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Home > Products > Integrated Circuits (ICs) > Power Management (PMIC) > AC DC Converters, Offline Switches

Infineon Technologies ICE3B5065PBKSA1

Name: ICE3B5065PBKSA1
Brand: Infineon Technologies
SKU: ICE3B5065PBKSA1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: ICE3B5065PBKSA1

Manufacturer:: Infineon Technologies

Category:: AC DC Converters, Offline Switches

Package:: TO-220-6 Formed Leads

Datasheet:: ICE3B5065PBKSA1.pdf

Description:: IC OFFLINE SW FLYBACK TO220-6

Quantity:: RFQ Add To RFQ list

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Inventory:4,675

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Product details

Overview

ICE3B5065PBKSA1 from Infineon Technologies is an off-line AC/DC current-mode PWM controller with integrated 650V depletion-mode CoolMOS™ power transistor, designed for flyback SMPS in open-frame adapters and industrial power supplies. It delivers up to 220W input power at 230VAC ±15%, operates at fixed 67kHz switching frequency, features <±5% peak current limiting tolerance, and supports Active Burst Mode for <100mW standby power.

For engineers reviewing the ICE3B5065PBKSA1 datasheet, ICE3B5065PBKSA1 pinout, ICE3B5065PBKSA1 application, or ICE3B5065PBKSA1 equivalent, key selection criteria include its integrated high-voltage startup cell, adjustable blanking window for load-jump immunity, Auto Restart protection modes (overtemperature, overvoltage, open-loop), and PG-TO220-6-47 isolated-drain package with wide creepage distance.

Technical Context

The ICE3B5065PBKSA1 integrates a 650V avalanche-rugged CoolMOS™ transistor with a dedicated current-mode PWM controller featuring internal leading-edge blanking, propagation delay compensation, and precise peak-current sensing via the CS pin. Its control unit implements Active Burst Mode triggered by feedback voltage level, enabling immediate response to load transients without output blackout.

Protection is implemented through five independent Auto Restart conditions: VCC overvoltage, VCC undervoltage, overtemperature, overload/open-loop, and overcurrent-each forcing controlled shutdown and periodic restart attempts. The device uses a fixed 67kHz oscillator and supports user-defined soft-start via external capacitor on the SoftS pin.

Key Specifications

Parameter	Value and Actual Design Meaning
Switching Frequency	Fixed 67 kHz - enables predictable EMI filter design and transformer optimization for universal-input flyback converters.
Integrated MOSFET V_DS	650 V - supports direct rectified mains operation up to 265 VAC with margin for surge and line transients.
R_DS(on)	0.95 Ω @ T_j = 25°C - determines conduction loss and thermal rise in continuous conduction mode at full load.
Peak Current Limit Tolerance	<±5% - ensures consistent transformer sizing and secondary diode rating across production batches.
Standby Power	<100 mW at no load - meets stringent Energy Star and EU CoC Tier 2 requirements without auxiliary winding or external bias circuitry.
Max Duty Cycle	72% - sets practical limit on transformer turns ratio and minimum primary inductance for stable operation.
Startup Cell Voltage	Integrated 650 V startup cell - eliminates external high-voltage start-up resistor, reducing component count and board space.

Pinout & Package

ICE3B5065PBKSA1 is housed in PG-TO220-6-47 package - a 6-pin isolated-drain TO-220 variant with creepage-enhanced leadframe, suitable for reinforced insulation in Class II designs. Drain pin (Pin 1) is electrically isolated from the tab and other pins, enabling direct heatsink mounting without insulating pads.

Pin/Terminal	Circuit Role	Design Meaning
1 Drain	Depletion CoolMOS™ drain terminal	High-side switching node connected to primary winding; isolated from package tab for safe heatsinking.
3 CS	Current sense input	Connects to source resistor; senses peak primary current for cycle-by-cycle limiting and OCP triggering.
4 GND	Controller ground reference	Low-noise analog/digital ground return for internal circuits; separate from power ground path.
5 VCC	Internal supply rail input	Accepts 11–25 V DC; powers controller after startup; monitored for undervoltage lockout and overvoltage protection.
6 SoftS	Soft-start timing capacitor node	External capacitor sets ramp time for PWM duty cycle during power-up, preventing inrush current stress.
7 FB	Feedback error amplifier input	Receives optocoupler signal; controls burst mode entry/exit and regulates output voltage precision.

Key Features

Feature	Design Value
Active Burst Mode	Enables immediate load-step response with <1% output ripple at light load - eliminates audible noise and blackouts common in traditional burst modes.
Adjustable Blanking Window	Configurable via external RC network to suppress false overcurrent trips during high dv/dt load jumps - improves system reliability under dynamic loads.
Auto Restart Protection	Five independent fault responses (OVP, UVP, OTP, OCP, open-loop) - prevents latch-up and enables automatic recovery after fault clearance.
Integrated Startup Cell	650 V-rated internal high-voltage current source - removes need for external start-up resistor and associated power loss.
Precision Peak Current Limit	<±5% tolerance over temperature - allows accurate transformer design and consistent short-circuit current limiting across operating range.

Applications

USB-C PD Adapters

Industrial AC/DC Power Supplies

Use Scenario: 65 W USB-C Power Delivery adapter with universal 85–265 VAC input and regulated 20 V output.

IC Role / Device Role / Timing Role: Primary-side PWM controller and power switch in discontinuous conduction mode (DCM) flyback topology.

Use Value: Integrated 650 V CoolMOS™ and Active Burst Mode achieve <100 mW no-load consumption while maintaining fast transient response for dynamic USB-C load profiles.

Use Scenario: 100–200 W open-frame industrial power supply powering PLC I/O modules and sensors.

IC Role / Device Role / Timing Role: Main power switch and controller in ruggedized flyback converter with reinforced isolation and wide ambient temperature range.

Use Value: PG-TO220-6-47 isolated-drain package enables direct heatsink mounting with >8 mm creepage, meeting IEC 62368-1 reinforced insulation requirements.

LED Driver Power Stages

White Goods Auxiliary Supplies

Use Scenario: Constant-voltage LED driver for commercial lighting systems requiring high efficiency and low standby loss.

IC Role / Device Role / Timing Role: Primary-side controller regulating bulk DC output for downstream constant-current LED drivers.

Use Value: Fixed 67 kHz frequency and <±5% current limit tolerance ensure stable regulation across line/load variations and simplify EMI compliance testing.

Use Scenario: Auxiliary 12 V/5 V power supply inside washing machines and refrigerators with wide input voltage tolerance.

IC Role / Device Role / Timing Role: Off-line SMPS controller powering MCU, display, and motor control logic in harsh appliance environments.

Use Value: Auto Restart Mode for overtemperature and open-loop faults prevents thermal runaway during blocked fan or sensor failure conditions.

Equivalent & Alternatives

The following parts are listed as comparable options for similar off-line flyback controller applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
ICE3B5065IBKSA1	Same electrical specs but in PG-TO220-6-46 package with different pin 2 assignment (n.c. vs. drain); identical thermal performance and isolation rating.	Requires PCB layout revision due to pin 2 function and mechanical outline; same creepage distance and heatsink interface.	Select when legacy board uses PG-TO220-6-46 footprint or when n.c. pin placement simplifies routing near high-voltage nodes.
ICE3B5565PBKSA1	Lower R_DS(on) (0.79 Ω), higher 240 W input power rating at 230 VAC; otherwise identical pinout, protection, and control architecture.	Suitable for higher-power designs where thermal headroom or efficiency at full load is critical; requires re-evaluation of transformer and snubber.	Choose when upgrading existing 220 W design to 240 W or targeting <0.5% efficiency gain at 100% load with same board area.

Compared with ICE3B5065IBKSA1 and ICE3B5565PBKSA1, the ICE3B5065PBKSA1 offers optimal balance of cost, thermal performance, and board-space efficiency for 200–220 W universal-input flyback supplies using PG-TO220-6-47 layout.

Availability

ICE3B5065PBKSA1 is available at Aetrix Electronics and suitable for USB-C PD adapters, industrial AC/DC power supplies, and white goods auxiliary supplies requiring stable component supply, long-term lifecycle support, and RoHS-compliant manufacturing.

Supply support for ICE3B5065PBKSA1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Infineon Technologies AG is a German semiconductor manufacturer specializing in power management, automotive, and industrial control ICs, with global R&D and manufacturing infrastructure.

This part belongs to the CoolSET™-F3 family - engineered for high-efficiency, low-standby-power off-line SMPS in consumer, industrial, and appliance applications where integration, reliability, and safety certification are critical.

FAQ

What is the maximum continuous input power rating for ICE3B5065PBKSA1?

The ICE3B5065PBKSA1 supports up to 220 W continuous input power at 230 VAC ±15% under open-frame conditions (T_a = 50°C, T_j = 125°C, R_thCA = 2.7 K/W). This rating assumes proper heatsinking and PCB copper area per Infineon's thermal guidelines in datasheet section 5.2.

Does ICE3B5065PBKSA1 require an external startup resistor?

No. ICE3B5065PBKSA1 integrates a 650 V startup cell that draws current directly from the rectified mains via the Drain pin, eliminating the need for an external high-voltage start-up resistor and associated power loss and board space.

How does Active Burst Mode differ from conventional burst mode in this IC?

Unlike conventional burst modes that disable the controller entirely, ICE3B5065PBKSA1's Active Burst Mode keeps the control unit powered and responsive. It modulates switching bursts based on feedback voltage while maintaining real-time current sensing - enabling sub-millisecond load-step recovery and <1% output ripple.

Can ICE3B5065PBKSA1 be used in designs requiring reinforced insulation?

Yes. Its PG-TO220-6-47 package provides isolated drain functionality and >8 mm creepage distance between Drain and all other pins, satisfying reinforced insulation requirements per IEC 62368-1 for Class II applications without additional isolation barriers.

ICE3B5065PBKSA1 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: CoolMOS™, CoolSET™F3

Package/Case:: TO-220-6 Formed Leads

Packaging:: Tube

Product Status:: Obsolete

Output Isolation:: Isolated

Internal Switch(s):: Yes

Voltage - Breakdown:: 650V

Topology:: Flyback

Voltage - Start Up:: 15 V

Voltage - Supply (Vcc/Vdd):: 8.5V ~ 21V

Duty Cycle:: 72%

Frequency - Switching:: 67kHz

Power (Watts):: 220 W

Fault Protection:: Current Limiting, Open Loop, Over Load, Over Temperature, Over Voltage

Control Features:: Soft Start

Operating Temperature:: -25°C ~ 130°C (TJ)

Grade:: -

Qualification:: -

Supplier Device Package:: PG-TO220-6-47

Mounting Type:: Through Hole

ICE3B5065PBKSA1 FAQ

1.How can I place an order for ICE3B5065PBKSA1 through Aetrix?

Please submit a Request for Quotation (RFQ) for ICE3B5065PBKSA1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for ICE3B5065PBKSA1 reliable?

The price and inventory of ICE3B5065PBKSA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ICE3B5065PBKSA1 is usually 5 days.

3.What payment methods are accepted for ICE3B5065PBKSA1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ICE3B5065PBKSA1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for ICE3B5065PBKSA1?

ICE3B5065PBKSA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your ICE3B5065PBKSA1 order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for ICE3B5065PBKSA1?

For technical support, including ICE3B5065PBKSA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ICE3B5065PBKSA1 requirements.

6.How does Aetrix verify that ICE3B5065PBKSA1 is sourced from the original manufacturer or authorized distributors?

All ICE3B5065PBKSA1 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that ICE3B5065PBKSA1 meets industry standards.

7.What is the process for return or replacement of ICE3B5065PBKSA1?

All ICE3B5065PBKSA1 units undergo pre-shipment inspection (PSI). If there is an issue with ICE3B5065PBKSA1, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The ICE3B5065PBKSA1 part is unused and in its original packaging.

Return procedure for ICE3B5065PBKSA1:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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