Datasheet > LM2791LD-H/NOPB

LM2791LD-H/NOPB

更新时间： 2024-09-25 14:52:27

品牌	Logo	应用领域
德州仪器 - TI		驱动接口集成电路
页数	文件大小	规格书
18页	868K
描述
IC LED DISPLAY DRIVER, DSO10, 3 X 3 MM, 0.80 MM HEIGHT, LLP-10, Display Driver

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LM2791LD-H/NOPB 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：	SON
包装说明：	VSON, SOLCC10,.11,20	针数：	10
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.64
Is Samacsys：	N	数据输入模式：	ANALOG
接口集成电路类型：	LED DISPLAY DRIVER	JESD-30 代码：	S-XDSO-N10
JESD-609代码：	e3	长度：	3 mm
湿度敏感等级：	3	复用显示功能：	NO
功能数量：	1	区段数：	2
端子数量：	10	最高工作温度：	85 °C
最低工作温度：	-30 °C	封装主体材料：	UNSPECIFIED
封装代码：	VSON	封装等效代码：	SOLCC10,.11,20
封装形状：	SQUARE	封装形式：	SMALL OUTLINE, VERY THIN PROFILE
峰值回流温度（摄氏度）：	260	电源：	3.3/5 V
认证状态：	Not Qualified	座面最大高度：	0.8 mm
子类别：	Display Drivers	最大供电电压：	5.8 V
最小供电电压：	3 V	标称供电电压：	3.6 V
表面贴装：	YES	技术：	CMOS
温度等级：	OTHER	端子面层：	Matte Tin (Sn)
端子形式：	NO LEAD	端子节距：	0.5 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	40
宽度：	3 mm	最小 fmax：	0.85 MHz
Base Number Matches：	1

LM2791LD-H/NOPB 数据手册

LM2791

www.ti.com

SNVS156M –FEBRUARY 2001–REVISED MAY 2013

LM2791 Current Regulated Switched Capacitor LED Driver with Analog Brightness

Control

Check for Samples: LM2791

FEATURES

DESCRIPTION

The LM2791 is a CMOS charge-pump voltage

doubler and regulator that provides two regulated

current sources. The LM2791 is designed to drive two

white (or blue) LEDs with matched currents (within ±

0.3%) to produce balanced light sources for display

backlights. They accept an input voltage range from

•

Output Matching of ± 0.3%

•

Drives up to Two LEDs

3V to 5.8V Input Voltage

Up to 36mA Output Current

Soft Start Limits Inrush Current

Analog Brightness Control

Separate Shutdown Input

3V to 5.8V and maintain

a constant current

determined by an external set resistor.

The LM2791 delivers up to 36mA of load current to

accommodate two high forward voltage (typically

white) LEDs. The switching frequency is 450kHz

(min.) to keep the conducted noise spectrum away

from sensitive frequencies within portable RF

devices.

Very Small Solution Size - No Inductor

0.7mA Typical Operating Current

1µA (max.) Shutdown Current

450kHz Switching Frequency (min.)

Linear Regulation Generates Predictable Noise

Spectrum

In the LM2791, brightness is controlled by applying a

voltage between GND and 3.0V to the BRGT pin. The

LM2791 is available in active high or low shutdown

versions. The shutdown pin reduces the operating

current to 1µA (max.).

•

WSON-10 Package: 3mm X 3mm X 0.8mm

APPLICATIONS

The LM2791 is available in a 10 pin WSON CSP

package.

•

White LED Display Backlights

White LED Keypad Backlights

1-Cell Li-Ion Battery-Operated Equipment

Including PDAs, Hand-Held PCs, Cellular

Phones

•

Flat Panel Displays

Basic Application Circuit

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...18

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与LM2791LD-H/NOPB相关器件

型号	品牌	获取价格	描述	数据表
LM2791LD-L	NSC	获取价格	Current Regulated Switched Capacitor LED Driver with Analog Brightness Control
LM2791LD-L/NOPB	NSC	获取价格	IC LED DISPLAY DRIVER, DSO10, 3 X 3 MM, 0.80 MM HEIGHT, LLP-10, Display Driver
LM2791LDX-H	NSC	获取价格	Current Regulated Switched Capacitor LED Driver with Analog Brightness Control
LM2791LDX-H/NOPB	TI	获取价格	LED DISPLAY DRIVER, DSO10, 3 X 3 MM, 0.80 MM HEIGHT, LLP-10
LM2791LDX-L	NSC	获取价格	Current Regulated Switched Capacitor LED Driver with Analog Brightness Control
LM2792	NSC	获取价格	Current Regulated Switched Capacitor LED Driver with Analog Brightness Control
LM2792LD-H	NSC	获取价格	Current Regulated Switched Capacitor LED Driver with Analog Brightness Control
LM2792LD-H/NOPB	TI	获取价格	IC LED DISPLAY DRIVER, DSO10, 3 X 3 MM, 0.80 MM HEIGHT, LLP-10, Display Driver
LM2792LD-L	NSC	获取价格	Current Regulated Switched Capacitor LED Driver with Analog Brightness Control
LM2792LD-L	ROCHESTER	获取价格	LED DISPLAY DRIVER, DSO10, 3 X 3 MM, 0.80 MM HEIGHT, LLP-10

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