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Description : PHASE MODULATED AC SYNCHRONOUS Secondary-SIDE CONTROLLER

DESCRIPTION
The LX1570/71 series of controller ICs are designed to provide all control functions in a Secondary-side regulator for isolated auxiliary or Secondary POWER supplies. Auxiliary or Secondary-side controllers are used in a variety of applications including multiple output off-line POWER supplies, commonly found in desktop computers, as well as telecommunications applications. Although they can be used in all Secondary output applications requiring precision regulation, they are mainly optimized for outputs delivering more than 3A current where standard three-terminal regulators lack the desired efficiency. For these applications, the Mag Amp regulators have traditionally been used. However, Mag Amps have several disadvantages. First, be cause they have to withstand the maximum input voltage during a short-circuit condition, they are "over designed", typically by 2 times, increasing the cost and size of the POWER supply. Second, Mag Amps are inherently leading edge modulators, so they can only approach a certain maximum duty cycle, limited by the minimum delay and the magnetic BH loop characteristic of the Mag Amp core. This forces an increase in the size of the main TRANSFORMER as well as the output inductor, resulting in higher overall system cost. The LX1570/71 eliminates all the disadvantages of the Mag Amp approach as well as improving system performance and reducing overall system cost.
The LX1570/71 is a current mode controller IC that controls the duty cycle of a switch in series with the Secondary AC output of the POWER TRANSFORMER in buck-derived applications, such as forward or bridge topologies. It offers features such as 100% duty cycle operation for maximum energy transfer, pulse-by-pulse and hiccup current limiting with long off-time between the cycles for reduced POWER dissipation, high-frequency operation for smaller magnetics, soft start, and current mode control for excellent dynamic response.

KEY FEATURES
□ REPLACES COSTLY MAG-AMP CORES WITH A LOW ON-RESISTANCE MOSFET
□ LOOK-AHEAD SWITCHINGTM ENSURES
   SWITCH TURN ON BEFORE THE AC INPUT TO ACHIEVE 100% ENERGY TRANSFER
□ LOWER OVERALL SYSTEM COST
□ LOWER PEAK CURRENT STRESS ON THE PRIMARY SWITCH
□ ALLOWS HIGHER OPERATING FREQUENCY AND SMALLER OUTPUT INDUCTOR
□ EASY SHORT-CIRCUIT PROTECTION
□ CURRENT MODE APPROACH ACHIEVES EXCELLENT DYNAMIC RESPONSE

APPLICATIONS
Secondary-SIDE REGULATOR IN OFF-LINE POWER SUPPLIES
■ COMPUTER POWER SUPPLIES, 3.3V OUTPUT FOR NEW LOW-VOLTAGE
   PROCESSORS AND MEMORIES
■ TELECOMMUNICATION AND MILITARY DC/DC CONVERTERS

Description : Mc Modules for MediaConverter Chassis Series

[IMC Networks]

The MediaConverter Series is a cost-effective solution for extending the life of legacy equipment and bringing fiber to the desktop.

Features and Benefits
Modules meet a variety of installation requirements
    • Supports Ethernet, Fast Ethernet, and Gigabit Ethernet, and up to OC-3 for mode converters
    • Available for multi-mode or Single-mode fiber with ST or SC fiber connectors
    • Supports very long fiber distances

A variety of Chassis options
    • Table-top or rackMountable
    • 1-, 4-, 8- and 12-slot Chassis
    • 12-slot Chassis is only 1U high
    • AC POWER

Maximizes network uptime
    • Modular, hot-swappable architecture reduces operational costs associated with product installation, upgrades and maintenance

Eases Troubleshooting
• LinkLoss and FiberAlert features assist in diagnosing problems on fiber optic networks

Description : 19" 2U High, Full-size RackMount Chassis with 2-Slot Backplane & 250W P/S

[BOSER Technology Co., LTD]

Front Side Description
The front panel of RC-120 displays one POWER switch, three LED indicators, one reset switch and one extra keyboard connector.
Two 6cm ball bearing cooling fans are also present, ventilating the Chassis from the front side.
The RC-120 provides an easy assembly for one 3.5" FDD and one 5.25" CD-ROM.

Features
● 19" 2U high, industrial all steel rugged Chassis
● 250W auto range 85~265VAC POWER supply input module Chassis for most cost down applications
● One 5.25" CD-ROM and one 3.5" FDD spaces; three 3.5" HDD spaces
● Two 6cm ball bearing cooling fans
● FCC/CE industrial Class A approval

Description : POWER TRANSFORMER Chassis Mount: Single Secondary

Description:
The F-26X is part of a series which has a long history of reliable service in the field, made from a proven design and constructed with UL recognized materials.

Electrical Specifications (@25C)
1. Maximum POWER: 31.5 VA
2. Primary: 115V 60 Hz
3. Secondary: 12.6VCT @ 2.5 Amps
4. Voltage Regulation: 10 % TYP @ full load to no load
5. Temperature Rise: 35C TYP (45C MAX allowed)

Construction:
   Wound on a Single channel nylon bobbin. Materials are UL recognized, Class B (130º C) rated.

Description : Single, dual and triple output

Single, dual and triple output

The PM300CE series is an encapsulated, Chassis Mountable linear AC/DC POWER module with the CE mark to demonstrate compliance with the Low Voltage Directive for European applications. The series has Single, dual and triple output models with industry standard output configurations operating from an input voltage of 230VAC making the PM300CE series suitable for a wide range of low POWER Chassis applications. The PM300CE series includes 2.5W to 15W modules. Each module has short-circuit protection and the 5V outputs also have overvoltage protection. Conservative design and rating of these modules results in reliable operation and long life. There are four threaded inserts in the bottom of each module for convenient Chassis Mounting. The PM300CE design is a low emissions design with tightly regulated outputs making the series especially suitable for test, measurement and instrumentation equipment.

• Encapsulated package
• 2.5 to 15W modules
• 230VAC input (115VAC version, see PM300 series)
Chassis Mounting inserts
• Terminal strip connections
• Short circuit protection
• EN55022, EN55011 conducted emissions level B
• EN61000-4-2, -3, -4, -5, -6 compliant
• Meets EN60950

Description : I2C BUS-CONTROLLED MULTISTANDARD Single CHIP TV PROCESSOR

INTRODUCTION
The STV224XH/228XH/223XH are fully bus-controlled ICs for TV that include PIF, SIF, Luma, Chroma and Deflection processing functions. Used with a vertical frame booster (TDA8174A for a 90° Chassis, STV9306 for a 110° Chassis), they allow multistandard (BGDKIMNLL’, PAL/SECAM/NTSC) sets to be designed with very few external components and no manual adjustments.

■ I²C Bus Control
■ PIF Circuit with PLL Demodulation (Positive and Negative Video)
■ SIF Circuit with QSS Structure, FM Demodulation and AM Demodulation for France
■ Intercarrier Capability
■ Built-in Sound Bandpass
■ Sound Subcarrier Output for Stereo Chassis (FM, NICAM)
■ Audio FM wide mode
■ Audio Switch and Volume Control (Mono Chassis)
■ AVL (Automatic Volume Levelling)
■ Integrated Chroma Filters and Luma Delay Line
■ Integrated Chroma Delay Line
■ Video Switch (3 CVBS In, 2 CVBS Out)
■ SVHS Switch (Y Combined with CVBS3 Input)
■ OSD RGB Inputs
■ External RGB/YCrCb Inputs or YUV Interface
■ PAL / SECAM / NTSC Chroma Demodulators
■ Auto Flesh Control Capability in NTSC mode
■ South America Capability (PAL-M / PAL-N / NTSC)
■ Chroma Subcarrier Output
■ Black Stretch Circuit
■ Peaking Circuit
■ Automatic Cut-off Current Loop
■ Manual Cut-off possible for low-cost applications
■ Two Horizontal Deflection PLLs
■ Vertical Countdown
■ Half Contrast
■ APR (Automatic RGB Peak Regulation) or RGB
Peak Limitation Function
■ White Insertion
■ Copy Protection mode
■ Wide Line Blanking mode
■ SAW Filter Switch Control (TQFP64 package only)
■ Very Few External Components

Description : I²C bus-controlled multistandard Single chip TV processor

INTRODUCTION
The STV224XH/228XH/223XH are fully bus-controlled ICs for TV that include PIF, SIF, Luma, Chroma and Deflection processing functions. Used with a vertical frame booster (TDA8174A for a 90° Chassis, STV9306 for a 110° Chassis), they allow multistandard (BGDKIMNLL’, PAL/SECAM/NTSC) sets to be designed with very few external components and no manual adjustments.

■ I²C Bus Control
■ PIF Circuit with PLL Demodulation (Positive and Negative Video)
■ SIF Circuit with QSS Structure, FM Demodulation and AM Demodulation for France
■ Intercarrier Capability
■ Built-in Sound Bandpass
■ Sound Subcarrier Output for Stereo Chassis (FM, NICAM)
■ Audio FM wide mode
■ Audio Switch and Volume Control (Mono Chassis)
■ AVL (Automatic Volume Levelling)
■ Integrated Chroma Filters and Luma Delay Line
■ Integrated Chroma Delay Line
■ Video Switch (3 CVBS In, 2 CVBS Out)
■ SVHS Switch (Y Combined with CVBS3 Input)
■ OSD RGB Inputs
■ External RGB/YCrCb Inputs or YUV Interface
■ PAL / SECAM / NTSC Chroma Demodulators
■ Auto Flesh Control Capability in NTSC mode
■ South America Capability (PAL-M / PAL-N / NTSC)
■ Chroma Subcarrier Output
■ Black Stretch Circuit
■ Peaking Circuit
■ Automatic Cut-off Current Loop
■ Manual Cut-off possible for low-cost applications
■ Two Horizontal Deflection PLLs
■ Vertical Countdown
■ Half Contrast
■ APR (Automatic RGB Peak Regulation) or RGB
Peak Limitation Function
■ White Insertion
■ Copy Protection mode
■ Wide Line Blanking mode
■ SAW Filter Switch Control (TQFP64 package only)
■ Very Few External Components

Part Name(s) : MP312 MP330
ETC2
Unspecified
Description : POWER Film Resistors

[CADKDOC ELECTRONICS, LTD.]

Chassis Mounted Precision POWER Film Resistors with Center Screw Mounting

Type MP Chassis Mounted POWER Film Resistors are made with Micronox® resistance films fired onto a ceramic substrate which is thermally bonded to an anodized aluminum base. By Mounting this assembly directly to a metal surface for improved heat transfer, the high POWER capabilities of these unique resistors can provide increased packaging densities in many types of electronic equipment.

The special performance features of these Type MP Chassis Mounted POWER Film Resistors include:

• Two case sizes that provide 15 Watt and 30 Watt ratings.
• Operation up to 275°C.
Single screw Mounting to simplify attachment to the Chassis or other heat conducting surface.
• A molded silicone case that encapsulates the resistor assembly to meet stringent environmental specifications.
• Extended life stability better than 0.01% per 1,000 hours has been demonstrated through a 51/2 year, 50,000 hour program of continuous load life testing.

Infineon
Infineon Technologies
Description : Control IC for Switched-Mode POWER Supplies using MOS-Transistors

The IC TDA 4605-3 controls the MOS-POWER transistor and performs all necessary control and protection functions in free running flyback converters. Because of the fact that a wide load range is achieved, this IC is applicable for consumer as well as industrial POWER supplies.
The serial circuit and primary winding of the flyback TRANSFORMER are connected in series to the input voltage. During the switch-on period of the transistor, energy is stored in the TRANSFORMER. During the switch-off period the energy is fed to the load via the Secondary winding. By varying switch-on time of the POWER transistor, the IC controls each portion of energy transferred to the Secondary side such that the output voltage remains nearly independent of load variations. The required control information is taken from the input voltage during the switch-on period and from a regulation winding during the switch-off period. A new cycle will start if the TRANSFORMER has transferred the stored energy completely into the load.

Features
● Fold-back characteristics provides overload protection for external components
● Burst operation under Secondary short-circuit condition implemented
● Protection against open or a short of the control loop
● Switch-off if line voltage is too low (undervoltage switch-off)
● Line voltage depending compensation of fold-back point
● Soft-start for quiet start-up without noise generated by the TRANSFORMER
● Chip-over temperature protection implemented (thermal shutdown)
● On-chip ringing suppression circuit against parasitic oscillations of the TRANSFORMER
● AGC-voltage reduction at low load

Siemens
Siemens AG
Description : Control IC for Switched-Mode POWER Supplies using MOS-Transistor

The IC TDA 4605-3 controls the MOS-POWER transistor and performs all necessary control and protection functions in free running flyback converters. Because of the fact that a wide load range is achieved, this IC is applicable for consumer as well as industrial POWER supplies.
The serial circuit and primary winding of the flyback TRANSFORMER are connected in series to the input voltage. During the switch-on period of the transistor, energy is stored in the TRANSFORMER. During the switch-off period the energy is fed to the load via the Secondary winding. By varying switch-on time of the POWER transistor, the IC controls each portion of energy transferred to the Secondary side such that the output voltage remains nearly independent of load variations. The required control information is taken from the input voltage during the switch-on period and from a regulation winding during the switch-off period. A new cycle will start if the TRANSFORMER has transferred the stored energy completely into the load.

Features
● Fold-back characteristics provides overload protection for external components
● Burst operation under Secondary short-circuit condition implemented
● Protection against open or a short of the control loop
● Switch-off if line voltage is too low (undervoltage switch-off)
● Line voltage depending compensation of fold-back point
● Soft-start for quiet start-up without noise generated by the TRANSFORMER
● Chip-over temperature protection implemented (thermal shutdown)
● On-chip ringing suppression circuit against parasitic oscillations of the TRANSFORMER
● AGC-voltage reduction at low load

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