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

Infineon Technologies ICE3A3065PBKSA1

Name: ICE3A3065PBKSA1
Brand: Infineon Technologies
SKU: ICE3A3065PBKSA1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: ICE3A3065PBKSA1

Manufacturer:: Infineon Technologies

Category:: AC DC Converters, Offline Switches

Package:: TO-220-6 Formed Leads

Datasheet:: ICE3A3065PBKSA1.pdf

Description:: IC OFFLINE SW FLYBACK TO220-6

Quantity:: RFQ Add To RFQ list

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Product details

Overview

ICE3A3065PBKSA1 from Infineon Technologies is an off-line AC/DC current-mode PWM controller with integrated 650V depletion-mode CoolMOS™ power transistor and startup cell, housed in PG-TO220-6-47 package. It delivers 128W input power at 230VAC ±15%, operates at fixed 100kHz switching frequency, features <±5% peak current limit tolerance, and supports Active Burst Mode for <100mW standby power in SMPS designs for consumer adapters and industrial power supplies.

For engineers reviewing the ICE3A3065PBKSA1 datasheet, ICE3A3065PBKSA1 pinout, ICE3A3065PBKSA1 application, or ICE3A3065PBKSA1 equivalent, key selection criteria include its integrated high-voltage switch, adjustable blanking window for load-jump immunity, Auto Restart protection modes (overtemperature, overvoltage, open-loop), soft driving for low EMI, and isolated drain package enabling simplified heatsinking in compact offline converters.

Technical Context

The ICE3A3065PBKSA1 implements a current-mode control architecture with internal oscillator set to 100kHz, precise leading-edge blanking, and propagation delay compensation to ensure stable peak-current sensing under fast transients. Its integrated 650V CoolMOS™ enables direct connection to universal AC input (85–265VAC) without external HV startup resistors.

Control logic includes dedicated SoftS pin for user-defined soft-start, FB pin for optocoupler-based voltage regulation, and CS pin referenced to source of the integrated MOSFET-enabling accurate primary-side current sensing. The device enters Active Burst Mode below light-load thresholds, maintaining immediate response to load jumps without output blackout.

Key Specifications

Parameter	Value and Actual Design Meaning
Switching Frequency	Fixed 100 kHz - ensures predictable EMI profile and simplifies filter design for Class B conducted emissions compliance.
R_DS(on)	2.10 Ω @ T_j = 25°C - enables 128W continuous input power at 230VAC with minimal conduction loss in TO220 package.
Peak Current Limit Tolerance	<±5% - allows precise transformer sizing and secondary diode selection, reducing BOM cost and thermal margin uncertainty.
Standby Power	<100 mW at no load - meets stringent Energy Star and EU CoC Tier 2 requirements without auxiliary winding or external circuitry.
Max Duty Cycle	72% - provides sufficient on-time headroom for wide-input-range operation while maintaining safe transformer reset.
V_DS Rating	650 V - supports universal AC input (85–265 VAC) with margin for line surges and reflected flyback spikes.
Startup Cell	Integrated 650V depletion-mode startup cell - eliminates external HV resistor network, improving reliability and reducing board space.

Pinout & Package

ICE3A3065PBKSA1 uses the PG-TO220-6-47 package: isolated drain tab (pin 1), electrically separated from internal controller ground; 6-pin through-hole mounting with pins 1–7 (pin 2 omitted) arranged front-view as Drain–(gap)–CS–GND–VCC–SoftS–FB.

Pin/Terminal	Circuit Role	Design Meaning
Pin 1 (Drain)	High-voltage drain of integrated CoolMOS™	Directly connects to primary winding of flyback transformer; requires creepage-aware PCB layout and isolated heatsinking.
Pin 3 (CS)	Current sense input referenced to CoolMOS™ source	Accepts voltage drop across external sense resistor; enables cycle-by-cycle peak current limiting with built-in blanking.
Pin 4 (GND)	Controller ground reference	Separate from power ground; must be routed with low-inductance path to minimize noise coupling into sensitive analog blocks.
Pin 5 (VCC)	Internal controller supply input	Powered by auxiliary winding after startup; internal UVLO (12.5V turn-on / 7.5V turn-off) prevents erratic operation during brownout.
Pin 6 (SoftS)	Soft-start timing capacitor connection	External capacitor sets ramp time for duty cycle; prevents inrush current and transformer saturation during power-up.
Pin 7 (FB)	Optocoupler feedback input	Regulates output voltage via error amplifier; sink current up to 1.5 mA enables standard TL431 + PC817 configurations.

Key Features

Feature	Design Value
Active Burst Mode	Enables immediate load-step response without output dropout, while maintaining <1% output ripple and <100mW no-load consumption.
Adjustable Blanking Window	Configurable via external RC on SoftS pin to suppress false triggering during high dv/dt load transients, increasing system robustness.
Auto Restart Protection	Single-pin fault recovery for overtemperature, VCC overvoltage, open-loop, overload, and undervoltage - avoids latch-off and simplifies safety certification.
Integrated Startup Cell	650V depletion CoolMOS™ eliminates 1–2 MΩ HV startup resistors, reducing heat generation and improving long-term reliability.
Soft Driving	Controlled gate drive slew rate minimizes EMI generation during switching transitions, easing EMC filter design and layout.

Applications

USB-C PD Adapters

Industrial AC/DC Power Supplies

Use Scenario: 65W USB-C Power Delivery adapter operating from 90–264VAC input with tight hold-up time and low no-load consumption.

IC Role / Device Role / Timing Role: Primary-side PWM controller and high-voltage switch in quasi-resonant flyback topology; regulates output via optocoupler feedback loop.

Use Value: Integrated 650V CoolMOS™ and Active Burst Mode achieve <100mW standby and rapid load-step recovery, meeting IEC 62368-1 and DOE Level VI requirements.

Use Scenario: 100W industrial control power supply requiring high reliability, wide ambient temperature range (−40°C to +70°C), and EN 61000-3-2 compliance.

IC Role / Device Role / Timing Role: Off-line current-mode controller with integrated switch in fixed-frequency flyback; manages VCC bias, soft-start, and multi-fault protection autonomously.

Use Value: Auto Restart Mode for overtemperature and open-loop faults enables self-recovery without system shutdown, supporting unattended operation in PLC and HMI applications.

LED Driver Power Supplies

White Goods Auxiliary Power

Use Scenario: Constant-voltage LED driver for commercial lighting (e.g., 48V/1.5A) with dimming interface and surge immunity per IEC 61000-4-5.

IC Role / Device Role / Timing Role: Primary-side controller managing peak current limit, burst mode transition, and feedback regulation; drives external MOSFET if higher power needed.

Use Value: Precise <±5% current limit tolerance allows consistent LED current accuracy across line/load variations, reducing need for secondary-side calibration.

Use Scenario: Auxiliary 12V/0.5A supply for washing machine mainboard, operating continuously across seasonal ambient shifts and frequent power cycling.

IC Role / Device Role / Timing Role: Standby-optimized SMPS controller providing regulated rail for microcontroller, sensors, and display; integrates all protection functions.

Use Value: Isolated drain package (PG-TO220-6-47) enables direct heatsink mounting without insulating pads, lowering thermal resistance by >30% versus DIP packages in confined enclosures.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
ICE3A3065IBKSA1	Same R_DS(on) and power rating, but in PG-TO220-6-46 package with different pin 1–2 spacing and non-isolated drain tab.	Requires insulating pad for heatsink mounting; less suitable for high-density layouts where creepage between drain and heatsink is constrained.	Select when mechanical compatibility with legacy TO220-46 footprints is required and isolation constraints allow insulated mounting.
ICE3B3065PBKSA1	Identical package and R_DS(on), but 67kHz switching frequency and lower EMI fundamental; reduced max duty cycle (65%) and slightly higher standby power (~120mW).	Better suited for EMI-sensitive environments (e.g., medical peripherals); trades peak power density for lower radiated emissions.	Select when conducted/radiated EMI limits are tighter than efficiency or size targets, especially in Class B residential applications.

Compared with ICE3A3065IBKSA1, the BKSA1 variant offers superior creepage and thermal performance via isolated drain; compared with ICE3B3065PBKSA1, it delivers higher power density and lower standby consumption at the cost of elevated EMI fundamentals.

Availability

ICE3A3065PBKSA1 is available at Aetrix Electronics and suitable for USB-C PD adapters, industrial AC/DC power supplies, and LED driver power supplies requiring stable component supply, long-lifecycle support, and RoHS-compliant packaging.

Supply support for ICE3A3065PBKSA1 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 manufacturing and quality certifications including ISO 9001 and IATF 16949.

This device belongs to the CoolSET™-F3 family-designed specifically for high-efficiency, low-standby-power offline SMPS in consumer, industrial, and appliance applications-with emphasis on integration, protection robustness, and thermal manageability.

FAQ

What is the maximum continuous input power rating for ICE3A3065PBKSA1 at 230VAC?

The ICE3A3065PBKSA1 supports up to 128W continuous input power at 230VAC ±15% under open-frame conditions (T_a = 50°C, T_j = 125°C, R_thCA = 2.7 K/W). This rating assumes proper heatsinking via the isolated drain tab and adherence to layout guidelines for thermal vias and copper area.

How does the Active Burst Mode improve light-load performance?

Active Burst Mode reduces switching frequency dynamically while keeping the controller fully active, enabling immediate response to load steps without output voltage dropout. It achieves <100mW no-load consumption and maintains output ripple below 1%, eliminating the need for auxiliary windings or external burst controllers.

Can ICE3A3065PBKSA1 be used in quasi-resonant (QR) flyback topologies?

No-ICE3A3065PBKSA1 operates at fixed 100kHz frequency and lacks valley-switching detection circuitry. It is designed for continuous conduction mode (CCM) or discontinuous conduction mode (DCM) flyback operation only. For QR applications, Infineon's ICE5QSBGx series is recommended.

What is the purpose of the adjustable blanking window feature?

The blanking window, configured via an external RC network on the SoftS pin, disables current-sense comparator triggering for a user-defined duration after each switching event. This prevents false overcurrent trips during high dv/dt transients-such as transformer leakage spikes or load jumps-improving system reliability in dynamic applications.

ICE3A3065PBKSA1 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:: 100kHz

Power (Watts):: 128 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

ICE3A3065PBKSA1 FAQ

1.How can I place an order for ICE3A3065PBKSA1 through Aetrix?

Please submit a Request for Quotation (RFQ) for ICE3A3065PBKSA1 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 ICE3A3065PBKSA1 reliable?

The price and inventory of ICE3A3065PBKSA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ICE3A3065PBKSA1 is usually 5 days.

3.What payment methods are accepted for ICE3A3065PBKSA1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ICE3A3065PBKSA1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for ICE3A3065PBKSA1?

ICE3A3065PBKSA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your ICE3A3065PBKSA1 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 ICE3A3065PBKSA1?

For technical support, including ICE3A3065PBKSA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ICE3A3065PBKSA1 requirements.

6.How does Aetrix verify that ICE3A3065PBKSA1 is sourced from the original manufacturer or authorized distributors?

All ICE3A3065PBKSA1 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 ICE3A3065PBKSA1 meets industry standards.

7.What is the process for return or replacement of ICE3A3065PBKSA1?

All ICE3A3065PBKSA1 units undergo pre-shipment inspection (PSI). If there is an issue with ICE3A3065PBKSA1, 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 ICE3A3065PBKSA1 part is unused and in its original packaging.

Return procedure for ICE3A3065PBKSA1:

1.Submit a request within 90 days.

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

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