FSBH0270ANY AC-DC Power Conversion by ON Semiconductor

700V Integrated Power Switch for 16Watt offline flyback converters, 100kHz, Brown In/Out Protection

Status: Active
Series: FSBH0270A
RoHS: Compliant
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The highly integrated FSBH-series consists of an integrated current-mode Pulse Width Modulator (PWM) and an avalanche-rugged 700V SenseFET. It is specifically designed for high-performance offline Switch Mode Power Supplies (SMPS) with minimal external components. The integrated PWM controller features include a proprietary green-mode function that provides off-time modulation to linearly decrease the switching frequency at light-load conditions to minimize standby power consumption. To avoid acoustic-noise problems, the minimum PWM frequency is set above 18kHz. This green-mode function enables the power supply to meet international power conservation requirements. The PWM controller is manufactured using the BiCMOS process to further reduce power consumption. The FSBH-series turns off some internal circuits to improve power saving when VFB is lower than 1.6V, which allows an operating current of only 2.5mA. The FSBH-series has built-in synchronized slope compensation to achieve stable peak-current-mode control. The proprietary external line compensation ensures constant output power limit over a wide AC input voltage range, from 90VAC to 264VAC. The FSBH-series provides many protection functions. In addition to cycle-by-cycle current limiting, the internal open-loop protection circuit ensures safety when an open-loop or output short occurs. PWM output is disabled until VDD drops below the VTH-OLP, then the controller starts up again. As long as VDD exceeds 28V, the internal OVP circuit is triggered. Compared with a discrete MOSFET and controller or RCC switching converter solution, the FSBH-series 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 design of cost-effective flyback converters, such as in PC auxiliary power supplies.

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Features

Brownout Protection with Hysteresis
Built-In 5ms Soft-Start Function
Internal Avalanche Rugged 700V SenseFET
No Acoustic Noise During Light-Load Operation
High-Voltage Startup
Linearly Decreasing PWM Frequency to 18KHz
Peak-Current-Mode Control
Cycle-By-Cycle Current Limiting
Leading-Edge Blanking (LEB)
Synchronized Slope Compensation
Internal Open-Loop Protection
VDD Under-Voltage Lockout (UVLO)
VDD Over-Voltage Protection (OVP)
Internal Auto-Restart Circuit (OVP, OTP)
Constant Power Limit (Full AC Input Range)
VIN Pin for Pull-HIGH Latch function and Pull-LOW Auto-Recovery Protection
Internal OTP Sensor with Hysteresis
Applications
Desktop PC
PDP TV
End Products
LCD TV

Specifications

Description FSBH0270A
Compliance Pb-free Halide free
Control Mode Current Mode
fsw Typ (kHz) 100
RDS(ON) Typ (Ω) 6
V(BR)DSS Max (V) 700
IPeak (mA) 1000
HV Start-up Min (V) Yes
UVLO Yes
Short Circuit Protection Yes
Over Power Compensation Yes
Brown-out Yes
Package Type PDIP-8

Alternative Descriptions

SWITCH, PWM, FET, 2A, 700V, 8DIP | Farnell


Frequently Asked Questions

Where can I find additional details, specifications and documents for a FSBH0270ANY?

Additional datasheets, footprints and schematics for FSBH0270ANY are listed on our Part Details page. You can also find images and similar parts to FSBH0270ANY on this page.

What pricing and inventory information can I view?

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What category does FSBH0270ANY fall under?

The FSBH0270ANY is listed under Power Management > AC-DC Power Conversion > Offline Regulators.

Can I view similar or alternative parts?

You can view similar parts to FSBH0270ANY when available in the Offline Regulators range under the specifications section at the bottom of the details page.

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Submit any questions directly to the customer support team of the distributor listing the product. For the FSBH0270ANY you can contact the distributor directly for product support, shipping queries etc.

Is the FSBH0270ANY RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by ON Semiconductor.

Which authorised distributors for FSBH0270ANY have stock available?

Authorised distributors including Farnell have stock available or on a lead time for FSBH0270ANY.

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