FA5604N-D1-TE1
| Part Number | FA5604N-D1-TE1 |
|---|---|
| Manufacturer | Fuji Electric |
| Category | Integrated Circuits (ICs) > PMIC – Power Supply Controllers, Monitors |
| Description | Voltage-mode PWM switching power supply controller IC designed for forward converter topologies, with built-in frequency reduction for low standby loss and full internal protection circuits. |
| Stock Status | In Stock |
| Origin | Original Factory |
Product Overview
The FA5604N-D1-TE1 from Fuji Electric is an 8-pin SMD voltage-mode PWM controller for medium-power forward converters. It supports frequency tuning through an external RT pin and adopts light-load auto frequency foldback to lower standby power loss. Equipped with a built-in totem-pole gate driver, it can directly drive external power MOSFETs. Full internal protections are integrated: cycle-by-cycle primary OCP, overload frequency reduction, latching OVP and UVLO. Supplied in SOP-8 TE1 tape-and-reel for automatic SMT mounting, it cuts BOM cost and PCB size, ideal for compact high-efficiency industrial & consumer AC-DC adapters with stringent standby power standards.
Core Advantages
Light-Load Frequency Reduction Design
Automatically lowers internal switching frequency under light and no-load conditions to minimize switching losses and meet low standby power regulatory standards for adapters and industrial power rails.
Direct MOSFET Totem-Pole Gate Driver
Built-in high-current push-pull output stage delivers peak sourcing +1.0A / sinking -0.5A drive capability to directly power external N-channel power MOSFETs without extra buffer circuits.
Full Suite of On-Chip Fault Protection
Integrated undervoltage lockout (UVLO), primary-side overcurrent protection (OCP), overload frequency droop and latching output overvoltage protection (OVP) safeguard power stage components against transient surge and short-circuit damage.
Minimal External Component Count
Consolidates PWM control, feedback compensation, gate drive and protection logic within single SOP-8 package, simplifying PCB layout and reducing total bill-of-materials cost for compact power supply hardware.
Key Specifications
| Brand | Fuji Electric |
|---|---|
| RoHS Status | RoHS Compliant / Lead-Free / Green Molding Compound Standard |
| EDA/CAD Model | 3D STEP Models, Schematic Symbols, and PCB Layout Footprints available upon request |
| Warranty | 1-Year Standard Quality Warranty |
| Package / Case | SOP-8 / 8-Pin Small Outline Package Surface-Mount Format |
| Mounting Type | Surface Mount Technology (SMD/SMT) |
| Surface Marking / Silkscreen | 5604 Marking |
| Control Topology Type | Voltage-Mode PWM Controller for Forward Converters (Max Duty Cycle 46%) |
| Supply Voltage Range ($V_{CC}$) | 10 V to 30 V auxiliary power input; UVLO turn-on 17.5 V, turn-off 9.7 V |
| Max Absolute VCC Rating | 35 V (Absolute Maximum Rating, transient only) |
| Quiescent Operating Current (ICC) | Typical 3.2mA, Maximum 30mA operating supply current |
| Output Driver Peak Current | IOL +1.0A (sourcing), IOH -0.5A (sinking) totem-pole gate drive for direct MOSFET driving |
| Switching Frequency Range | 100kHz ~ 300kHz, fully programmable via external RT timing resistor |
| Light-Load Minimum Foldback Frequency | Fixed 20kHz minimum switching frequency under no-load / light standby mode |
| Error Amplifier Bandwidth | 4MHz internal error amplifier bandwidth for fast loop response |
| Recommended Max Design Power | Up to 150W for standard forward converter AC-DC power supply designs |
| Standby Power Optimization | Automatic switching frequency reduction at light loads to suppress idle power loss |
| Built-in Guard Safeguards | Overvoltage Latch Protection (OVP), Under Voltage Lock Out (UVLO), Primary-Side Cycle-by-Cycle Overcurrent Protection (OCP), Overload Frequency Foldback |
| Packaging Presentation | Tape and Reel (TE1 designation denotes Fuji standard automated carrier tape packaging) |
| Operating Temperature Range | -40°C to +125°C / Industrial Grade Environmental Envelope |
Typical Applications
- Medium-power Forward Topology Switched-Mode Power Supplies for Industrial Instrumentation
- AC-DC Power Adapters and Desktop Power Units for Office Automation Equipment
- Low-Standby Power Auxiliary Power Rails for Flat Panel Displays and Consumer Electronics
- Industrial Distributed Power Supplies, Test & Measurement Equipment Power Modules
- Commercial electronic equipment requiring compact PWM control and low no-load power consumption
Order & Shipping Info
| Minimum Order Quantity (MOQ) | 1 Piece |
|---|---|
| Shipping Time | Shipped within 1-2 business days |
| Delivery Time | 3-7 working days worldwide |
| Shipping Methods | DHL, UPS, FedEx, EMS |
| Payment Methods | T/T (Bank Transfer), PayPal, Credit Card, Western Union |
Technical Support
For datasheet, sample requests, stock check, or bulk pricing, please use the Quick Inquiry form. We will reply within 24 hours.
Frequently Asked Questions
Q1: Is your currently available stock of the FA5604N-D1-TE1 controller 100% genuine and original?
A: Yes, we guarantee that all FA5604N-D1-TE1 devices in our inventory are 100% brand-new, factory-original products directly from Fuji Electric. Every batch undergoes strict incoming verification checkouts and is shipped in original ESD-compliant tape-and-reel arrays inside vacuum-sealed bags.
Q2: What is the advantage of automatic frequency reduction function integrated inside FA5604N?
A: The IC automatically reduces internal switching frequency when operating under light or no-load conditions. This greatly cuts switching-related power loss during standby mode, helping end equipment meet global low standby power efficiency regulations without adding extra discrete control circuits.
Q3: What does the “TE1” suffix represent in the product code designation?
A: The “TE1” suffix specifies the standard tape-and-reel component packaging standard of Fuji Electric. This configuration keeps the surface-mount SOP-8 packages neatly oriented inside pocket tape loops, facilitating immediate deployment on high-speed automatic pick-and-place manufacturing systems.
Q4: How can our technical division request official product datasheets, application design notes, or request high-volume price quotes?
A: Please complete the Quick Inquiry web form available on this product profile page. Our application engineering team will process your project constraints and respond with appropriate design assets and corporate commercial quotes within 24 hours.
