Electronic component search and free download site.
Transistors,MosFET ,Diode,Integrated circuits

P/N + Описание + Поиск контента

Ключевые слова :
Номер в каталоге(s) : WG606P
Unspecified
Unspecified
Компоненты Описание : switching power supply control IC

WG606P bipolar process, the built-in overload prevention, anti-saturation circuit to meet the green standard Quasi-switching power supply controller;



To improve the consistency of circuit performance parameters, the internal reference voltage of the special Do not designed to improve the accuracy of the internal reference voltage. Using a wide supply (85-265V) design, output power Rate 8-12W.



Widely used in economical switching power supply, such as DVD, set-top boxes, fax machines, printers, LCD display or the like.




Номер в каталоге(s) : FA5546
Fuji Electric
Fuji Electric
Компоненты Описание : switching power supply control IC

Overview
FA5546/47 is a current mode type switching power supply control IC possible to drive a power MOSFET directly. Despite of a small package with 8 pins, it has a lot of functions and it is best suited for power saving at the light load and decreasing external parts. Moreover it enables to realize a reduced space and a High cost-performance power supply.

Features
▪ Excellent power Saving by lowering the oscillation frequency depending on the load at light load.
▪ Low power consumption by a built-in 500V High voltage startup circuit.
▪ Current Minus detection. power Saving of the revision of the input voltage of OLP.
▪ Overload protection function with a few number of external components. Auto Recovery type or Timer Latch type.
▪ Two-stages Over Load Protection suitable for Motor Driving.
▪ Brown-In/Out Function without additional external components.
▪ VCC Over voltage Protection function(OVP) (Vcc=26V).
▪ VCC Under-voltage Lock-Out function (UVLO). (Vcc=18V/9.8V)
▪ Minimum ON width is replaced and restrains transient leaping up of the drain voltage of the MOSFET.
▪ Latch pin for an external signal: Over Temperature Protection, Over voltage Protection etc.
▪ External MOSFET driving suitable for power supply up to 200W: -1.0A(sink),/+0.5A(source)
▪ Soft Start function.

Номер в каталоге(s) : HA17384
Hitachi -> Renesas Electronics
Hitachi -> Renesas Electronics
Компоненты Описание : High Speed Current Mode PWM control IC for switching power supply

Description

The HA17384S/H and HA17385H are PWM control switching regulator IC series suitable for Highspeed, current-mode switching power supplies. With ICs from this series and a few external parts, a small, low cost flyback-transformer switching power supply can be constructed, which facilitates good line regulation by current mode control. Synchronous operation driven after an external signal can also be easily obtained which offers various applications such as a power supply for monitors small multi-output power supply.



Features

High-safety UVL circuit is used (Both VIN and Vref are monitored)

High speed operation:

   - Current detection response time: 100 ns Typ

   - Maximum oscillation frequency: 500 kHz

• Low standby current: 170 µA Typ

• Wide range dead band time

   (Discharge current of timing capacitance is constant 8.4 mA Typ)

• Able to drive power MOSFET directly

   (Absolute maximum rating of output current is ±1 A peak)

• OVP function (over voltage protection) is included *1

   (Output stops when FB terminal voltage is 7.0 V Typ or Higher)

• TSD function (thermal shut-down protection) is included *1

   (Output stops when the temperature is 160°C Typ or Higher)

• Zener protection is included

   (Clamp voltage between VIN and GND is 34 V Typ)

• Wide operating temperature range:

   - Operating temperature: –20°C to +105°C

 - Junction temperature: 150°C *2



 


Номер в каталоге(s) : HA17384HPS
Renesas Electronics
Renesas Electronics
Компоненты Описание : High Speed Current Mode PWM control IC for switching power supply

Description

The HA17384S/H and HA17385H are PWM control switching regulator IC series suitable for Highspeed, current-mode switching power supplies. With ICs from this series and a few external parts, a small, low cost flyback-transformer switching power supply can be constructed, which facilitates good line regulation by current mode control. Synchronous operation driven after an external signal can also be easily obtained which offers various applications such as a power supply for monitors small multi-output power supply.



Features

•  High-safety UVL circuit is used (Both VIN and Vref are monitored)

•  High speed operation:

⎯ Current detection response time: 100 ns Typ

⎯ Maximum oscillation frequency: 500 kHz

•  Low standby current: 170 µA Typ

•  Wide range dead band time (Discharge current of timing capacitance is constant 8.4 mA Typ)

•  Able to drive power MOSFET directly (Absolute maximum rating of output current is ±1 A peak)

•  OVP function (over voltage protection) is included *1 (Output stops when FB terminal voltage is 7.0 V Typ or Higher)

•  TSD function (thermal shut-down protection) is included *1

(Output stops when the temperature is 160°C Typ or Higher)

•  Zener protection is included (Clamp voltage between VIN and GND is 34 V Typ)

•  Wide operating temperature range:

⎯ Operating temperature: –20°C to +105°C

⎯ Junction temperature: 150°C *2

Notes: 1.  H series only.

         2.  S series only.



Functions

•  Under-voltage lockout system

•  Reference voltage regulator of 5.0 V ± 2%

•  Triangular wave (sawtooth) oscillator

•  Error amplifier

•  Totem pole output driver circuit (direct driving for power MOS FETs)

•  Current-detection comparator circuit for current mode

•  OVP function (over voltage protection) *1

•  TSD function (thermal shut-down protection) *1

•  Protect function by zener diode (between power input and GND)

   Note: 1. H series only.


Номер в каталоге(s) : FA5502
Fuji Electric
Fuji Electric
Компоненты Описание : power supply control IC

Description

FA5502P/M is a control IC for a power factor correction system. This IC uses a CMOS device with High dielectric strength (30V) to implement low power consumption. This IC uses the average current control system to ensure stable operation. With this system, a power factor of 99% or better can be achieved. 



Features

• Low current consumption by CMOS process

• Stand-by : 3µA(max), Start-up : 30µA(max), Operating : 4mA(typ)

• Good regulation of PFC output voltage from no-load to full-load

• Drive circuit for connecting a power MOSFET(IOUT= ±1.5A)

• Pulse-by-pulse overcurrent and overvoltage limiting function

• ±2% accuracy reference voltage for setting DC output and overvoltage protection

• Output ON/OFF control function by external signal

• External synchronizing input pin for synchronous operation with other circuits

• Undervoltage lockout function (ON:16.5V, OFF:8.9V)

• 16-pin package (DIP/SOP)


Номер в каталоге(s) : ATC9501
Unspecified
Unspecified
Компоненты Описание : power supply control IC

[TXPower]

Summary:
   This application note introduces the ATC9501 built-in triode primary feedback control chip and its application circuit. It describes its characteristics and working principle in detail.

Application range:
➤ Battery chargers for mobile phones, cordless phones, PDAs, MP3/MP4, digital cameras and power tools
➤ LED spotlights, light cups and bulb lights
➤ The best choice for linear power supply and RCC switching power supply upgrade

(Google Trans ....)

Номер в каталоге(s) : FA3641
Fuji Electric
Fuji Electric
Компоненты Описание : PWM control IC with light load power saving function For switching power supply control

The FA3641P(N) and FA3647P(N) are the PWM type switching power supply control ICs that can directly drive power MOSFET. These ICs use a CMOS device with High dielectric strength (30V) to implement low power consumption. They feature a number of functions that are equivalent to those of the FA531X series consisting of bipolar devices.




Номер в каталоге(s) : MIC2186
Micrel
Micrel
Компоненты Описание : Low voltage PWM control IC

General Description
Micrel’s MIC2186 is a High efficiency boost PWM control IC. With its wide input voltage range of 2.9V to 14V, the MIC2186 can be used to efficiently boost voltages in 1- or 2-cell Li Ion battery powered applications, as well as to boost voltages in fixed 3.3V, 5V, or 12V systems. Its powerful 1.6Ω output driver allows the MIC2186 to supply large output currents with the selection of proper external MOSFETs.

Features
• Input voltage range: 2.9V to 14V
• 1.6Ω output driver
• Oscillator frequency of 100kHz/200kHz/400kHz
• Frequency sync to 600kHz
• Front edge blanking
PWM Current Mode control
• Selectable light load SKIP mode
• 600µA quiescent current (SKIP-Mode)
• 0.5µA shutdown current
• Cycle-by-Cycle current limiting
• Frequency foldback protection
• Adjustable under-voltage lockout
• Precision 1.245V reference output
• 16 pin SOIC and QSOP package options
• Selectable 50% maximum duty cycle for flyback applications

Applications
• DC power distribution systems
• Wireless Modems
• ADSL line cards
• SLIC power supplies
• 1-and 2-cell Li Ion battery operated equipment

Номер в каталоге(s) : MIC2186
Micrel
Micrel
Компоненты Описание : Low voltage PWM control IC (Rev - 2002)

General Description
Micrel’s MIC2186 is a High efficiency boost PWM control IC. With its wide input voltage range of 2.9V to 14V, the MIC2186 can be used to efficiently boost voltages in 1- or 2-cell Li Ion battery powered applications, as well as to boost voltages in fixed 3.3V, 5V, or 12V systems. Its powerful 1.6Ω output driver allows the MIC2186 to supply large output currents with the selection of proper external MOSFETs.

Features
• Input voltage range: 2.9V to 14V
• 1.6Ω output driver
• Oscillator frequency of 100kHz/200kHz/400kHz
• Frequency sync to 600kHz
• Front edge blanking
PWM Current Mode control
• Selectable light load SKIP mode
• 600µA quiescent current (SKIP-Mode)
• 0.5µA shutdown current
• Cycle-by-Cycle current limiting
• Frequency foldback protection
• Adjustable under-voltage lockout
• Precision 1.245V reference output
• 16 pin SOIC and QSOP package options
• Selectable 50% maximum duty cycle for flyback applications

Applications
• DC power distribution systems
• Wireless Modems
• ADSL line cards
• SLIC power supplies
• 1-and 2-cell Li Ion battery operated equipment

Номер в каталоге(s) : FA5304AP
Fuji Electric
Fuji Electric
Компоненты Описание : Bipolar IC For switching power supply control

■Description

The FA5304AP(S) and FA5305AP(S) are bipolar ICs for switching power supply control and can directly drive a power MOSFET. These ICs contain many functions in a small 8-pin package. With these ICs, a High-performance power supply can be created compactly because not many external

components are needed.



■Features

• Drive circuit for connecting a power MOS-FET (IO= ±1.5A)

• Wide operating frequency range (5 to 600kHz)

• Pulse-by-pulse overcurrent limiting function

   Positive voltage detection: FA5304AP(S)

   Negative voltage detection: FA5305AP(S)

• Overload cutoff function (Latch or non-protection mode selectable)

• Output ON/OFF control function by external signals

• Overvoltage cutoff function in latch mode

• Undervoltage malfunction prevention function (ON at 16V and OFF at 8.7V)

• Error amplifier for control by tertiary winding detection

• Low standby current (90µA typ.)

• 8-pin package (DIP/SOP)



■ Applications

switching power supply for general equipment


12345678910 Next



All Rights Reserved© datasheetq.com  [Privacy Policy ] [ Request Datasheet] [Contact Us]