X-On Electronics has gained recognition as a prominent supplier of L6574 Gate Drivers across the USA, India, Europe, Australia, and various other global locations. L6574 Gate Drivers are a product manufactured by STMicroelectronics. We provide cost-effective solutions for Gate Drivers, ensuring timely deliveries around the world.

L6574 STMicroelectronics

L6574 electronic component of STMicroelectronics
L6574 STMicroelectronics
L6574 Gate Drivers
L6574  Semiconductors

Images are for reference only
See Product Specifications
Part No. L6574
Manufacturer: STMicroelectronics
Category: Gate Drivers
Description: Driver; ballast controller; Channels:1; DIP16; Package: tube
Datasheet: L6574 Datasheet (PDF)
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)
1: USD 2.086 ea
Line Total: USD 2.09 
Availability - 7
Ship by Mon. 27 Jan to Wed. 29 Jan
MOQ: 1  Multiples: 1
Pack Size: 1
Availability Price Quantity
7
Ship by Mon. 27 Jan to Wed. 29 Jan
MOQ : 1
Multiples : 1
1 : USD 2.086
3 : USD 1.876
10 : USD 1.666
25 : USD 1.554

   
Manufacturer
Product Category
Kind Of Integrated Circuit
Case
Mounting
Kind Of Package
Type Of Integrated Circuit
Dc Supplying Current
Number Of Channels
Operating Temperature
Bandwidth
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We are delighted to provide the L6574 from our Gate Drivers category, at competitive rates not only in the United States, Australia, and India, but also across Europe and beyond. A long established and extensive electronic component distribution network has enhanced our global reach and dependability, ensuring cost savings through prompt deliveries worldwide. Client satisfaction is at the heart of our business, where every component counts and every customer matters. Our technical service team is ready to assist you. From product selection to after-sales support, we strive to deliver a seamless and satisfying experience. Are you ready to experience the best in electronic component distribution? Contact X-ON Electronics today and discover why X-On are a preferred choice for the L6574 and other electronic components in the Gate Drivers category and beyond.

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L6574 CFL/TL BALLAST DRIVER PREHEAT AND DIMMING HIGH VOLTAGE RAIL UP TO 600V dV/dt IMMUNITY 50 V/ns IN FULL TEMPERATURE RANGE DRIVER CURRENT CAPABILITY: 250mA SOURCE 450mA SINK SO16N DIP16 SWITCHING TIMES 80/40ns RISE/FALL ORDERING NUMBERS: WITH 1nF LOAD L6574D L6574 CMOS SHUT DOWN INPUT UNDER VOLTAGE LOCK OUT PREHEAT AND FREQUENCY SHIFTING The device is intended to drive two power MOS- TIMING FETS, in the classical half bridge topology, ensur- SENSE OP AMP FOR CLOSED LOOP ing all the features needed to drive and properly CONTROL OR PROTECTION FEATURES control a fluorescent bulb. HIGH ACCURACY CURRENT CONTROLLED A dedicated timing section in the L6574 allows the OSCILLATOR user set the necessary parameters for proper pre- INTEGRATED BOOTSTRAP DIODE heat and ignition of the lamp. CLAMPING ON VS. Also, an OP AMP is available to implement closed SO16, DIP 16 PACKAGES loop control of the lamp current during normal lamp burning. DESCRIPTION An integrated bootstrap section, eliminating the nor- mally required bootstrap diode and the zener clamp- In order to ensure voltage ratings in excess of ing on Vs, makes the L6574 well suited for low cost 600V, the L6574 is manufactured with BCD OFF applications where few additional components are LINE technology, which makes it well suited for needed to build a high performance ballast. lamp ballast applications. BLOCK DIAGRAM H.V. V S OP AMP V BOOT + OPOUT - BOOTSTRAP HVG UV HVG OPIN- C BOOT DRIVER DETECTION DRIVER OPIN+ LOAD OUT Imin V REF LEVEL V S DEAD DRIVING SHIFTER TIME LOGIC LVG Ifs Ipre LVG DRIVER R ING Imax V GND REF + Vthpre - V THE + R - EN1 PRE + CONTROL LOGIC - V THE + - EN2 VCO Cf D97IN493A C PRE September 2003 1/10L6574 PIN CONNECTION (top view) CPRE 1 16 VBOOT RPRE 2 15 HVG CF 3 14 OUT RING 4 13 N.C. OPOUT 5 12 V S OPIN- 6 11 LVG OPIN+ 7 10 GND EN1 8 9 EN2 D97IN492 THERMAL DATA Symbol Parameter DIP16 SO16N Unit R Thermal Resistance Junction to ambient Max. 80 120 C/W th j-amb PIN DESCRIPTION N Pin Function 1 CPRE Preheat Timing Capacitor. The capacitor C sets the preheating and the frequency shift time, PRE according to the relations: t = K C and t = K C (typ. K = 1.5s/F, K = PRE PRE PRE SH FS PRE PRE FS 0.15s/F). This feature is obtained by charging CPRE with two different currents. During tPRE this current is independent of the external components, so CPRE is charged up to 3.5V (preheat the current depends on R value (i.e. on the differ- timing comparator threshold). During t SH PRE ence between f and f ). In this way t is always set at 0.1t . In steady state the voltage PRE IGN SH PRE at pin 1 is 5V. 2 RPRE Maximum Oscillation Frequency Setting. The resistance connected between this pin and ground sets the fPRE value, fixing the difference between f and f (f > f ). At the end of the PRE IGN PRE IGN Start-up procedure, the effect current drown from R is over. The voltage at this pin is fixed at PRE V =2V. REF 3 CF Oscillator Frequency Setting. The capacitor C , along with to R and R , sets f and f . F PRE IGN PRE ING In normal operation this pin shows a triangular wave. 4 RIGN Minimum Oscillation Frequency Setting. The resistance connected between this pin and ground sets the f value. The voltage at this pin is fixed at V =2V. IGN REF 5 OPout Out of the operational amplifier. To implement a feedback control loop this pin can be connected to the RIGN pin by means an appropriate circuitry. 6 OPin- Inverting Input of the operational amplifier. 7 OPin+ Non Inverting Input of the operational amplifier. 8 EN1 Enable 1. This pin (active high), forces the device in a latched shutdown state (like in the under voltage conditions). There are two ways to resume normal operation: the first is to reduce the supply voltage below the undervoltage threshold and then increase it again until the valid supply is recognised. the second is activating EN2 input. The enable 1 is especially designed for strong fault (e.g. in case of lamp disconnection). 2/10

Tariff Desc

8542.39.23 No ..Linear/analogue and peripheral integrated circuits, timers, voltage regulators, A/D and D/A converters, telecommunication and modem integrated circuits, other than board level products Free

Electronic integrated circuits- Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits
C-Max (VA)
SG3
ST
ST MICROELECTRONICS
ST2
ST7
STM
STMICRELECTRONICS
STN
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