RequiredTHX203H
Category: IC Chips
Description： Topstek Current Transducer
Price range ($)
0.23744 0.74200
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Returning
Returns are normally accepted when completed within 60 days from the date of the parcel delivered.
Defective ( Please provide a third party quality report of nonconforming products)
Return Freight charges must be prepaid; we will not accept COD shipments.
Warranty
All UTSOURCE purchases have a 60 days money back return policy, plus a 90 days UTSOURCE warranty against any manufacturing defects.This warranty shall not apply to any item where defects have been caused by improper customer assembly, failure by customer to follow instructions, product modification, negligent or improper operation.
THX203H
THX203H has several brands around the world that may have alternate names for THX203H due to regional differences or acquisition. THX203H may also be known as the following names:
All sellers
3
Brand new
3
Certified preowned
3
Official
3
Third Party
3
Description
THX203H
Stock:33937 |
THX |
Topstek Current Transducer |
≥1: US $0.74200 US $0.66780 ≥5: US $0.59360 US $0.53424 ≥10: US $0.34132 US $0.30719 ≥20: US $0.29680 US $0.26712 ≥50: US $0.26712 US $0.24041 ≥100: US $0.25970 US $0.23373 ≥200: US $0.25228 US $0.22705 ≥500: US $0.24486 US $0.22037 ≥1000: US $0.23744 US $0.21370
More:
Inquiry
|
THX203H
Stock:67 |
THX 09+ |
Topstek Current Transducer |
≥1: US $0.67056 US $0.60350
More:
Inquiry
|
|
THX203H
Stock:25 |
THX 0721+ |
Topstek Current Transducer |
≥1: US $0.67056 US $0.63033
More:
Inquiry
|
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. The startup circuit inside IC is designed as a particular current inhalation way, so it can start up with the magnification function of the power switch tube itself, which lessens the power consumption for starting the resistance remarkably; when the output power is lower, IC will reduce the working frequeney automatically, therefore, the standby power consumption becomes extremely low. When the power tube is closed, the interior circuit will bias it reversely, utilize the characteristic of high pressure resistance CB of bipolar transistor directly, and improve its pressure resistance capacity to the high voltage of 700V, which ensures the security of the power tube.
Meanwhile, the perfect function of overload and saturation prevention is provided inside of IC, which can keep away some abnormal status, such as overload, saturation of transformer, and output short circuit,so as to improve the reliability of the power supply.The current limit and clock frequency can be set up by exterior components.
Now the standard encapsulation and the environmental protection leadless encapsulation that meets European standard of DIP8 are supplied.
Characteristics
● Set-in high-voltage power switch tube of 700V and few peripheral components
● With the modulation of lock pulse width, the testing is according to the pulse limit current.
● With the function of output frequency reduction, the non-output power consumption can be less than 0.3 W.
● Inner-built ramp and anti-feedback compensation function
● The independent upper-limit current testing controller deals with over-current and over-load of the controller real-timely.
● The period emission pole is turned off and it outputs by deflected voltage, and the pressure resistance of the power tube is improved.
● Set-in current limit resistance with temperature compensation,which makes the current limit precise
● Set-in heat protection circuit
● Startup is accomplished with the magnification function of the switch power tube, and the power consumption of startup resistance is reduced more than10 times.
● Few peripheral components
● Low startup and operating current
● VCC over-voltage automatic limit
● Continuous wide-voltage output power reaches 12W, and the output power of peak value arrives at 18W.
Applied Field
● Adaptor (for example, travel charger, out power station)
● Open Frame (for example, DVD, DVB)
E-catalog
Freight calculation
Express:(FEDEX, UPS, DHL, TNT)Free shipping on first 0.5kg for orders over 200$,Overweight will be charged separately
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