onsemi FAN7621SJ
Obsolete
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Supply Chain
Export Control Classification Number (ECCN) CodeEAR99
Harmonized Tariff Schedule (HTS) Code8542.31.00.01
Introduction Date2009-02-18
Lifecycle StatusObsolete (Last Updated: 4 months ago)
LTB Date2013-06-10
LTD Date2013-12-10
Related Parts
onsemiKA7500CDTF
KA7500 Series 40 V 10 mA 45% Duty Cycle Surface Mount SMPS Controller - SOIC-16
onsemiFAN7621BSJX
FAN7621B Series 25 V PFM Controller for Half-Bridge Resonant Converter - SOP-16
Descriptions
Descriptions of onsemi FAN7621SJ provided by its distributors.
Switching Controller, Voltage-mode, 8.3A, 300kHz Switching Freq-Max, PDSO16
Lead Free Isolated RoHS Compliant Obsolete Converter Offline -40C~130C TJ 360mA Up to 300kHz 1.13W
Pulse Frequency Modulation Controller 16-Pin SOP-II Tube
Gate Drivers PWM Control IC for High Power FPS
IC OFF-LINE CTRLR PROG PFM 16SOP
The FAN7621 is a pulse frequency modulation controller for high-efficiency half-bridge resonant converters. Offering everything necessary to build a reliable and robust resonant converter, the FAN7621 simplifies designs and improves productivity, while improving performance. The FAN7621 includes a high-side gate-drive circuit, an accurate current controlled oscillator, frequency limit circuit, soft-start, and built-in protection functions. The high-side gate-drive circuit has a common-mode noise cancellation capability, which guarantees stable operation with excellent noise immunity. Using the zero-voltage-switching (ZVS) technique dramatically reduces the switching losses and efficiency is significantly improved. The ZVS also reduces the switching noise noticeably, which allows a small-sized Electromagnetic Interference (EMI) filter The FAN7621 can be applied to various resonant converter topologies; such as series resonant, parallel resonant, and LLC resonant converters.
Manufacturer Aliases
onsemi has several brands around the world that distributors may use as alternate names. onsemi may also be known as the following names:
- ON Semiconductor
- ONS
- ONSEMICON
- ON SEM
- ON SEMICONDUCTO
- ON SEMICONDUCTORS
- ONSEMIC
- ON Semicondu
- OSC
- ONSE
- ON SEMICOND
- ON Semiconductor / Fairchild
- SCG
- ON Semiconductor Cor
- ON SEMICO
- ONSM
- ON SEMICONDUCTOR CORP
- onsemi / Fairchild
- MOT/ON SEMI
- Fairchild/ONSemiconductor
- ON Semiconductor Corporation
- ON4
- ON Semi - ON Semiconductor
- ON SEMICONDUCT
- ON-SEMI SCG
- ON Semiconductor Inc.
- onsemiconductor
- On Semiconductor Ltd
Technical Specifications
Physical
Case/PackageSOP
MountSurface Mount
Number of Pins16
Number of Terminals16
Weight242 mg
Technical
Max Duty Cycle52 %
Max Input Voltage400 V
Max Operating Temperature130 °C
Max Output Current600 mA
Max Power Dissipation1.13 W
Max Supply Current8 mA
Max Supply Voltage25 V
Max Switching Frequency106 kHz
Min Input Voltage9.6 V
Min Operating Temperature-40 °C
Nominal Input Voltage17 V
Nominal Output Voltage24 V
Nominal Supply Current8 mA
Number of Circuits1
Operating Supply Voltage25 V
Output Current360 mA
Output Voltage24 V
TopologyPush-Pull
Dimensions
Height1.8 mm
Height - Seated (Max)2.1 mm
Length10.2 mm
Terminal Pitch1.27 mm
Width5.3 mm
Compliance
Environmental Classification
Lead FreeLead Free
Radiation HardeningNo
REACH SVHCYes
RoHSCompliant
Compliance Statements