L6585DE STMicroelectronics, L6585DE Datasheet - Page 13

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L6585DE

Manufacturer Part Number
L6585DE
Description
IC CTRL PFC/BALLAST COMBO 20-SOI
Manufacturer
STMicroelectronics
Type
PFC/Ballast Controllerr
Datasheet

Specifications of L6585DE

Frequency
58.4 ~ 62 kHz
Current - Supply
7mA
Current - Output
600mA
Voltage - Supply
11 V ~ 16 V
Operating Temperature
-40°C ~ 150°C
Package / Case
SO-20
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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L6585DE
4
Device description
The L6585DE embeds a high performance PFC controller, a ballast controller and all the
relevant drivers necessary to build an electronic ballast.
The PFC section achieves current mode control operating in transition mode, offering a
highly linear multiplier including a THD optimizer that allows for an extremely low THD, even
over a large range of input voltages and loading conditions.
The PFC output voltage is controlled by means of a voltage-mode error amplifier and a
precise internal voltage reference.
The ballast controller offers the designer a very precise oscillator, a logic that manages all
the operating steps and a full set of protection features:
High current capability drivers for both the PFC (300 mA source and 600 mA sink) and the
half-bridge (290 mA source and 480 mA sink) also allow ballast designs for very high output
power (up to 160 W).
Programmable end-of-life detection, compliant with both lamp-to-ground and capacitor-
to-ground configurations
Over-current protection with either current limiting or choke saturation protection
Hard switching events detection
Device description
13/33

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