L6574D - ST Microelectronics

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

Part No

L6574D
Manufacturer

ST Microelectronics
ChipWorker Part#

CW8358633
Category

FET Driver
Package

SOIC-16
Description

MOSFET DRVR 600V 0.45A 2Out Hi/Lo Side Half Brdg Inv/Non-Inv 16Pin SO
Documentation

Datasheet

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L6574D Specifications

Attribute	Attribute Value

Part Number	L6574D
Manufacturer	ST Microelectronics
ChipWorker Part#	CW8358633
Category	FET Driver
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	SOIC-16
Frequency	60kHz ~ 120kHz
Supply Voltage (DC)	16.6V (max)
Number of Outputs	2 Output
Output Voltage	618 V
Output Current	450 mA
Supply Current	2 mA
Number of Positions	16 Position
Rise Time	120 ns
Fall Time	80 ns
Fall Time (Max)	80 ns
Fall Time (Max)	120 ns
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	10V ~ 15.6V
Supply Voltage (Max)	15.6 V
Supply Voltage (Min)	10 V
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Operating Temperature	-40℃ ~ 125℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Contains Lead
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/12/17
ECCN Code	EAR99

Product Description

The L6574D is a preheat and dimming CFL/TL Ballast Driver with BCD offline technology. The device is intended to drive two power MOSFETS, in the classical half bridge topology, ensuring all the features needed to drive and properly control a fluorescent bulb. A dedicated timing section in the L6574 allows the user set the necessary parameters for proper preheat and ignition of the lamp. Also, an OP AMP is available to implement closed loop control of the lamp current during normal lamp burning. An integrated bootstrap section, eliminating the normally required bootstrap diode and the Zener clamping on Vs, makes the L6574 well suited for applications where few additional components are needed to build a high performance ballast.
CMOS shutdown input
Under-voltage lock out
Preheat and frequency shifting timing
Sense op amp for closed loop control or protection features
High accuracy current controlled oscillator
Integrated bootstrap diode
dV/dt immunity of ±50V/ns in full temperature range
Driver current capability - 250mA Source and 450mA sink
80/40ns Rise/fall switching time
1nF load

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