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DS3991Z+T&R/HB

更新时间： 2024-11-09 18:41:43
品牌 Logo 应用领域
美信 - MAXIM 光电二极管
页数 文件大小 规格书
16页 468K
描述
Fluorescent Light Controller, 80kHz Switching Freq-Max, PDSO16, 0.150 INCH, LEAD FREE, SOP-16

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DS3991Z+T&R/HB 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：SOIC
包装说明：SOP, SOP16,.25针数：16
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.31.00.01风险等级：5.84
模拟集成电路 - 其他类型：FLUORESCENT LIGHT CONTROLLER最大输入电压：5.5 V
最小输入电压：4.5 V标称输入电压：5 V
JESD-30 代码：R-PDSO-G16长度：9.9 mm
功能数量：1端子数量：16
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装等效代码：SOP16,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：NOT SPECIFIED
电源：5 V认证状态：Not Qualified
座面最大高度：1.75 mm子类别：Switching Regulator or Controllers
标称供电电压 (Vsup)：5 V表面贴装：YES
切换器配置：PUSH-PULL最大切换频率：80 kHz
温度等级：INDUSTRIAL端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：3.9 mm
Base Number Matches：1

DS3991Z+T&R/HB 数据手册

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Rev 1; 2/08  
Low-Cost CCFL Controller  
DS391  
General Description  
Features  
♦ CCFL Controller for Backlighting LCD Panels  
The DS3991 is a controller for cold-cathode fluorescent  
lamps (CCFLs) that are used to backlight liquid-crystal  
displays (LCDs). The DS3991 is available for both  
push-pull and half-bridge drive topologies.  
♦ Minimal External Components Required  
♦ Lamp Fault Monitoring for Lamp-Open, Lamp-  
Overcurrent, Failure-to-Strike, and Overvoltage  
Conditions  
The DS3991 converts a DC voltage (5V to 24V) to the  
high-voltage (300V  
to 1400V  
) AC waveform that  
RMS  
RMS  
♦ Accurate (±±5% On-Board Oscillator for Lamp  
is required to power the CCFLs. The push-pull and half-  
bridge drive schemes use a minimal number of external  
components, which reduces component and assembly  
cost and makes the printed circuit board (PCB) design  
easy to implement. Both drive schemes provide an effi-  
cient DC to AC conversion and produce near-sinu-  
soidal waveforms.  
Frequency (40kHz to 80kHz%  
♦ Accurate (±±5% On-Board Oscillator for DPꢀM  
Burst-Dimming Frequency (80Hz to 300Hz%  
♦ Device Supply Undervoltage Lockout  
♦ Inverter Supply Undervoltage and Overvoltage  
Lockouts  
♦ Soft-Start on Burst-Dimming Minimizes Audible  
Transformer Noise  
Applications  
♦ Strike Frequency Boost  
LCD PC Monitors  
LCD TVs  
♦ 1005 to < 105 Dimming Range  
♦ Low Cost  
♦ Single-Supply Operation Range: 4.±V to ±.±V  
♦ Temperature Range: -40°C to +8±°C  
♦ 16-Pin SO Package (1±0 mils%  
Ordering Information  
PART  
CONFIGURATION  
Push-Pull  
TEMP RANGE  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
DIMMING FREQUENCY RANGE (Hz) PIN-PACKAGE  
DS3991Z+PP  
80 to 300  
80 to 300  
80 to 300  
80 to 300  
16 SO (150 mils)  
16 SO (150 mils)  
16 SO (150 mils)  
16 SO (150 mils)  
DS3991Z+T&R/PP  
Push-Pull  
DS3991Z+HB  
Half-Bridge  
Half-Bridge  
DS3991Z+T&R/HB  
+Denotes a lead-free package.  
T&R = Tape and reel.  
Pin Configuration  
TOP VIEW  
SVML  
SVMH  
SLOPE  
1
2
3
4
5
6
7
8
16  
15  
VCC  
VCC  
14 VCC  
13 GND  
12 OVD  
11 LCM  
Typical Operating Circuits appear at end of data sheet.  
VCC  
DS3991  
LOSC  
POSC/PWM  
BRIGHT  
PWM_EN  
GB  
GA  
10  
9
SO  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  
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