L6566B - ST Microelectronics

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

L6566B
Manufacturer

ST Microelectronics
ChipWorker Part#

CW22803590
Category

AC to DC Converter, AC/DC Power Module
Package

NSOIC-16
Description

Current Mode PWM Controller 800mA 107kHz 16Pin SO N Tube
Documentation

Datasheet

L6566B Global Supplier

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L6566B Specifications

Attribute	Attribute Value

Part Number	L6566B
Manufacturer	ST Microelectronics
ChipWorker Part#	CW22803590
Category	AC to DC Converter, AC/DC Power Module
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	NSOIC-16
Supply Voltage (DC)	10.6V (min)
Power Rating	750 mW
Output Voltage	5 V
Output Current	800 mA
Supply Current	4.6 mA
Number of Positions	16 Position
Power Dissipation	0.75 W
Rise Time	50 ns
Output Power	750 mW
Switching Frequency	10kHz ~ 300kHz
Thermal Resistance	120 ℃/W
Duty Cycle	75 %
Maximum Duty Cycle	75 %
Fall Time	40 ns
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-25 ℃
Power Dissipation (Max)	750 mW
Supply Voltage (Max)	23 V
Supply Voltage (Min)	10.6 V
Input Voltage	8V ~ 23V
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Size-Length	10 mm
Size-Width	4 mm
Size-Height	1.65 mm
Operating Temperature	-40℃ ~ 150℃ (TJ)
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/12/17
ECCN Code	EAR99

Product Description

The L6566B is an extremely versatile current-mode primary Pulse Width Modulation (PWM) Controller specifically designed for high-performance offline flyback converters. It is also suited for single-stage single-switch input-current-shaping converters (single-stage PFC) for applications supposed to comply with EN61000-3-2 or JEITA-MITI regulations. Both fixed-frequency (FF) and quasi-resonant (QR) operation are supported. The device features an externally programmable oscillator, it defines converter"s switching frequency in FF mode and the maximum allowed switching frequency in QR mode. When FF operation is selected, the ICs work like a standard current-mode controller with a maximum duty cycle limited at 70% minimum. The oscillator frequency can be modulated to mitigate EMI emissions. QR operation, when selected, occurs at heavy load and is achieved through a transformer demagnetization sensing input that triggers MOSFET"s turn-on.
Selectable multi-mode operation - fixed frequency or quasi-resonant
Advanced light load management
Low quiescent current (<3mA)
Adaptive UVLO
Line feedforward for constant power capability vs mains voltage
Pulse-by-pulse OCP, shutdown on overload (latched or autorestart)
Transformer saturation detection
Programmable frequency modulation for EMI reduction
Latched or autorestart OVP
Brownout protection

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- Vacuum packed
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- Anti-vibration foam
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