Controller

OZL68GN Datasheet – Backlight Inverter Controller – O2Micro

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Part Number: OZL68GN

Manufacturer: O2Micro

Function: Backlight Inverter Controller IC

Package: SOP 20 Pin

Image: OZL68GN image

Description

The OZL68GN is a high performance, cost-effective CCFL (Cold Cathode Fluorescent Lamp) controller designed for driving large-size Liquid Crystal Display(LCD) applications requiring 2 to 6 CCFLs. The controller converts unregulated DC voltages into a nearly sinusoidal lamp voltage and current waveforms. The control logic provides a regulated ignition voltage and appropriate protection features for over-voltage or over-current conditions.

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OZL68GN Datasheet

OZL68GN Datasheet

OZL68GN pdf

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L6598D Datasheet – Resonant Controller – STMicroelectronics

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Part Number: L6598D

Function: HIGH VOLTAGE RESONANT CONTROLLER

Category :

Power Management  > AC-DC Converters > Resonant Controllers > L6598

Package: L6598 Dip 16 pin Type, L6598D SMD 16 pin Type

Manufacturer: STMicroelectronics

Image:
L6598D

Description :

The L6598 device is manufactured with the BCD™ offline technology, able to ensure voltage ratings up to 600 V, making it perfectly suited for AC/DC adapters and wherever a resonant topology can be beneficial. The device is intended to drive two power MOSFETs, in the classical half bridge topology. A dedicated timing section allows the designer to set soft-start time, soft-start and minimum frequency. An error amplifier, together with the two enable inputs, are made available. In addition, the integrated bootstrap diode and the Zener clamping on low voltage supply, reduces to a minimum the external parts needed in the applications.

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L6598D Datasheet

Features

1. High voltage rail up to 600 V
2. dV/dt immunity ±50 V/ns in full temperature range
3. Driver current capability: 250 mA source 450 mA sink
4. Switching times 80/40 ns rise/fall with 1 nF load
5. CMOS shutdown input
6. Undervoltage lockout
7. Soft-start frequency shifting timing
8. Sense op amp for closed loop control or protection features
9. High accuracy current controlled oscillator
10. Integrated bootstrap diode
11. Clamping on Vs

 

Officail Homepage : http://www.st.com/en/power-management/l6598.html

L6598D Datasheet