SOT223 DDA005

SOP8 SMD

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Introduction
PWM Controller of high-performance current mode is specially designed for AC/DC transformer with high performance and price ratio, which supplies continuous output POWER of 12W within the range of wide-voltage between 85V and 265V, the output POWER of peak value can be up to 18W. The combination of optimized reasonable circuit design and bipolar facture technology with high performance and price ratio economizes the whole cost ultimately. The POWER Controller can be applied to the typical flyback circuit topology so as to form a simple AC/DC transformer. 

General Description
BD7692FJ is POWER Factor Correction for AC/DC supplies the system which is suitable for all the products needing POWER factor improvement. The PFC adopts boundary conduction mode (BCM), and switching loss reduction and noise reduction are possible by Zero Current Detection (ZCD). ZCD detects by resistance, the auxiliary winding is unnecessary.

Features
■ Boundary Conduction Mode
■ Low POWER Consumption
■ VCCUVLO
■ Resister Detection for ZCD
■ Switching Loss Reduction, Noise Reduction by ZCD
■ Dynamic and Static OVP by the VS Pin
■ High Accuracy Over Current Detection (±4 %)
■ Error Amplifier Input Short Protection
■ Stable MOSFET Gate Drive by the Clamper
■ Protection Function by the OVP Pin
■ Over Voltage Reduce by Soft Start
■ Safe Design by the IS-GND Short Timer Operation

Applications
■ AC Adopter, TV, Lighting Equipment, Refrigerator, etc.

Description
R2A20115 is a POWER-factor correction (PFC) Controller IC, which employs continuous conduction mode as PFC control mode. Various kinds of functions such as constant POWER limit, overvoltage detection, overcurrent detection, soft start function, feedback-loop open detection, and the function holding its operation through momentary outage (PFC hold function) are incorporated in a single chip. These functions reduce external circuitry.

Features
• Maximum ratings
   ⎯ POWER-supply voltage Vcc: 24 V
   ⎯ Operating junction temperature Tjopr: – 40 to 150°C
• Electrical characteristics
   ⎯ VREF output voltage VREF: 5.0 V ± 1.6%
   ⎯ UVLO operation start voltage VH: 10.4 ± 0.7 V
   ⎯ UVLO operation stop voltage VL: 8.9 ± 0.5 V
   ⎯ PFC output maximum ON duty Dmax-out: 95% (typ.)
• Functions
   ⎯ Constant POWER limit function
   ⎯ Continuous conduction mode
   ⎯ Hold function of PFC operation on momentary outage (PFC hold function)
   ⎯ Overvoltage detection
   ⎯ Overcurrent detection
   ⎯ Soft start
   ⎯ Feedback loop disconnection detection
   ⎯ IC shutdown function
   ⎯ Dynamic OVP (Over Voltage Protection)
   ⎯ Package lineup: SOP-16

Applications
• Flat panel display
• Projector
• Desktop PC
• White goods

Description

The R2A20111 is a POWER-factor correction (PFC) Controller IC. This IC adopts continuous conduction mode as PFC operation. Various functions such as constant POWER limit, overvoltage detection, overcurrent detection, soft start, feedback-loop disconnection detection, and holding function of PFC operation through momentary outage (PFC hold function) are incorporated in a single chip. These functions reduce external circuitry.

The constant POWER limit function allows to eliminate a significant amount of coil noise which is generated due to overcurrent detection operation in case of conventional overload. The PFC hold function enables quick recovery by continuing PFC operation after momentary outage. The hold time can be adjusted by an external capacitance. Overcurrent detection pin is separately provided. Latch mode shutdown function is incorporated. A soft-start control pin provides for the easy adjustment of soft-start operation, and can be used to prevent overshooting of the output voltage.

Features

• Maximum ratings

⎯ POWER-supply voltage Vcc: 24 V

⎯ Operating junction temperature Tjopr: – 40 to 125°C

• Electrical characteristics

⎯ VREF output voltage VREF: 5.0 V ± 3%

⎯ UVLO operation start voltage VH: 10.5 ± 0.9 V

⎯ UVLO operation stop voltage VL: 9.0 ± 0.7 V

⎯ PFC output maximum ON duty Dmax-out: 95% (typ.)

• Functions

⎯ Constant POWER limit function

⎯ Continuous conduction mode

⎯ Hold function of PFC operation on momentary outage (PFC hold function)

⎯ Overvoltage detection

⎯ Overcurrent detection

⎯ Soft start

⎯ Feedback loop disconnection detection

⎯ IC shutdown function

⎯ Package lineup: SOP-16 and DILP-16

Applications

• Flat panel display

• Projector

• Desktop PC

• White goods

General Description
BD7690FJ is POWER Factor Correction for AC/DC supplies the system which is suitable for all the products needing POWER factor improvement. The PFC adopts boundary conduction mode (BCM), and switching loss reduction and noise reduction are possible by Zero Current Detection (ZCD). ZCD is detected by auxiliary winding.

Features
■ Boundary Conduction Mode
■ Low POWER consumption
■ VCCUVLO
■ The ZCD detection by auxiliary winding
■ Switching loss reduction, noise reduction by ZCD
■ Improving the efficiency by the max frequency control
■ Dynamic and Static OVP by the VS pin
■ High accuracy over current detection(±4%)
■ Error amplifier input short protection
■ Restart timer
■ Stable MOSFET gate drive by the Clamper

Applications
■ AC adopter, TV, Lighting equipment, Refrigerator, etc.

Description
R2A20115 is a POWER-factor correction (PFC) Controller IC, which employs continuous conduction mode as PFC control mode. Various kinds of functions such as constant POWER limit, overvoltage detection, overcurrent detection, soft start function, feedback-loop open detection, and the function holding its operation through momentary outage (PFC hold function) are incorporated in a single chip. These functions reduce external circuitry.

Features
• Maximum ratings
   ⎯ POWER-supply voltage Vcc: 24 V
   ⎯ Operating junction temperature Tjopr: – 40 to 150°C
• Electrical characteristics
   ⎯ VREF output voltage VREF: 5.0 V ± 1.6%
   ⎯ UVLO operation start voltage VH: 10.4 ± 0.7 V
   ⎯ UVLO operation stop voltage VL: 8.9 ± 0.5 V
   ⎯ PFC output maximum ON duty Dmax-out: 95% (typ.)
• Functions
   ⎯ Constant POWER limit function
   ⎯ Continuous conduction mode
   ⎯ Hold function of PFC operation on momentary outage (PFC hold function)
   ⎯ Overvoltage detection
   ⎯ Overcurrent detection
   ⎯ Soft start
   ⎯ Feedback loop disconnection detection
   ⎯ IC shutdown function
   ⎯ Dynamic OVP (Over Voltage Protection)
   ⎯ Package lineup: SOP-16

Applications
• Flat panel display
• Projector
• Desktop PC
• White goods

High-performance PC ATX POWER supply Controller IC

- Single-Chip Embedded 80C51 µC with Integral V.22bis Modem -

Further enhancement of this product has resulted in a group of additional functions which enable the use of the product in a much larger range of wireline telecom end-products. This updated Innovations document details the functions and features of the CMX850 and the product enhancements.
- this highly integrated product removes the need, in a communications end-product, for multiple ICs and their attendant components -

Enhanced 80C51 µC with Internal Memory
■ Extended Memory Addressing
■ Versatile Memory and Peripheral Interfacing
■ 8kB Internal XRAM
■ ‘Real-Time’ Clocks and Timing Facilities
■ Dynamic In-Circuit Programming and Software Upgrading in the Field via Boot ROM Facility
■ Low POWER ‘Sleep’ Modes with Programmable Wakeup

Applications - Low POWER and battery-operated communications terminals which need to access the PSTN to upload or download data
■ SMS and ADSI Terminals
■ Telemetry and Remote Meter Reading
■ Vending and Gaming Machines
■ Feature Phones, Smart Phones and Pay Phones
■ Telephone Routers
■ SIA Security Alarms
■ EPOS and ATM Terminals
■ E-mail and Internet Appliances