DS3992Z-18P

更新时间： 2024-11-07 03:13:15

品牌	Logo	应用领域
美信 - MAXIM		控制器
页数	文件大小	规格书
13页	226K
描述
Two-Channel, Push-Pull CCFL Controller

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DS3992Z-18P 数据手册

Rev 0; 9/06

Two-Channel, Push-Pull CCFL Controller

DS392

General Description

Features

ꢀ Two-Channel CCFL Controller for Backlighting

The DS3992 is a low-cost, two-channel controller for

cold-cathode fluorescent lamps (CCFLs) that are used

to backlight liquid crystal displays (LCDs). The DS3992

can drive multiple CCFLs per channel, making it ideal

for 4- and 6-lamp LCD PC monitor and TV applications.

LCD Panels for PC Monitors and LCD-TVs

ꢀ Minimal BOM Provides Low-Cost Inverter Solution

ꢀ Per-Channel Lamp Fault Monitoring for Lamp-

Open, Lamp Overcurrent, Failure to Strike, and

Overvoltage Conditions

The DS3992 uses a push-pull drive scheme to convert a

ꢀ Accurate (±±10% On-Board Oscillator for Lamp

DC voltage (5V to 24V) to the high voltage (300V

RMS

Frequency (41kHz to 81kHz%

1400V

) AC waveform that is required to power the

RMS

CCFLs. The push-pull drive scheme uses a minimal

number of external components, which reduces compo-

nent and assembly cost and makes the printed circuit

board (PC board) design easy to implement. The push-

pull drive scheme also provides an efficient DC-to-AC

conversion and produces near-sinusoidal waveforms.

ꢀ Accurate (±±10% On-Board Oscillator for DPꢀM

Burst-Dimming Frequency (91Hz to 221Hz or

±81Hz to 441Hz%

ꢀ Device Supply Undervoltage Lockout

ꢀ Inverter Supply Undervoltage Lockout

ꢀ Burst-Dimming Soft-Start Minimizes Audible

Transformer Noise

ꢀ Strike Frequency Boost

Applications

ꢀ ±110 to < ±10 Dimming Range

ꢀ 4.5V to 5.5V Single-Supply Operation

ꢀ -41°C to +85°C Temperature Range

ꢀ ±6-Pin SO Package (±51 mils%

LCD PC Monitors

LCD-TVs

Ordering Information

DIMMING

FREQUENCY RANGE

PART

TEMP RANGE

BRIGHT POLARITY

PIN-PACKAGE

DS3992Z-09P+

-40°C to +85°C

90Hz to 220Hz

180Hz to 440Hz

90Hz to 220Hz

180Hz to 440Hz

Positive

Negative

Positive

Negative

Positive

Negative

Positive

Negative

16 SO-16 (150 mils)

DS3992Z-09N+

DS3992Z-18P+

DS3992Z-18N+

DS3992Z-09P+T&R

DS3992Z-09N+T&R

DS3992Z-18P+T&R

DS3992Z-18N+T&R

+Denotes lead-free package.

T&R denotes tape-and-reel package.

Pin Configuration

TOP VIEW

LOSC

POSC

BRIGHT

SVM

14 OVD2

LCM2

12 GB2

Typical Operating Circuits appear at end of data sheet.

DS3992

GA1

GA2

GB1

LCM1

OVD1

GND

SO-±51

______________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

±-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...13

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与DS3992Z-18P相关器件

型号	品牌	获取价格	描述	数据表
DS3992Z-18P+	MAXIM	获取价格	Two-Channel, Push-Pull CCFL Controller
DS3992Z-18P+R	MAXIM	获取价格	Two-Channel, Push-Pull CCFL Controller
DS3992Z-18P+T	MAXIM	获取价格	Two-Channel, Push-Pull CCFL Controller
DS3992Z-18P+T&R	MAXIM	获取价格	Fluorescent Light Controller, 80kHz Switching Freq-Max, PDSO16, 0.150 INCH, LEAD FREE, SOP
DS3992Z-18P+T&R	MAXIM	获取价格	Two-Channel, Push-Pull CCFL Controller
DS3994	MAXIM	获取价格	4-Channel Cold-Cathode Fluorescent Lamp Controller
DS3994Z+	MAXIM	获取价格	4-Channel Cold-Cathode Fluorescent Lamp Controller
DS3994Z+T&R	MAXIM	获取价格	Fluorescent Light Controller, 80kHz Switching Freq-Max, PDSO28, 0.300 INCH, LEAD FREE, SOP
DS3994Z+W	MAXIM	获取价格	Fluorescent Light Controller, PDSO28, SOP-28
DS3-XX05	RSG	获取价格	Single output unregulated DC/DC converters 1W

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