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

Infineon Technologies ICE3BR4765JGXUMA1

Name: ICE3BR4765JGXUMA1
Brand: Infineon Technologies
SKU: ICE3BR4765JGXUMA1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: ICE3BR4765JGXUMA1

Manufacturer:: Infineon Technologies

Category:: AC DC Converters, Offline Switches

Package:: 16-SOIC (0.154", 3.90mm Width), 12 Leads

Datasheet:: ICE3BR4765JGXUMA1.pdf

Description:: IC OFFLINE SWITCH FLYBACK 12DSO

Quantity:: RFQ Add To RFQ list

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Product details

Overview

ICE3BR4765JGXUMA1 from Infineon is a fixed-frequency, 650 V integrated CoolSET™-F3R PWM controller with embedded CoolMOS™ power transistor in PG-DSO-12 package. It delivers 24 W at 230 VAC ±15%, features 65 kHz switching frequency, 4.7 Ω R_DS(on), active burst mode for <50 mW standby power, and built-in soft start and extendable blanking window - used in AC/DC SMPS for Blu-ray players and set-top boxes.

For engineers reviewing the ICE3BR4765JGXUMA1 datasheet, ICE3BR4765JGXUMA1 pinout, ICE3BR4765JGXUMA1 application, or ICE3BR4765JGXUMA1 equivalent, key selection criteria include integrated 650 V CoolMOS™, ±5% current limit tolerance, external auto-restart enable via BA pin, and jitter-enabled low-EMI operation in compact DS0-12 packaging.

Technical Context

This BiCMOS-based controller implements current-mode PWM control with propagation delay compensation and internal leading-edge blanking. It integrates a high-voltage startup cell connected directly to the Drain, eliminating the external startup resistor and reducing light-load losses.

The control unit supports dual blanking modes (20 ms base + capacitor-extendable) and patented Active Burst Mode that maintains optocoupler feedback control during low-power operation while minimizing output voltage ripple and enabling fast load-jump response.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DS	650 V - avalanche-rugged drain rating enables direct connection to universal AC input (85–270 VAC) without external snubber oversizing.
f_SW	65 kHz fixed - eliminates external timing components and simplifies EMI filter design with predictable fundamental frequency.
R_DS(on)	4.7 Ω @ T_j = 25°C - defines conduction loss and thermal derating envelope for 24 W output at 230 VAC.
Current Limit Tolerance	±5% - ensures consistent overcurrent protection across temperature and process variation, reducing transformer safety margin requirements.
Standby Power	<50 mW - achieved via Active Burst Mode with full optocoupler regulation retention, meeting EU CoC Tier 2 and DOE Level VI.
Soft Start Time	20 ms built-in - prevents inrush current stress on primary-side components and eliminates need for external RC network.
V_CC Range	10.5 V to 25 V - wide supply range accommodates V_CC droop during brown-out and supports auxiliary winding design flexibility.

Pinout & Package

Package: PG-DSO-12 (12-pin, exposed drain pad, RoHS-compliant green mold compound).

Pin/Terminal	Circuit Role	Design Meaning
1, 9, 10	N.C.	No internal connection - must remain unconnected per layout guidelines to avoid parasitic coupling.
2	BA	Combined extended blanking time control and external auto-restart enable - pull <0.33 V to force immediate restart lockout; add capacitor to ground to extend blanking beyond 20 ms.
3	FB	Optocoupler feedback input - sole control signal in Active Burst Mode; interfaces directly with secondary-side TL431 circuitry.
4	CS	Primary-side current sense - monitors source resistor voltage to trigger cycle-by-cycle peak current limiting and PWM comparator input.
5, 6, 7, 8	Drain	High-side power switch terminals - internally bonded to CoolMOS™ drain; require thermal pad connection to PCB copper for 125°C junction operation.
11	V_CC	Controller supply input - powers internal bias circuitry; UVLO threshold at 10.5 V (off) / 18 V (on) with hysteresis.
12	GND	Analog/digital reference plane - serves as return path for CS, FB, BA, and gate driver; must be low-inductance connection to minimize noise coupling.

Key Features

Feature	Design Value
Integrated Startup Cell	Connected to Drain - eliminates external high-voltage startup resistor, reducing component count and improving light-load efficiency by ~0.5%.
Extendable Blanking Window	20 ms base + capacitor-tunable - disables overload detection during transient high-current events without requiring external logic or timers.
Frequency Jitter & Soft Gate Drive	Internal spread-spectrum clock + slew-rate-controlled output - reduces peak EMI amplitude by >10 dBμV in quasi-peak measurements.
Auto Restart Protection	Trips on overtemperature, overvoltage, open-loop, and overcurrent - limits average power during fault to prevent transformer saturation and MOSFET thermal runaway.
Precise Peak Current Limit	±5% tolerance with propagation delay compensation - enables accurate power limiting across line voltage range, avoiding transformer overdesign.

Applications

Blu-ray/DVD Player Power Supply

Set-Top Box Auxiliary SMPS

Use Scenario: Standby-to-active transition in consumer AV equipment requiring ultra-low no-load consumption and rapid 100–500 mA load jumps.

IC Role / Device Role / Timing Role: Primary-side PWM controller with integrated 650 V switch, managing burst-mode regulation and feedback loop stability via FB pin.

Use Value: Achieves <50 mW standby power while maintaining <±3% output regulation during dynamic load steps, eliminating need for secondary-side LDO post-regulation.

Use Scenario: Low-cost, space-constrained auxiliary 5 V/1 A supply powering microcontrollers and HDMI interface ICs in cable/satellite receivers.

IC Role / Device Role / Timing Role: Fixed-frequency current-mode controller with built-in soft start and blanking, driving flyback transformer with minimal external components.

Use Value: Reduces BOM count by 4 parts (startup resistor, soft-start cap, blanking cap, V_CC decoupling cap) versus discrete controller + MOSFET solutions.

White Goods Control Board Supply

Digital Photo Frame AC/DC Adapter

Use Scenario: Isolated 3.3 V/0.3 A supply for MCU and sensor interface in washing machine control modules operating in high-humidity environments.

IC Role / Device Role / Timing Role: Robust primary-side controller with auto-restart and thermal foldback, interfacing with optocoupler-based feedback for isolation compliance.

Use Value: Withstands 125°C ambient via exposed drain pad thermal path and maintains regulation under 85–265 VAC line sags, ensuring firmware reliability.

Use Scenario: Compact wall-wart adapter powering 7–10 inch LCD panels with intermittent backlight activation and variable display content load profiles.

IC Role / Device Role / Timing Role: Integrated CoolSET™ delivering constant-voltage output with active burst mode for zero-load hold and fast wake-up response.

Use Value: Enables Class II (no earth ground) adapter design with 10 mm² smaller PCB area than dual-chip alternatives, meeting IEC 60950-1 creepage requirements.

Equivalent & Alternatives

The following parts are listed as comparable options for similar AC/DC SMPS controller applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
ICE3B0565J	No BA pin; fixed 20 ms blanking only; no external auto-restart enable; same 65 kHz, 650 V, 4.7 Ω R_DS(on).	Lacks flexible fault management for high-reliability industrial aux supplies requiring forced restart disable.	Select when cost sensitivity outweighs need for programmable blanking or external restart control.
LD7575P	Discrete controller + external MOSFET; 650 V external FET required; no integrated startup cell; 65 kHz, ±7% current limit tolerance.	Higher BOM count and layout complexity; requires external startup resistor and soft-start network.	Select when thermal separation of controller and switch is mandatory or when legacy platform reuse demands discrete topology.

Compared with ICE3B0565J and LD7575P, ICE3BR4765JGXUMA1 uniquely combines extendable blanking, external auto-restart enable, and integrated startup cell - reducing component count by up to 6 parts and improving light-load efficiency by 0.4–0.7% in sub-25 W adapters.

Availability

ICE3BR4765JGXUMA1 is available at Aetrix Electronics and suitable for Blu-ray player power supplies, set-top box auxiliary SMPS, and digital photo frame AC/DC adapters requiring stable component supply, long-term lifecycle support, and RoHS-compliant green molding.

Supply support for ICE3BR4765JGXUMA1 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 is a German semiconductor manufacturer specializing in power management, automotive, and industrial control ICs, with global manufacturing and quality certification to ISO 9001 and IATF 16949.

This part belongs to the CoolSET™-F3R jitter series - designed specifically for cost-sensitive, low-power (<25 W) offline SMPS in consumer electronics, emphasizing standby efficiency, EMI reduction, and integration-driven BOM optimization.

FAQ

What is the function of the BA pin on ICE3BR4765JGXUMA1?

The BA pin provides dual functionality: (1) extending the internal 20 ms blanking window by adding an external capacitor to ground, and (2) enabling external forced entry into auto-restart mode when pulled below 0.33 V. This allows designers to tailor overload protection timing and implement system-level fault shutdown without additional logic ICs.

Does ICE3BR4765JGXUMA1 require an external startup resistor?

No. The device integrates a high-voltage startup cell connected directly to the Drain pin, eliminating the need for an external high-voltage startup resistor. This reduces component count, improves light-load efficiency, and removes a common failure point in traditional flyback controllers.

How does Active Burst Mode maintain output regulation at no-load?

Active Burst Mode retains full optocoupler feedback control even at zero load - the FB pin continues to sample secondary-side voltage and modulate burst frequency and pulse width. This preserves tight output regulation (±3%) and enables fast wake-up response without secondary-side LDOs or post-regulators.

What thermal considerations apply to the PG-DSO-12 package?

The PG-DSO-12 exposes the Drain pads (pins 5–8) as a thermal pad. For reliable 125°C junction operation at 24 W, this pad must be soldered to ≥4 cm² of 2 oz copper with ≥4 thermal vias (0.3 mm diameter) connecting to inner ground planes. Insufficient copper area causes premature thermal shutdown above 50°C ambient.

ICE3BR4765JGXUMA1 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: CoolMOS™, CoolSET™F3R

Package/Case:: 16-SOIC (0.154", 3.90mm Width), 12 Leads

Packaging:: Tape & Reel (TR)

Product Status:: Active

Output Isolation:: Isolated

Internal Switch(s):: Yes

Voltage - Breakdown:: 650V

Topology:: Flyback

Voltage - Start Up:: 18 V

Voltage - Supply (Vcc/Vdd):: 10.5V ~ 27V

Duty Cycle:: 75%

Frequency - Switching:: 65kHz

Power (Watts):: 24 W

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

Control Features:: -

Operating Temperature:: -40°C ~ 150°C (TJ)

Grade:: -

Qualification:: -

Supplier Device Package:: PG-DSO-12-10

Mounting Type:: Surface Mount

ICE3BR4765JGXUMA1 FAQ

1.How can I place an order for ICE3BR4765JGXUMA1 through Aetrix?

Please submit a Request for Quotation (RFQ) for ICE3BR4765JGXUMA1 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 ICE3BR4765JGXUMA1 reliable?

The price and inventory of ICE3BR4765JGXUMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ICE3BR4765JGXUMA1 is usually 5 days.

3.What payment methods are accepted for ICE3BR4765JGXUMA1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ICE3BR4765JGXUMA1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for ICE3BR4765JGXUMA1?

ICE3BR4765JGXUMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your ICE3BR4765JGXUMA1 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 ICE3BR4765JGXUMA1?

For technical support, including ICE3BR4765JGXUMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ICE3BR4765JGXUMA1 requirements.

6.How does Aetrix verify that ICE3BR4765JGXUMA1 is sourced from the original manufacturer or authorized distributors?

All ICE3BR4765JGXUMA1 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 ICE3BR4765JGXUMA1 meets industry standards.

7.What is the process for return or replacement of ICE3BR4765JGXUMA1?

All ICE3BR4765JGXUMA1 units undergo pre-shipment inspection (PSI). If there is an issue with ICE3BR4765JGXUMA1, 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 ICE3BR4765JGXUMA1 part is unused and in its original packaging.

Return procedure for ICE3BR4765JGXUMA1:

1.Submit a request within 90 days.

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

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