没有合适的资源?快使用搜索试试~ 我知道了~
SDB11G是一款升压型转换器原装SHOUDING
需积分: 0 0 下载量 143 浏览量
2024-04-09
15:49:27
上传
评论
收藏 13.46MB PDF 举报
温馨提示
试读
10页
SDB11G是一款升压型转换器,专为单节 锂离子电池驱动多达7个系列白光LED而 设计。该SDB11G使用电流模式,固定频 率架构来调节LED电流,这是通过外部电 流检测电阻测量 该SDB11G包括欠压锁定,电流限制 和热过载保护,防止在输出过载的情 况下损坏。 优化的工作频率可以满足LC滤波值小、 工作电流低、效率高的要求。内置软启动 功能,可减少浪涌电流。微型封装类型为 节省PCB空间和总BOM成本提供了最佳 解决方案。 ———————————————— 版权声明:本文为博主原创文章,遵循 CC 4.0 BY-SA 版权协议,转载请附上原文出处链接和本声明。 原文链接:https://blog.csdn.net/akdkj13480937849/article/details/137555310
资源推荐
资源详情
资源评论
APPLICATIONS
SDB11G Ver1.0
1
SDB11G
1.2MHz, High Efficiency
Boost White LED Driver
High Efficiency: Up to 90%
1.2MHz Constant Frequency Operation
Integrated internal Power MOSFET
Drives up to 7 Series WLEDs
Soft-start/Dimming with wide Frequency
Range
UVLO, Thermal Shutdown
Internal Current limit
Over Voltage Protection
Small LC Filter
Minimize the External Component
<1µA Shutdown Current
SOT23-6 Package
Camera Flash White LED
Mobile Phone, Smart Phone LED Backlight
PDA LED Backlight
Digital Still Cameras
Camcorder
The SDB11G is a step-up converter designed for
driving up to 7 series white LEDs from a single cell
Lithium Ion battery. The SDB11G uses current
mode, fixed frequency architecture to regulate an
LED current, which is measured through an
external current sense resistor.
The SDB11G includes under-voltage lockout,
current limiting and thermal overload protection
preventing damage in the event of an output
overload.
Optimized operation frequency can meet the
requirement of small LC filters value and low
operation current with high efficiency. Internal soft
start function can reduce the inrush current. Tiny
package type provide the best solution for PCB
space saving and total BOM cost.
Figure 1. Basic Application Circuit
0
5
10
15
20
0 20 40 60 80 100
I
LED
(mA)
PWM Duty Cycle(%)
LED Current vs. PWM Dimming
F=100kHz
7S1P WLEDs
SDB11G
C
OUT
1μF
R
CS
C
IN
1μF
VIN SW
EN FB
GND
V
IN
V
OUT
L 4.7μH to 22μH
D
OV
7 WLEDs
FEATURES
SHOUDING
GENERAL DESCRIPTION
TYPICAL APPLICATION
Shouding
资源评论
奥科迪科技13480937849
- 粉丝: 178
- 资源: 12
上传资源 快速赚钱
- 我的内容管理 展开
- 我的资源 快来上传第一个资源
- 我的收益 登录查看自己的收益
- 我的积分 登录查看自己的积分
- 我的C币 登录后查看C币余额
- 我的收藏
- 我的下载
- 下载帮助
安全验证
文档复制为VIP权益,开通VIP直接复制
信息提交成功