L4984D

CCM PFC controller

STMicroelectronics

L4984D Features

* Line-modulated fixed-off-time (LM-FOT) control of CCM-operated PFC pre-regulators

* Proprietary LM-FOT modulator for nearly fixedfrequency operation

* Proprietary multiplier design for minimum THD of AC input current

* Fast “bi-directional” input voltage feedforward

L4984D General Description

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..

L4984D Datasheet (3.40 MB)

L4984D Datasheet Preview — Preview of L4984D PDF

Datasheet Details

Part number:

L4984D

Manufacturer:

STMicroelectronics ↗

File Size:

3.40 MB

Description:

Ccm pfc controller.
SSOP10 L4984D CCM PFC controller Datasheet - production data Table 1. Device summary Order code Package L4984D L4984DTR SSOP10 Packaging Tube.

📁 Related Datasheet

L4984 - CCM PFC controller (STMicroelectronics)
L4984 CCM PFC controller Features ■ Line-modulated fixed-off-time (LM-FOT) control of CCM-operated PFC pre-regulators ■ Proprietary LM-FOT modulator.

L4981A - POWER FACTOR CORRECTOR (STMicroelectronics)
L4981A ® L4981B POWER FACTOR CORRECTOR CONTROL BOOST PWM UP TO 0.99P.F. LIMIT LINE CURRENT DISTORTION TO < 5% UNIVERSAL INPUT MAINS FEED FORWARD LINE.

L4981B - POWER FACTOR CORRECTOR (STMicroelectronics)
L4981A ® L4981B POWER FACTOR CORRECTOR CONTROL BOOST PWM UP TO 0.99P.F. LIMIT LINE CURRENT DISTORTION TO < 5% UNIVERSAL INPUT MAINS FEED FORWARD LINE.

L4985 - CCM PFC controller (STMicroelectronics)
L4985 Datasheet CCM PFC controller with high voltage startup Features • Peak current mode CCM-operated • 800 V high voltage startup with integrated i.

L4986 - CCM PFC controller (STMicroelectronics)
L4986 Datasheet CCM PFC controller with high voltage startup Features • Peak current mode CCM-operated • 800 V high voltage startup with integrated i.

L4987 - VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT AND DROPOUT CONTROL FLAG (STMicroelectronics)
® L4987 SERIES VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT AND DROPOUT CONTROL FLAG s s s s s s s s s s VERY LOW DROPOUT VOLTAGE (0.25V TYP.) .

L4987CPT33TR - Very low drop voltage regulators (STMicroelectronics)
L4987Cxx Very low drop voltage regulators with inhibit and dropout control flag Features ■ Very low dropout voltage (0.25 V typ.) ■ Dropout control.

L4987CPT50TR - Very low drop voltage regulators (STMicroelectronics)
L4987Cxx Very low drop voltage regulators with inhibit and dropout control flag Features ■ Very low dropout voltage (0.25 V typ.) ■ Dropout control.

TAGS

L4984D CCM PFC controller STMicroelectronics

Image Gallery

L4984D Features

L4984D General Description

Datasheet Details

File Size:

Description:

L4984D Distributor