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中小功率昂宝AC/DC_PWN控制芯片昂宝AC/DC_中等功率昂宝AC/DC

产品名称:中小功率昂宝AC/DC_PWN控制芯片昂宝AC/DC_中等功率昂宝AC/DC

所属类别:中小功率昂宝AC/DC_PWN控制芯片昂宝AC/DC_中等功率昂宝AC/DC

产品简介:大量库存中小功率昂宝AC/DC,PWN控制芯片昂宝AC/DC,中等功率昂宝AC/DC等产品,电  话:0769-89917065

详细介绍

PWM控制芯片系列产品

PWM控制芯片

Product Number

Topo-logy

Oper. Freq.

Max Vdd

Freq. Shuffling

Standby Power

VDD OVP

Power on Soft-start

OLP/ SCP

OTP

Brown-out

PFC Control

Package


 OB5269

Flyback

65kHz

26V

Y

<100mW

L

Y

A

L

--

--

SOP8


 OB5269B

Flyback

65kHz

26V

Y

<50mW

L

Y

A

--

Y

--

SOP8


 OB2273

Flyback

65kHz

28V

Y

<100mW

L

Y

A

L

--

--

SOT23-6


 OB2273A

Flyback

65kHz

28V

Y

<100mW

A

Y

A

A

--

--

SOT23-6


 OB2273B

Flyback

65kHz

28V

Y

<100mW

A

Y

A

--

Y

--

SOT23-6


 OB2273F

Flyback

External

28V

--

<100mW

A

Y

A

--

--

--

SOT23-6


 OB2273N

Flyback

External

28V

Y

<100mW

A

Y

A

--

--

--

SOT23-6


 OB2361

Flyback

Varible

28V

Y

<0.3W

A

Y

A

--

--

--

SOT23-6


 OB2361P

Flyback

Varible

28V

Y

<100mW

A

Y

A

--

--

--

SOT23-6


 OB2262

Flyback

External

30V

--

<0.3W

A

Y

A

--

--

--

SOT23-6


 OB2263

Flyback

External

30V

Y

<0.3W

A

Y

A

--

--

--

SOT23-6


 OB2268

Flyback

External

25V

--

<0.3W

A

--

A

A

--

--

SOP8/DIP8


 OB2269

Flyback

External

25V

Y

<0.3W

A

--

A

A

--

--

SOP8/DIP8


 OB2278

Flyback

External

28V

--

<0.3W

L

Y

A/L

A/L

--

--

SOP8/DIP8


 OB2279

Flyback

External

28V

--

<0.3W

L

Y

A/L

A/L

--

--

SOP8/DIP8


 OB2287

Flyback

External

28V

Y

<0.3W

L

Y

A

A/L

Y

--

SOP8/DIP8


 OB2288

Forward

External

28V

Y

<0.3W

L

Y

A

A/L

Y

--

SOP8/DIP8


 OB2298

Flyback

65kHz

28V

Y

<0.3W

L

Y

A

A/L

Y

Y

SOP8/DIP8



PWM功率开关

Product Number

HV Startup

Oper. Freq.

RDS(on)

Freq. Shuffling

Standby Power

Power on Soft-start

Max Vdd

OTP

VDD OVP

OLP/SCP

Package


 OB5222

HV

65kHz

Y

<30mW

Y

26V

Y

L

A

DIP8


 OB5225

HV

65kHz

Y

<30mW

Y

26V

Y

L

A

DIP8


 OB2353/L

--

50kHz

12Ω

Y

<0.3W

Y

28V/23V

Y

A

A

SOP8


 OB2354/L

--

50kHz

12Ω

Y

<0.3W

Y

28V/23V

Y

A

A

DIP8


 OB2356/L

--

100kHz

12Ω

Y

<0.3W

Y

28V/23V

Y

A

A

SOP8


 OB2357/L

--

100kHz

12Ω

Y

<0.3W

Y

28V/23V

Y

A

A

DIP8


 OB2358/L

--

50kHz

Y

<0.3W

Y

28V/23V

Y

A

A

DIP8



L:Latch; A:Auto-recovery 

 

OB2268/OB2269

High Performance Current Mode PWM Controller

OB2268/OB2269 is a highly integrated PWM control IC designed for AC/DC switch mode power applications.

Implemented with On-Bright patented proprietary technology,it achieves low standby power and high 

efficiency at reduced BOM cost.It also features comprehensive protection coverage and performance 

enhancement(EMI,etc).


Features: 

◆ Built-in leading edge blanking(LEB) at current sense input
◆ VDD over voltage protection (OVP)
◆ Over temperature protection (OTP)
◆ VDD under voltage lockout with hysteresis (UVLO)
◆ Over load protection (OLP)
◆ Built-in line compensated OCP achieving balanced OCP over universal input
◆ Frequency shuffling improving EMI performance (OB2269 only)
◆ Available in DIP8 and SOP8 packages,RoHS compliant

Applications: 

◆ LCD Monitor/TV Power
◆ DVD Power
◆ Notebook Adapter
◆ PC/TV/Set-Box Power


Typical Application:

中小功率昂宝ICOB2268.jpg

OB2278/OB2279

PWM Control IC with Latch Shutdown

 

OB2278/OB2279 is a highly integrated high performance PWM controller IC used in AC/DC switch 

mode power supply applications. Incorporated with On-Bright patented proprietary technology,

OB2278/OB2279 helps to achieve low system standby power and high efficiency at reduced BOM 

cost. OB2278/OB2279 features variable latch shutdown protection options. Frequency shuffling 

technique is implemented in OB2279 to reduce challenge in system EMI design.


Features: 

◆ Built-in power on soft start to reduce power MOSFET requirement
◆ VDD over voltage protection(OVP) – latch shutdown
◆ Over temperature protection(OTP) – auto recovery or latch shutdown
◆ High integration with low BOM count
◆ Extended burst mode control for improved efficiency and low standby power design
◆ Audio Noise Free Operation
◆ Internal Synchronized Slope Compensation
◆ Leading Edge Blanking on Current Sense Input
◆ VDD Under Voltage Lockout with Hysteresis (UVLO)
◆ Over Load Protection(OLP) – Auto Recovery or Latch Shutdown
◆ Built-in OCP Compensation to Achieve small OPP Variation over Universal AC Input Range
◆ Flexible Latch Shutdown Combinations: OVP; OVP+OTP; OVP+OTP+OLP
◆ Available in DIP8 and SOP8 packages,RoHS compliant



Applications: 

◆ LCD Monitor, LCD TV
◆ Notebook Adapter
◆ Open-Frame SMPS

Typical Application:

中小功率昂宝ICOB2278.jpg

 

OB2287/OB2288

High Power PWM Control IC


OB2287/OB2288 is a high performance PWM control IC designed for high power AC/DC switch-mode 

power supply applications. OB2287 is designed for flyback applications while OB2288 is for 

forward mode with maximum duty cycle of 50%. OB2287/OB2288 is optimized by incorporating 

erformance and protection features to support customer requirements with reduced application

complexity, reduced BOM cost and reduced design cycle time.

Features: 

◆ 1500mA gate drive capability with optimized drive control 

◆ Built in brown out/recovery control to improve system reliability without adding extra cost

◆ Power on soft start
◆ Built-in leading edge blanking(LEB) at sense input
◆ Frequency shuffling for system EMI improvement
◆ Wide VDD input range with VDD OVP latch and clamp protections.
◆ Noise immunity design
◆ Internal selectable latch shutdown to improve system reliability 
◆ Available in DIP8 and SOP8 packages,RoHS compliant

Applications: 

◆ LCD TV, LCD Monitor 
◆ Printer Power
◆ Power Adapter 
◆ PC Power
◆ Notebook Adapter

Typical Application:

中小功率昂宝ICOB2287.jpg

OB2298     

Current Mode PWM Controller with Built-in PFC Power Control OB2298 is designed with On-Bright GreenEngineTM Technology to deliver overall low standby power and excellent efficiency 

in meeting various international requirements. It integrates PFC IC power control functions by 

supply PFC IC power and shut it down at no load or light load conditions. OB2298 is compatible

 with main stream PFC IC 

in the market. 


Features: 

◆ PFC IC power control function integrated
◆ Shutdown PFC IC at no/light load condition for lower standby power and better efficiency control
◆ Built in brown out/recovery control to improved system reliability without adding extra cost
◆ 1500mA gate drive capacity
◆ Built-in 4ms soft start 
◆ Built-in 1s timer for auto-recovery after error shutdown
◆ Frequency shuffling technology for EMI improvement
◆ Pin open/short protection
◆ Current mode control with internal slope compensation and leading edge blank at CS input
◆ Internal selectable latch shutdown for improved system reliability
◆ Available in DIP8 and SOP8 packages,RoHS compliant

Applications: 

◆ Notebook Adapter
◆ LCD Monitor Power
◆ LCD TV Power and Home Appliance Power
◆ Printer Power


Typical Application:

中小功率昂宝ICOB2298.jpg

中小功率昂宝IC优势.jpg

中小功率昂宝IC代理证书.jpg

中小功率昂宝IC客户案例.jpg

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