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Home ›  MM142 > ML4824CP1-ML4824CP2-ML4824CS1-ML4824CS1X-ML4824CS2-ML4824CS2X-ML4824IP1-ML4824IS1,Power Factor Correction (PFC) and PWM Controller Combo
ML4824CP1-ML4824CP2-ML4824CS1-ML4824CS1X-ML4824CS2 Fast Delivery,Good Price
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ML4824CP1FAIN/a93avaiPower Factor Correction (PFC) and PWM Controller Combo
ML4824CP2FAIRCHILD ?N/a25avaiPower Factor Correction (PFC) and PWM Controller Combo
ML4824CS1FAIN/a15avaiPower Factor Correction (PFC) and PWM Controller Combo
ML4824CS1FAIRCHILDN/a5959avaiPower Factor Correction (PFC) and PWM Controller Combo
ML4824CS1XFSC N/a965avaiPower Factor Correction (PFC) and PWM Controller Combo
ML4824CS2FAIRCHILD ?N/a13avaiPower Factor Correction (PFC) and PWM Controller Combo
ML4824CS2XFAIRCHILDN/a1344avaiPower Factor Correction (PFC) and PWM Controller Combo
ML4824IP1FSCN/a1000avaiPower Factor Correction (PFC) and PWM Controller Combo
ML4824IP1FAIRCHILDN/a295avaiPower Factor Correction (PFC) and PWM Controller Combo
ML4824IP1FAIN/a223avaiPower Factor Correction (PFC) and PWM Controller Combo
ML4824IP1FAIRCHILN/a500avaiPower Factor Correction (PFC) and PWM Controller Combo
ML4824IS1FAIRCHILN/a2826avaiPower Factor Correction (PFC) and PWM Controller Combo


ML4824CS1 ,Power Factor Correction (PFC) and PWM Controller Combo ML4824Power Factor Correction and PWM Controller Combo
ML4824CS1 ,Power Factor Correction (PFC) and PWM Controller Combo ML4824Power Factor Correction and PWM Controller Combo
ML4824CS-1 ,Power Factor Correction and PWM Controller ComboBLOCK DIAGRAM16 1 13VEAO IEAO POWER FACTOR CORRECTOR VCCVCCZOVPVV VEA REFFB13.5V+ 7.5VIEA143.5kΩ15 ..
ML4824CS-1 ,Power Factor Correction and PWM Controller ComboDecember 2000ML4824Power Factor Correction and PWM Controller Combo
ML4824CS-1 ,Power Factor Correction and PWM Controller ComboFEATURESThe ML4824 is a controller for power factor corrected, Internally synchronized PFC and PWM ..
ML4824CS1X ,Power Factor Correction (PFC) and PWM Controller ComboBlock Diagram16 1 13IEAO POWER FACTOR CORRECTOR VVEAOCCVCCZOVPVV REFVEAFB 13.5V7.5V+IEA143.5kΩ15 –R ..
MMBF2202PT1 ,P-CHANNEL ENHANCEMENT-MODE TMOS MOSFETMAXIMUM RATINGS (T = 25°C unless otherwise noted)JRating Symbol Value UnitDrain–to–Source Voltage V ..
MMBF2202PT1G ,Power MOSFET 300 mAmps, 20 VoltsMAXIMUM RATINGS (T = 25°C unless otherwise noted)JRating Symbol Value UnitDrain−to−Source Voltage V ..
MMBF4091 ,N-Channel Switch
MMBF4091 ,N-Channel Switch
MMBF4093 ,N-Channel Switch
MMBF4093 ,N-Channel Switch


ML4824CP1-ML4824CP2-ML4824CS1-ML4824CS1X-ML4824CS2-ML4824CS2X-ML4824IP1-ML4824IS1
Power Factor Correction (PFC) and PWM Controller Combo

Features
Internally synchronized PFC and PWM in one IC Low total harmonic distortion Reduces ripple current in the storage capacitor between
the PFC and PWM sections Average current, continuous boost leading edge PFC Fast transconductance error amp for voltage loop High efficiency trailing edge PWM can be configured for
current mode or voltage mode operation Average line voltage compensation with brownout
control PFC overvoltage comparator eliminates output
“runaway” due to load removal Current fed gain modulator for improved noise immunity Overvoltage protection, UVLO, and soft start
General Description

The ML4824 is a controller for power factor corrected,
switched mode power supplies. Power Factor Correction
(PFC) allows the use of smaller, lower cost bulk capacitors,
reduces power line loading and stress on the switching FETs,
and results in a power supply that fully complies with
IEC1000-2-3 specification. The ML4824 includes circuits
for the implementation of a leading edge, average current,
“boost” type power factor correction and a trailing edge,
pulse width modulator (PWM).
The device is available in two versions; the ML4824-1 (f
PWM
= f
PFC
) and the ML4824-2 (f
PWM
= 2 x f
PFC
). Doubling the
switching frequency of the PWM allows the user to design
with smaller output components while maintaining the best
operating frequency for the PFC. An over-voltage compara-
tor shuts down the PFC section in the event of a sudden
decrease in load. The PFC section also includes peak current
limiting and input voltage brown-out protection. The PWM
section can be operated in current or voltage mode at up to
250kHz and includes a duty cycle limit to prevent trans-
former saturation.
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