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TEA1507
General description
The GreenChipÔII is the second generation of green Switched Mode Power Supply (SMPS) controller ICs operating directly from the rectified universal mains. A high level of integration leads to a cost effective power supply with a very low number of external components.
The special built-in green functions allow the efficiency to be optimum at all power levels. This holds for quasi-resonant operation at high power levels, as well as fixed frequency operation with valley switching at medium power levels. At low power (standby) levels, the system operates at reduced frequency and with valley detection.
If burst mode operation is applied, the standby power level can even be reduced to below 1 W.
The proprietary high voltage BCD800 process makes direct start-up possible from the rectified mains voltage in an effective and green way. A second low voltage BICMOS IC is used for accurate, high speed protection functions and control.
Highly efficient, reliable supplies can easily be designed using the GreenChipÔII controller.
Features
Distinctive features
- Universal mains supply operation (70 to 276 V AC)
- High level of integration, giving a very low external component count.
Green features
- Valley/zero voltage switching for minimum switching losses
- Efficient quasi-resonant operation at high power levels
- Frequency reduction at low power standby for improved system efficiency (<3 W)
- Burst mode operation for very low standby levels (<1 W)
- On-chip start-up current source.
Protection features
- Safe restart mode for system fault conditions
- Continuous mode protection by means of demagnetization detection (zero switch-on current)
- Accurate and adjustable overvoltage protection
- Short winding protection
- Undervoltage protection (foldback during overload)
- Overtemperature protection
- Low and adjustable overcurrent protection trip level
- Soft (re)start
- Mains voltage-dependent operation-enabling level.
Products/packages
| Type number | North American Type number | Ordering code (12NC) | Product status | Package | Packing | Marking | Chemical content | Leadfree conversion date |
|---|---|---|---|---|---|---|---|---|
| TEA1507P/N1 | TEA1507PN | 9352 673 56112 | Volume production | SOT97-1
(DIP8) | Tube | Standard Marking | TEA1507P/N1
| Always Pb-free |
Pricing/ordering/availability
| Type number | Ordering code(12NC) | Indicative price/unit($) | Region | Distributor | In stock | Inventory date | Buy online | Samples |
|---|---|---|---|---|---|---|---|---|
| TEA1507P/N1 | 9352 673 56112 | 0.8900 | NA | DIGI-KEY CORPORATION | 1,250 | 11/29/2008 | Buy online | Order samples |
| NA | MOUSER ELECTRONICS | 132 | 11/29/2008 | Buy online |
Applications
Besides typical application areas, i.e. TV and Monitor supplies, the device can be used in all applications that demand an efficient and cost-effective solution up to 250 W.
Related applications
Notebook / LCD SMPS
PC supply (silverbox)
DVD / VCR SMPS
Set-top box SMPS
TV SMPS
50-60 Hz CRT integrated DTV (TV210D)
Mid-range integrated DTV (TV810)
Intelligent washing machine
PCI analog/DVB-T stereo TV receiver
LCD TV flyback power supply
Set-top box - MMS functionality
Design support
Application Notes
AN00057_1;
ECO-monitor (08-Nov-00)
Support Documents
75008721;
CRT Designer's Guide (2001-10-09)
75011993;
Delivering total design freedom (2003-09-01)
75011992;
GreenChip(tm) SMPS Control IC (2003-08-01)
75008436;
Power Supply solutions (2001-07-20)
Parametrics/similar products
| Type number | Package | Max supply(v) | Operating temp.(Cel) | Burst mode | High voltage start up source |
|---|---|---|---|---|---|
| TEA1507P/N1 | SOT97-1
(DIP8) | 20 | -25 to 70 | yes | yes |
Similar products
TEA1507
links to the similar products page containing an overview of products that are similar in
function or related to the type number(s) as listed on this page.
The similar products page includes products from the same catalog tree(s),
relevant selection guides and products from the same functional category.
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