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5962-9462201Q2A

更新时间： 2024-01-04 09:51:02

品牌	Logo	应用领域
德州仪器 - TI		驱动器稳压器开关式稳压器或控制器电源电路开关式控制器
页数	文件大小	规格书
14页	1014K
描述
Resonant Fluorescent Lamp Driver

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技术参数
数据手册

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5962-9462201Q2A 技术参数

生命周期：	Obsolete	零件包装代码：	QLCC
包装说明：	QCCN,	针数：	20
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.75
Is Samacsys：	N	模拟集成电路 - 其他类型：	FLUORESCENT LIGHT CONTROLLER
控制模式：	CURRENT-MODE	控制技术：	RESONANT CONTROL
最大输入电压：	20 V	最小输入电压：	4.5 V
标称输入电压：	5 V	JESD-30 代码：	S-CQCC-N20
JESD-609代码：	e0	长度：	8.89 mm
功能数量：	1	端子数量：	20
最高工作温度：	125 °C	最低工作温度：	-55 °C
封装主体材料：	CERAMIC, METAL-SEALED COFIRED	封装代码：	QCCN
封装形状：	SQUARE	封装形式：	CHIP CARRIER
认证状态：	Not Qualified	筛选级别：	MIL-PRF-38535 Class Q
座面最大高度：	2.03 mm	表面贴装：	YES
切换器配置：	PUSH-PULL	最大切换频率：	78 kHz
温度等级：	MILITARY	端子面层：	TIN LEAD
端子形式：	NO LEAD	端子节距：	1.27 mm
端子位置：	QUAD	宽度：	8.89 mm
Base Number Matches：	1

5962-9462201Q2A 数据手册

UC1871

UC2871

UC3871

Resonant Fluorescent Lamp Driver

FEATURES

DESCRIPTION

•

1µA ICC when Disabled

The UC1871 Family of IC’s is optimized for highly efficient fluorescent lamp

control. An additional PWM controller is integrated on the IC for applications re-

quiring an additional supply, as in LCD displays. When disabled the IC draws

only 1µA, providing a true disconnect feature, which is optimum for battery

powered systems. The switching frequency of all outputs are synchronized to

the resonant frequency of the external passive network, which provides Zero

Voltage Switching on the Push-Pull drivers.

PWM Control for LCD Supply

Zero Voltage Switched (ZVS) on

Push-Pull Drivers

•

Open Lamp Detect Circuitry

4.5V to 20V Operation

Soft-Start and open lamp detect circuitry have been incorporated to minimize

component stress. An open lamp is detected on the completion of a soft-start

cycle.

Non-saturating Transformer

Topology

The Buck controller is optimized for smooth duty cycle control to 100%, while

the flyback control ensures a maximum duty cycle of 95%.

•

Smooth 100% Duty Cycle on

Buck PWM and 0% to 95% on

Flyback PWM

Other features include a precision 1% reference, under voltage lockout, flyback

current limit, and accurate minimum and maximum frequency control.

BLOCK DIAGRAM

UDG-92061-1

Note: Pin numbers refer to DIL-18 and SOIC-18 packages only.

10/94

12 3 4 5 6 7...14

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