收藏本站
CAT4238AEVB
CAT4238 10-LED Boost
Converter Evaluation Board
User's Manual
http://onsemi.com
EVAL BOARD USER’S MANUAL
Introduction
This document describes the CAT4238AGEVB
Evaluation Board for the ON Semiconductor CAT4238
High Efficiency 10-LED Boost Converter. The functionality
and major parameters of the CAT4238 can be evaluated with
the CAT4238AGEVB board.
The CAT4238 is a high voltage CMOS constant-current
DC/DC converter that has been designed to drive with high
efficiency white or other high brightness LEDs. The
high-voltage output stage allows driving up to 10 white
LEDs in series. A single external resistor sets the LED
current between 5 mA and 40 mA. LED current can be
adjusted using either a pulse width modulated (PWM) signal
or a DC voltage. Detailed descriptions and electrical
characteristics are in the CAT4238 data sheet.
CAT4237EVAL2 Board Hardware
The evaluation board contains a CAT4238 DC-DC boost
converter in a typical application circuit. As configured, the
board circuit is set to drive up to 10 white LEDs in series. The
user can chose to connect the CAT4238 output to the
on-board LEDs string or to an external LEDs string from an
application.
The board provides the option to connect a different
number of LEDs available on board, 8, 9 or 10, using
a jumper shunt for one of the J2 to J4 connectors. The board
schematic is shown in Figure 1.
3
VIN
GND
GEN/DC
T1
T2
T3
S1
J1
C1
4.7 m F
R4
4
SW
LQ1 T9
47 m H
5 1
VIN SW
CAT4238
SHDN
FB
D1
C2
0.22 m F
R3
1 k W
LED
T10
VOUT
T7
L1
L2
L3
GND
T8
GND
FB
T4
T5
R5
10 k W
200 k W
GND
2 U1
R2
100 W
R1
6.81 W
L4
L5
SGND
T6
Figure 1. CAT4238AEVB Board Schematic
J2
J3
J4
L6
L7
L8
L9
L10
? Semiconductor Components Industries, LLC, 2011
September, 2011 ? Rev. 3
1
Publication Order Number:
EVBUM2019/D
发布紧急采购，3分钟左右您将得到回复。

采购需求

(若只采购一条型号，填写一行即可)

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

*型号 *数量 厂商 批号 封装
添加更多采购

我的联系方式

*
*
*
相关PDF资料
CAT4240AEVB BOARD EVALUATION DPP CAT4240A
CB1A-R-WM-12V RELAY AUTOMOTIVE SPST 40A 12V
CB3127-000 D-1744-03-LF
CB5065-000 HEAT SHRINK TUBING
CB5143-000 HEAT SHRINK TUBING
CB5440-000 HEAT SHRINK TUBING
CBA-NF-NM1 CABLE ASSY N MALE-N FEM 1000MM
CBA-NM-NM1 CABLE ASSY N MALE-N MALE 1000MM
相关代理商/技术参数
CAT4238AGEVB 功能描述:BOARD EVALUATION DPP CAT4238A 制造商:on semiconductor 系列:- 零件状态:在售 电流 - 输出/通道:40mA 输出和类型:1，非隔离 电压 - 输出:- 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:CAT4238 标准包装:1
CAT4238TD-GT3 功能描述:LED照明驱动器 High Voltage Boost 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
CAT4238TD-GT3 制造商:ON Semiconductor 功能描述:IC LED DRIVER BOOST TSOT-23-5 制造商:ON Semiconductor 功能描述:IC, LED DRIVER, BOOST, TSOT-23-5
CAT4238TDI-G 制造商:ON Semiconductor 功能描述:IC 10-LED DRIVER LOW NOISE BOOST
CAT4240 制造商:CATALYST 制造商全称:Catalyst Semiconductor 功能描述:6 Watt Boost LED Driver
CAT4240_0711 制造商:CATALYST 制造商全称:Catalyst Semiconductor 功能描述:6 Watt Boost LED Driver
CAT4240AEVB 功能描述:BOARD EVALUATION DPP CAT4240A 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
CAT4240AGEVB 制造商:ON Semiconductor 功能描述:EVAL BD FOR LED DRIVER - Bulk 制造商:ON Semiconductor 功能描述:BOARD EVAL FOR CAT4240