Datasheet > OZ962G

OZ962G

更新时间： 2024-11-30 22:27:43

品牌	Logo	应用领域
其他 - ETC		控制器
页数	文件大小	规格书
6页	54K
描述
High-Efficiency Inverter Controller

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OZ962G 数据手册

OZ962

High-Efficiency Inverter Controller

GENERAL DESCRIPTION

FEATURES

The OZ962 is a unique high-efficiency, CCFL

backlight controller. It generates symmetrical,

near sinusoidal output voltage and current

waveforms for driving a CCFL backlight. The

OZ962 operates in a single, constant frequency,

pulse-width-modulation (PWM) mode. Typical

operating frequency ranges between 30 KHz to

100 KHz, depending on the CCFL and the

transformer’s characteristics.

Single-stage power conversion, input voltage

range of 5V to 18V

Reduces the number of components and board

size by 30% compared with conventional design

Supports both floating and grounded secondary

designs

90% efficiency vs. typical 75% efficiency of

conventional designs

Internal open-lamp and short-circuit protections

Wide dimming range

Supports synchronization among multiple

inverter modules

Reliable 2-winding transformer design,

eliminates arcing problems

Constant frequency, symmetrical, sinusoidal

drive

Operating in a PWM push-pull manner, the

transformer in the OZ962 backlight inverter

requires only one primary winding and one

secondary winding, with the secondary winding

requiring no fold-back treatment.

The OZ962 is available in both 16-pin SOIC and

TSSOP packages. It is specified over the

commercial temperature range: 0 C to +70 C.

ORDERING INFORMATION

OZ962R - 16 lead TSSOP

OZ962G - 16-pin plastic SOP

TYPICAL APPLICATION CIRCUIT

1A Fast Fuse

VDD (+12V)

ENA

22u

25V

R10

100

GND

CN1

10K

REF

VDD

OZ962G

68p

3KV

33T

2200T

0.22u

OVP

C6 2.2u

50V

3.5W

220K 200K C9

5,6

.01u

100K

SI4559EY

SCP

ADJ

CLK

ENA

NDR

PDR

SST

R14

220p

7,8

10K

1.0K

5.1K

0.1u

CMP

GND

330p

0.1u

0.5

R11

15K

R12

750

R13

100

Figure 1. Typical Floating Secondary Application

03/01/00

OZ962-SF-2.7

Page 1

U.S. Patent #5,619,402

12 3 4 5 6

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