voltage lockout featuring start up current less than 1mA, a precision reference trimmed for accuracy at the error amp input, logic to insure latched operation, a PWM comparator which also provides current limit control and a totem pole output stage designed to source or sink high peak current. The output stage, suitable for driving N-channel MOSFETs, is low in the off state.
  • Low start-up current
  • Automatic feed forward compensation
  • Pulse-by-pulse current limiting
  • Enhanced load response characteristics
  • Under-voltage lockout with hysteresis
  • Double pulse suppression
  • High current totem pole output
  • Internally trimmed bandgap reference
  • Low RO Error amplifier
  • Green product and no Sb/Br

Aplicaciones

Administración de Potencia, Industrial

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