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ICE3BR1765J
+Lista de MateriaisIC OFFLINE SWITCH FLYBACK 8DIP
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FabricanteTecnologias Infineon
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Peça do Fabricante #ICE3BR1765J
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Ficha Técnica ICE3BR1765J DataSheet
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Especificações
| Atributo | Valor |
| Series | CoolMOS™, CoolSET™F3R |
| Part Status | Obsolete |
| Base Product Number | ICE3BR1765 |
| Output Isolation | Isolated |
| Internal Switch(s) | Yes |
| Voltage - Breakdown | 650V |
| Topology | Flyback |
| Voltage - Start Up | 18 V |
| Voltage - Supply (Vcc/Vdd) | 10.5V ~ 25V |
| Duty Cycle | 75% |
| Frequency - Switching | 65kHz |
| Power (Watts) | 46 W |
| Fault Protection | Current Limiting, Open Loop, Over Load, Over Temperature, Over Voltage |
| Operating Temperature | -25°C ~ 130°C (TJ) |
| Package | 8-DIP (0.300", 7.62mm) |
| Supplier Device Package | PG-DIP-8 |
| Mounting Type | Through Hole |
| Packaging | Tube |
Visão Geral
Description
The ICE3BR1765J is designed for off-line switch-mode power supplies, typically found in applications like battery chargers, adapters, and standby power systems. It incorporates a fixed-frequency current mode controller along with a power MOSFET, simplifying the design and reducing the number of external components required.
Key features include low standby power consumption, integrated protection features such as over-voltage, over-temperature, and short circuit protection, and a burst mode operation for improved efficiency at low load conditions.
Overall, the ICE3BR1765J is favored for its reliability, efficiency, and ease of use in designing compact and energy-efficient power supplies.
Equivalent
1. Power Integrations' TOPSwitch series (e.g., TOP246).
2. ON Semiconductor's NCP1200 series.
3. Texas Instruments' UCC28600.
4. STMicroelectronics' VIPer22A.
5. Fairchild's (now ON Semiconductor) FSQ series.
It's crucial to verify specific application requirements and electrical specifications to ensure compatibility when selecting an equivalent.
Features
1. Integrated Protection: It offers over-temperature, over-current, and short-circuit protection, enhancing reliability and safety.
2. PWM Capability: Supports Pulse Width Modulation (PWM) up to 25 kHz for various load control applications.
3. Diagnostics: Features diagnostic feedback that allows for fault detection, improving system monitoring and maintenance.
4. Low Standby Current: Designed to consume minimal power in standby mode, making it energy-efficient.
5. High Current Handling: Capable of driving high current loads, suitable for applications such as solenoids or lamps.
6. Robust Design: Withstands voltage transients and harsh environmental conditions, ideal for automotive environments.
7. Compact Package: Available in a small, surface-mount package, facilitating space-saving designs.
The ICE3BR1765J combines functionality, protection, and efficiency, making it a versatile choice for controlling inductive, capacitive, and resistive loads.
Pinout
The ICE3BR1765J comes in a DIP-7 package, which has 7 pins. Here’s a brief overview of its pin functions:
1. Pin 1 (GND): Ground pin.
2. Pin 2 (FB): Feedback pin used for voltage regulation and control.
3. Pin 3 (CS): Current Sense pin used for monitoring and limiting current.
4. Pin 4 (SoftS): Soft Start pin for controlling the start-up sequence.
5. Pin 5 (VCC): Supply voltage pin for powering the IC.
6. Pin 6 (Drain): Connected to the internal high-voltage power MOSFET.
7. Pin 7 (NC): No connection or used for optional functions.
These pins and functions enable the IC to perform high-efficiency power conversion with protection features built-in.
Manufacturer
Application
1. Consumer Electronics: Powering devices like TVs, set-top boxes, and audio systems.
2. Computers and Peripherals: Used in power adapters for laptops, monitors, and printers.
3. Industrial Electronics: Employed in power supplies for industrial automation systems.
4. Telecommunications: Utilized in power units for networking equipment.
5. LED Lighting: Provides efficient power management for LED drivers.
6. Battery Chargers: Used in charging circuits for various battery-powered devices.
Its primary functions include high efficiency, low standby power consumption, and integrated protection features.
Package
Frequently Asked Questions
Q: What is the maximum output power of the ICE3BR1765J in a flyback topology?
A: The device can deliver up to 46 W in a flyback topology under typical conditions.
Q: Does the ICE3BR1765J provide isolation for the output stage?
A: Yes, it supports isolated output designs as specified by its "Output Isolation: Isolated" parameter.
Q: What switching frequency does this IC operate at for EMI optimization?
A: It operates at a fixed switching frequency of 65 kHz, ideal for standard EMI filter design.
Q: What fault protection features are integrated into the ICE3BR1765J?
A: It includes protection for current limiting, open loop, overload, over temperature, and over voltage conditions.
Q: What is the voltage breakdown rating of the internal switch?
A: The internal power MOSFET has a 650V breakdown voltage, suitable for wide input range applications.
Q: What is the startup voltage requirement for this IC to begin operation?
A: The startup voltage is 18 V, ensuring reliable turn-on in high-voltage applications.
Q: Is the ICE3BR1765J still in production or an active part?
A: The part status is marked as Obsolete, so it is not recommended for new designs without checking stock availability.
Q: What package type does the ICE3BR1765J use for through-hole mounting?
A: It is supplied in a PG-DIP-8 package, specifically the 8-DIP (0.300", 7.62mm) through-hole format.
