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ML4800CP

IC,PWM/PFC CONTROL,CURRENT/VOLT,PDIP-16

ON SEMICONDUCTOR ML4800CP

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Manufacturer Part No:
ML4800CP
Order Code:
1013883
Technical Datasheet:
ML4800CP   Datasheet
See all Technical Docs

Product Overview

The ML4800CP is a CCM PFC + PWM Combination Controller for power factor corrected and switched mode power supplies. The 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 IEC1000-3-2 specification. Intended as a BiCMOS version of the industry-standard ML4824, the ML4800 includes circuits for the implementation of leading edge, average current, boost type power factor correction and a trailing edge, pulse width modulator (PWM). It also includes a TriFault Detec™ function to help ensure that no unsafe conditions will result from single component failure in the PFC. Gate-drivers with 1A capabilities minimize the need for external driver circuits. Low power requirements improve efficiency and reduce component costs. An overvoltage comparator shuts down the PFC section in the event of a sudden decrease in load.
  • Internally synchronized leading-edge PFC and trailing-edge PWM in one IC
  • TriFault Detect™ for UL1950 compliance and enhanced safety
  • Slew rate enhanced trans conductance error amplifier for ultra-fast PFC response
  • Low total harmonic distortion, high PF
  • Reduced ripple current in storage capacitor between PFC and PWM sections
  • Average current, continuous boost leading edge PFC
  • PWM configurable for current-mode or voltage mode operation
  • Current fed gain modulator for improved noise immunity
  • Overvoltage and brown-out protection, UVLO and soft start

Applications

Power Management

Product Information

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:
13V

:
11V

:
16.5V

:
200µA

:
5.5mA

:
DIP

:
16Pins

:
95%

:
250kHz

:
0°C

:
70°C

:
-

:
-
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Technical Docs (3)

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