Low

SR087SG-G - 

AC/DC Off-Line Switcher IC, 80 VAC - 285 VAC, 1 W, NSOIC-8

MICROCHIP SR087SG-G

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Tootja toote nr:
SR087SG-G
Tellimiskood:
2448518
Tehniliste andmete leht:
(EN)
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Tooteteave

:
-40°C
:
285V
:
125°C
:
8Pins
:
80V
:
-
:
-
:
NSOIC
:
1W
:
Cut Tape
:
MSL 1 - Unlimited
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Toote ülevaade

The SR087SG-G is an adjustable offline inductorless Switching Regulator designed to operate directly from a rectified AC line. The operating principle is to turn-ON a pass transistor when the rectified AC is below the output voltage and to turn it OFF when the output voltage reaches a specific level. A linear regulator supplied by VOUT provides an additional fixed 5V output. Efficiencies of around 55% may be realized for loads up to 1W in 120VAC applications with around 50% efficiencies for loads up to 800mW in 230VAC applications. A logic-level enable input allows the SR087 to be disabled - useful when it is employed as a keep-alive power supply.
  • Efficient operation without magnetic
  • No high voltage capacitors
  • Adjustable main output voltage
  • Built-in soft start
  • Additional 5V internal regulator
  • Up to 100mA combined output current
  • Single BOM for 120/230VAC
  • Less than 200mW standby power

Rakendused

Consumer Electronics, Lighting

Hoiatused

Galvanic isolation is not provided. It is the responsibility of the designer employing the SR087 to ensure adequate safeguards are in place to protect the end user from electrical shock.

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