ICE3AR0680JZ Infineon Integrated Circuit (Other) In Stock
The ICE3AR0680JZ is a current-mode PWM switching controller IC from Infineon designed for offline flyback power supply applications. It operates from an 11.2 V to 25 V supply and integrates active burst-mode control for high efficiency at light loads in a compact 7-pin DIP package. Suitable for AC/DC adapters, chargers, and standby power supplies targeting energy efficiency standards.
- Manufacturer
- Infineon
- Package
- Other
- Pin Count
- 7
- Lifecycle
- NOT RECOMMENDED
- Datasheet
- ICE3AR0680JZ Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Current-mode PWM control with active burst mode for high light-load efficiency in offline supplies
- 11.2 V to 25 V VCC operating range compatible with standard flyback auxiliary winding designs
- Integrated green-mode operation reduces standby power consumption below regulatory limits
- 7-pin DIP-7 package enables easy prototyping and low-cost through-hole PCB assembly
Applications
The ICE3AR0680JZ is primarily used in offline flyback converters for AC/DC power adapters serving consumer electronics such as set-top boxes, routers, and smart home devices. Its green-mode burst operation allows standby power consumption to meet stringent international energy-efficiency regulations, including ErP Lot 6 and ENERGY STAR standards. It is also applied in auxiliary power supply stages of larger inverters and industrial power modules where a self-powered 17 V VCC rail drives the controller.
Specifications
| Pbfree Code | Yes |
| YTEOL | 3 |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 25V |
| Input Voltage-Min | 11.2V |
| Input Voltage-Nom | 17V |
| JESD-30 Code | R-PDIP-T7 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP7/8,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Qualification Status | Not Qualified |
| Surface Mount | NO |
| Switcher Configuration | SINGLE |
| Switching Frequency-Max | 113kHz |
| Technology | BICMOS |
| Terminal Finish | Tin (Sn) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Mainland China, Malaysia |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What control method does the ICE3AR0680JZ use, and how does burst mode reduce standby losses?
The ICE3AR0680JZ employs current-mode pulse-width modulation (PWM) as its primary control method, with an integrated green-mode burst function that skips switching pulses under light-load conditions. By entering burst mode at loads below a threshold corresponding to roughly 11.2 V VCC minimum, the controller reduces switching frequency dramatically, cutting switching and gate-drive losses to keep standby consumption well under 1 W.
In which offline converter topologies is the ICE3AR0680JZ most commonly used?
The ICE3AR0680JZ is predominantly used in single-switch flyback converter designs operating from 85 V to 264 V AC mains, where the auxiliary winding provides the 11.2 V to 25 V VCC supply to the controller. The 7-pin DIP footprint and internal slope compensation make it a straightforward drop-in for cost-sensitive AC/DC adapters rated from a few watts to approximately 65 W output power.
What input voltage range does the ICE3AR0680JZ require, and how is this supply typically generated on the PCB?
The ICE3AR0680JZ requires a VCC supply between 11.2 V minimum and 25 V maximum, with a nominal 17 V target. In a flyback converter, this voltage is generated by an auxiliary winding on the transformer and a rectifier-capacitor circuit, allowing the controller to power itself from the same magnetic core that drives the output. A startup resistor from the high-voltage DC bus charges the VCC capacitor during cold start before the auxiliary winding takes over.
How does the ICE3AR0680JZ compare to an 8-pin DIP PWM controller such as the UC3842 for a compact charger design?
Compared to the classic 8-pin UC3842, the ICE3AR0680JZ in a 7-pin DIP package integrates green-mode burst functionality and optimized soft-start circuitry that the UC3842 lacks natively, reducing external component count by 2 to 4 passives in a charger design. Both use current-mode PWM control with similar 1 MHz maximum switching frequency capability, but the ICE3AR0680JZ's built-in light-load efficiency features help modern chargers meet sub-30 mW no-load power requirements without additional circuitry.
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