L6564T Datasheet PDF - STMicroelectronics
| Part Number | L6564T | |
| Description | 10-pin transition-mode PFC controller | |
| Manufacturers | STMicroelectronics | |
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There is a preview and L6564T download ( pdf file ) link at the bottom of this page. Total 30 Pages | ||
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L6564T
10-pin transition-mode PFC controller
Features
■ Guaranteed for extreme temperature range
(outdoor)
■ Fast “bi-directional” input voltage feedforward
(1/V2 correction)
■ Accurate adjustable output overvoltage
protection
■ Protection against feedback loop
disconnection (latched shutdown)
■ Inductor saturation protection
■ AC brownout detection
■ Low (≤100 µA) startup current
■ 6 mA max. operating bias current
■ 1% (@ TJ = 25 °C) internal reference voltage
■ -600/+800 mA totem pole gate driver with
active pull-down during UVLO
■ SSOP10 package
SSOP10
Applications
■ PFC pre-regulators for:
– High-end AC-DC adapter/charger
– Desktop PC, server, web server
– IEC61000-3-2 or JEITA-MITI compliant
SMPS
■ SMPS for LED luminaires
Figure 1.
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January 2012
Doc ID 022671 Rev 1
1/33
www.st.com
33
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L6564T
1 Description
Description
The L6564T is a current-mode PFC controller operating in transition mode (TM) and
represents the compact version of the L6563S as it embeds the same driver, reference and
control stages in a very compact 10-pin SO package.
The highly linear multiplier, along with a special correction circuit that reduces crossover
distortion of the mains current, allows wide-range-mains operation with an extremely low
THD even over a large load range.
The output voltage is controlled by means of a voltage-mode error amplifier and an accurate
(1% @TJ = 25 °C) internal voltage reference. The loop stability is optimized by the voltage
feedforward function (1/V2 correction), which in this IC uses a proprietary technique that
also considerably improves line transient response in case of both mains drops and surges
(“bidirectional”).
In addition to overvoltage protection able to control the output voltage during transient
conditions, the IC also provides protection against feedback loop failures or erroneous
settings. Other on-board protection functions allow brownout conditions and boost inductor
saturation to be safely handled.
The totem-pole output stage, capable of a 600 mA source and 800 mA sink current, is
suitable for a high power MOSFET or IGBT drive. This, combined with the other features
and the possibility to operate with ST's proprietary fixed-off-time control, makes the device
an excellent solution for SMPS up to 400 W that requires compliance with EN61000-3-2 and
JEITA-MITI standards.
Doc ID 022671 Rev 1
5/33
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for L6564T electronic component. |
| Information | Total 30 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ L6564T.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | MFRS |
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