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| 型号： | CAT4137TD-T3 |
| 厂商： | ON Semiconductor |
| 文件页数： | 1/15页 |
| 文件大小： | 0K |
| 描述： | IC LED DRVR WHITE BCKLGHT TSOT-5 |
| 标准包装： | 1 |
| 恒定电流： | 是 |
| 拓扑： | PWM，升压（升压） |
| 输出数： | 1 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光 |
| 类型 - 次要： | 白色 LED |
| 频率： | 700kHz ~ 1.3MHz |
| 电源电压： | 2.2 V ~ 5.5 V |
| 输出电压： | 24V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-5 细型，TSOT-23-5 |
| 供应商设备封装： | TSOT-23-5 |
| 包装： | 标准包装 |
| 工作温度： | -40°C ~ 85°C |
| 产品目录页面： | 805 (CN2011-ZH PDF) |
| 其它名称： | CAT4137TD-T3DKR |
CAT4137
CMOS Boost Converter -
White LED Driver
Description
The CAT4137 is a DC/DC step-up converter that delivers a
regulated output current. Operation at a constant switching frequency
of 1 MHz allows the device to be used with small value external
ceramic capacitors and inductor.
The device drives a string of white LEDs connected in series and
provides the regulated current to control the LEDs with inherent
uniform brightness and matching. An external resistor R1 sets the
output current and allows up to 30 mA current to be supported over a
wide range of input supply voltages from 2.2 V to 5.5 V, making the
device ideal for battery-powered applications.
LED dimming can be done by using a DC voltage, a logic signal, or
a pulse width modulation (PWM) signal. The shutdown control pin
allows the device to be placed in power-down mode with “zero”
quiescent current.
In addition to thermal protection and overload current limiting, the
http://onsemi.com
5
1
TSOT ? 23
TD SUFFIX
CASE 419AE
PIN CONNECTIONS
1
SW VIN
GND
device also enters a very low power operating mode during “Open
LED” fault conditions. The device is housed in a low profile (1 mm
max height) 5 ? lead thin SOT23 package for space critical
FB
(Top View)
SHDN
applications.
Features
MARKING DIAGRAMS
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Drives up to 5 White LEDs from 3 V
Power Efficiency up to 87%
Low Quiescent Ground Current 0.1 mA
Adjustable Output Current (up to 30 mA)
High Frequency 1 MHz Operation
“Zero” Current Shutdown Mode
Operates Down to 2 V (from Two AA Batteries)
Soft Start Power-up
Open LED Low Power Mode
Automatic Shutdown at 1.9 V (UVLO)
Thermal Shutdown Protection
Thin SOT23 5 ? lead (1 mm Max Height)
These Devices are Pb ? Free, Halogen Free/BFR Free and are RoHS
Compliant
LXYM UEYM
LX = CAT4137TD ? T3
UE = CAT4137TD ? GT3
Y = Production Year (Last Digit)
M = Production Month (1 ? 9, A, B, C)
ORDERING INFORMATION (Note 3)
Device Package Shipping (Note 4)
CAT4137TD ? T3 TSOT ? 23 3,000/
(Note 1) (Pb ? Free) Tape & Reel
CAT4137TD ? GT3 TSOT ? 23 3,000/
(Note 2) (Pb ? Free) Tape & Reel
Applications
? LCD Backlighting
? Cellular Phones
? Handheld Devices
? Digital Cameras
1. Matte ? Tin Plated Finish (RoHS ? compliant).
2. NiPdAu Plated Finish (RoHS ? compliant)
3. For detailed information and a breakdown of
device nomenclature and numbering systems,
please see the ON Semiconductor Device No-
menclature document, TND310/D, available at
www.onsemi.com
4. For information on tape and reel specifications, in-
cluding part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifica-
tions Brochure, BRD8011/D.
? Semiconductor Components Industries, LLC, 2011
November, 2011 ? Rev. 3
1
Publication Order Number:
CAT4137/D
相关PDF资料 |
PDF描述 |
|---|---|
| CAT4139TD-GT3 | IC LED DRVR WHITE BCKLGT TSOT-5 |
| CAT4237TD-T3 | IC LED DRVR WHITE BCKLGHT TSOT-5 |
| CAT4238TD-GT3 | IC LED DRVR WHITE BCKLGHT TSOT-5 |
| CAT4240TD-GT3 | IC LED DRVR WHITE BCKLGHT TSOT-5 |
| CAT93C56XI | IC EEPROM 2KBIT 2MHZ 8SOIC |
相关代理商/技术参数 |
参数描述 |
|---|---|
| CAT4137TS | 制造商:CATALYST 制造商全称:Catalyst Semiconductor 功能描述:CMOS Boost Converter - White LED Driver |
| CAT4139 | 制造商:CATALYST 制造商全称:Catalyst Semiconductor 功能描述:22V High Current Boost White LED Driver |
| CAT4139AEVB | 功能描述:BOARD EVALUATION DPP CAT4139A RoHS:是 类别:编程器，开发系统 >> 评估板 - LED 驱动器 系列:* 标准包装:1 系列:PowerWise® 电流 - 输出 / 通道:20mA 输出及类型:1，非隔离 输出电压:17V 特点:可调光 输入电压:2.7 ~ 5.5 V 已供物品:板 已用 IC / 零件:LM3508 相关产品:LM3508TLX-ND - IC LED DRVR WHT BCKLGT 9USMDLM3508TLDKR-ND - IC LED DRVR WHT BCKLGT 9MICROSMDLM3508TLCT-ND - IC LED DRVR WHT BCKLGT 9MICROSMDLM3508TLTR-ND - IC LED DRVR WHT BCKLGT 9MICROSMD |
| CAT4139AGEVB | 功能描述:CAT4139 1, Non-Isolated Output LED Driver Evaluation Board 制造商:on semiconductor 系列:- 零件状态:有效 电流 - 输出/通道:100mA 输出和类型:1，非隔离 电压 - 输出:22V 特性:可调光 电压 - 输入:2.8 V ~ 5.5 V 所含物品:板 使用的 IC/零件:CAT4139 标准包装:1 |
| CAT4139TD-GT3 | 功能描述:LED照明驱动器 High Current Boost White RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
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