Low

TL3843D-8 - 

PWM-Controller, 25V-12V Versorgungsspannung, 500kHz, 30V/200mAout, SOIC-8

TEXAS INSTRUMENTS TL3843D-8

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Herstellerteilenummer:
TL3843D-8
Bestellnummer:
1236521
Technisches Datenblatt:
(EN)
Technische Dokumentation anzeigen

Produktspezifikationen

:
8Pin(s)
:
SOIC
:
12V
:
0°C
:
25V
:
30V
:
500kHz
:
70°C
:
5.5V
:
-
:
200mA
:
Stückweise
:
-
:
MSL 1 - unbegrenzt
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Produktbeschreibung

The TL3843D-8 is a current-mode Pulse Width Modulation (PWM) Controller integrated provides the features that are necessary to implement off-line or DC-to-DC fixed-frequency current-mode control schemes, with a minimum number of external components. Some of the internally implemented circuits are an under voltage lockout (UVLO), featuring a start-up current of less than 1mA and a precision reference trimmed for accuracy at the error amplifier input. Other internal circuits include logic to ensure latched operation, a pulse-width modulation (PWM) comparator (that 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 when it is in the off state.
  • Optimized for off-line and DC to DC converters
  • <1mA 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
  • Error amplifier with low output resistance
  • Green product and no Sb/Br

Anwendungen

Power-Management, Industrie

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