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Número de pieza | NEW1 | |
Descripción | High power and precision to determine the current LED driver | |
Fabricantes | Grenergy | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de NEW1 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
No Preview Available ! Preliminary NEW1/NEW1B
高功率与精确定电流 LED 驱动器
特色
单周期控制的高功率
精确定电流
BOM 成本低
DIM脚位的线性调光
平均电流/定频控制
门级 阈值输出电压
LED 过电压保护(OVP)
LED 短路保护(SCP)
过电流保护 (OCP)
OUT脚位有300mA驱动能力
专利申请中
为快速启动电流NEW1B
(Fast Start Current)
版本
不兼容电感镇流器与电子镇流器
应用
灯E26/27, T5/T8 LED
其他 LED 照明应用
描述
NEW1/1B是一款低启动电流,平均电流模式,单周
期控制的高集成功率因子校正与固定切换频率的脉
宽调制控制器。这些功能使LED驱动器能达到精确
的平均电流与高功率的要求。NEW1/1B还包含了
LED短路保护,过电压保护。COMP脚位藉由连接
RC补偿网络到地来控制占空比并且形成了闭环反
馈控制。为了避免由于VCC电压过高而损坏功率开
关 管 , NEW1/1B 的 Gate 电 压 被 嵌 位 在 15V 。
能够降低NEW1/1B
LED
驱动器的成本并提
高产品
性能。其封装有6脚的SOT-26封装。
订购和标识信息
SOT-26
Code 1 8 9 A B
GH
IJ
Year 2008 2009 2010 2011
2016
●●●
Code 2 1 2 3 4
9
2017
A
2018 2019
BC
Month Jan. Feb. Mar. Apr.
Sep. Oct. Nov. Dec.
Grenergy OPTO Inc. reserves the right to make changes to improve reliability or manufacture ability without notice, and
advise customers to obtain the latest version of relevant information to verify before placing orders.
2013.04 Ver. J Copyright Grenergy OPTO, Inc. www.grenergy-ic.com
1
1 page Preliminary NEW1/NEW1B
除非特殊说明电器参数(VCC= 15V, TA = +25°C,
)
参数
供电电压 SUPPLY VOLTAGE
启动电流 Startup current (VCC=UVLO on - 1V)
工作电流 Operation current (with 1nF load on OUT pin),
Vcomp = 2.5V
工作电流Operation current (with 1nF load on OUT pin),
Protection Tripped (OCP, OVP, SCP, OTP)
开启阈值 UVLO(off)
关断阈值 UVLO(on)
脚位的过压保护VCC
OVP Level on VCC Pin
过电压保护的去抖动时间 OVP De-Bounce Time
反馈电压 VOLTAGE FEEDBACK
反馈基准电压 Feedback Reference Voltage
转导 Transconductance
输出陷电流 Output Sink Current
输出源电流 Output Source Current
电流检测 CURRENT SENSING
输入过电压保护 Input Over Voltage Protection
开环电压 脚位开启, CS Open Loop Voltage, CS Pin Open
前沿消隐时间Leading-Edge Blanking Time
输出延迟时间 Delay to Output
切换频率 SWITCHING FREQUENCY
切换频率 Switching Frequency
最大占空比 Maximum Duty
抖频范围 Frequency Jitter Range
温度稳定性 Temp. Stability (-40°C ~ 125°C)
电压稳定性 Voltage Stability (VCC = 11V~25V)
门级驱动输出 GATE DRIVER OUTPUT
上升时间 Rising Time, Load Capacitance = 1000pF
下降时间 Falling Time, Load Capacitance = 1000pF
门级输出嵌位 VGATE-Clamp (VCC = 25V )
调光输入 DIM INPUT SECTION
饱和临界电压 Saturation Threshold Voltage
线性调光范围 Linear Dimming Range
电流关闭临界电压LED
LED Current off Threshold Voltage
电流源 Current Source
注 自动恢复模式: OVP ,OCP, SCP:
(Auto Recovery Type)
脚位
1
1
1
1
1
1
1
5
5
5
5
6
6
6
6
-
-
-
-
3
3
3
4
4
4
4
最小 典型
8
2
0.7
7
15
31.5
40
0.194
0.200
120
12
12
0.80
5
410
100
45
90
+/-4
160
80
13.5
3.0
0.3
270 300
最大 单位
15 uA
3 mA
1.1 mA
V
V
V
us
0.206
V
uS
uA
uA
V
V
nS
220 nS
KHz
%
%
6%
1%
320 nS
160 nS
V
V
3.0 V
0.5 V
330 uA
2013.04 Ver. J Copyright Grenergy OPTO, Inc. www.grenergy-ic.com
5
5 Page |
Páginas | Total 9 Páginas | |
PDF Descargar | [ Datasheet NEW1.PDF ] |
Número de pieza | Descripción | Fabricantes |
NEW1 | High power and precision to determine the current LED driver | Grenergy |
NEW1B | High power and precision to determine the current LED driver | Grenergy |
NEW2 | Constant Current LED Driver 10 ~ 50mA temperature compensation | Grenergy |
NEW4 | A primary side feedback LED Power Factor Correction Controller | Grenergy |
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