Description 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.Features Variable Frequency Control with 50% Duty Cycle for Half-bridge Resonant Converter Topology
High Efficiency through Zero Voltage Switching (ZVS)
Fixed Dead Time (350ns)
Up to 300kHz Operating Frequency
Pulse Skipping for Frequency Limit (Programmable) at Light-Load Condition
Remote On/Off Control using CON Pin
Protection Functions: Over-Voltage Protection (OVP), Overload Protection (OLP), Over-Current Protection (OCP), Abnormal Over-Current Protection (AOCP), Internal Thermal Shutdown (TSD)
| Manufacturer | onsemi |
| Product Category | AC DC Converters, Offline Switchers |
| Series | - |
| Product | Half-Bridge Drivers |
| Type | Non-Inverting |
| Packaging | Tube |
| Unit-Weight | 0.057420 oz |
| Mounting-Style | Through Hole |
| Package-Case | 16-DIP (0.300", 7.62mm) |
| Operating-Temperature | -40°C ~ 130°C (TJ) |
| Mounting-Type | Through Hole |
| Supplier-Device-Package | 16-DIP |
| Watt | 200W |
| Output-Isolation | Isolated |
| Internal-Switch-s | No |
| Voltage-Breakdown | - |
| Topology | Half-Bridge |
| Voltage-Start-Up | 14.5V |
| Voltage-Supply-Vcc-Vdd | 11.3 V ~ 25 V |
| Duty-Cycle | 50% |
| Frequency-Switching | Up to 300kHz |
| Fault-Protection | Current Limiting, Over Load, Over Temperature, Over Voltage |
| Control-Features | Frequency Control |
| Maximum Operating Temperature | + 130 C |
| Operating-Supply-Current | 200 uA |
| Output-Current | 600 mA |
| Package-Case | DIP-16 |
| Mount | Through Hole |
| Mounting Type | Through Hole |
| Package / Case | 16-DIP (0.300, 7.62mm) |
| Number of Pins | 16 |
| Weight | 1.627826g |
| Operating Temperature | -40°C~130°C TJ |
| Packaging | Tube |
| Published | 2016 |
| JESD-609 Code | e3 |
| Pbfree Code | yes |
| Part Status | Obsolete |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Number of Terminations | 16 |
| ECCN Code | EAR99 |
| Terminal Finish | MATTE TIN |
| Power (Watts) | 200W |
| Max Power Dissipation | 1.56W |
| Terminal Position | DUAL |
| Number of Functions | 1 |
| Terminal Pitch | 2.54mm |
| Frequency | 100kHz |
| Base Part Number | FAN7621 |
| Max Output Current | 8.3A |
| Operating Supply Voltage | 17V |
| Input Voltage-Nom | 390V |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Nominal Supply Current | 200μA |
| Output Current | 600mA |
| Voltage - Supply (Vcc/Vdd) | 11.3V~25V |
| Max Supply Current | 8mA |
| Control Features | Frequency Control |
| Max Output Voltage | 24V |
| Topology | Half-Bridge |
| Min Input Voltage | 340V |
| Control Mode | VOLTAGE-MODE |
| Frequency - Switching | Up to 300kHz |
| Max Input Voltage | 400V |
| Control Technique | PULSE FREQUENCY MODULATION |
| Rise Time | 65ns |
| Fall Time (Typ) | 35 ns |
| Nominal Input Voltage | 17V |
| Switcher Configuration | PUSH-PULL |
| Internal Switch(s) | No |
| Fault Protection | Current Limiting, Over Load, Over Temperature, Over Voltage |
| Max Duty Cycle | 52 % |
| Number of Drivers | 1 |
| Duty Cycle | 50% |
| Output Isolation | Isolated |
| Voltage - Start Up | 14.5V |
| Height | 3.42mm |
| Length | 19.68mm |
| Width | 6.6mm |
| REACH SVHC | No SVHC |
| RoHS Status | RoHS Compliant |
| Lead Free | Lead Free |