High Performance 800 V Off-line Switcher with HV Startup and SenseFET

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Overview

The FSL5x8A/H is an integrated peak-current-mode controlled pulse width modulation (PWM) power switch, specifically designed for off-line switch-mode power supplies. The PWM controller includes an advanced soft-start, frequency hopping, optimized gate driver, internal transconductance amplifier, temperature-compensated precise current source for loop compensation and enhanced self-protections circuitry as well. Compared with a discrete MOSFET and PWM controller solution, the FSL5x8A/H allows to reduce total cost, component count, size, and weight, while simultaneously increase efficiency, productivity, and system reliability. This device provides a basic platform for cost-effective design of both isolated and non-isolated Flyback converters.

  • Auxiliary & Stand-by Power Supply
  • Major Home Appliances power supplies
  • Low to medium Power Chargers & Adapters
  • White Goods (Air-con, Fridges, Washing machines, ....)
  • E-Meters
  • Industrial equipments
  • Consumer Equipment Power Supply
  • Rugged 800V FET with 3.8 Ω Typ.RDS(on) with Built-in HV current source for start up
  • Fine-tunable Skip Mode Operation
  • Integrated Line Compensation
  • Line Brown-in, Brown-out Function
  • Line Over-voltage Protection (LOVP)
  • Fsw options: 100 & 130 kHz
  • Seamless implementation of isolated and non-isolated topologies
  • Peak Current: FSL538A = 860mA and FSL538H = 660 mA

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Status

CAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Control Mode

fsw Typ (kHz)

fJitter Typ (%)

Stand-by Mode

RDS(ON) Typ (Ω)

V(BR)DSS Max (V)

IPeak (mA)

HV Start-up Min (V)

DSS (mA)

UVLO

Short Circuit Protection

Over Power Compensation

Brown-out

Latch

Pricing ($/Unit)

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FSL538APG

Active

Pb

A

H

P

PDIP-7

NA

0

TUBE

3000

Y

Current Mode

100

Yes

Yes

3.8

800

860

Yes

4

8

Yes

Yes

Yes

No

$0.6095

More Details

FSL538HPG

Active

Pb

A

H

P

PDIP-7

NA

0

TUBE

3000

Y

Current Mode

130

Yes

Yes

3.8

800

660

Yes

4

8

Yes

Yes

Yes

No

$0.6095

More Details

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