Offline Regulators | FSQ0270RNA

700V Integrated Power Switch with 100kHz for 16W offline flyback converters

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Overview

The FSQ0170RNA, and FSQ0270RNA, consists of an integrated current mode Pulse Width Modulator (PWM) and an avalanche-rugged 700V Sense FET. It is specifically designed for high-performance off-line Switch Mode Power Supplies (SMPS) with minimal external components. The integrated PWM controller features include: a fixed-frequency generating oscillator, Under-Voltage Lockout (UVLO) protection, Leading Edge Blanking (LEB), an optimized gate turn-on/ turn-off driver, Thermal Shutdown (TSD) protection, and temperature compensated precision current sources for loop compensation and fault protection circuitry. Compared to a discrete MOSFET and controller or RCC switching converter solution, the FSQ0170RNA, and FSQ0270RNA reduces total component count, design size, and weight while increasing efficiency, productivity, and system reliability. These devices provide a basic platform that is well suited for the design of cost-effective flyback converters, as in PC auxiliary power supplies.

  • Desktop PC
  • LCD TV
  • PDP TV

  • Internal Avalanche Rugged 700V SenseFET
  • Consumes only 0.8W at 230 VAC & 0.5W Load with Burst-Mode Operation
  • Precision Fixed Operating Frequency, 100kHz
  • Internal Startup Circuit and Built-in Soft-Start
  • Pulse-by-Pulse Current Limiting and Auto-Restart Mode
  • Over-Voltage Protection (OVP), Overload Protection (OLP), Internal Thermal Shutdown Function (TSD)
  • Under-Voltage Lockout (UVLO)
  • Low Operating Current (3mA)
  • Adjustable Peak Current Limit

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FSQ0270RNA

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Pb

A

H

P

PDIP-8

626-05

NA

0

TUBE

3000

N

Current Mode

100

-

-

6

700

900

Yes

-

Yes

Yes

-

-

No

Price N/A

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Reliability Data

Die Related Summary Data

Device: FSQ0270RNA

Equivalent to wafer fab process: 64,AC

Product Technology

Product Technology

Equivalent Device-Hours

MTBF/MTTF in Hours

FITS

64,AC

2

525809712

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Re-calculate Data

Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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