参数资料
型号: ZXLD1322DCCTC
厂商: Diodes Inc
文件页数: 7/17页
文件大小: 0K
描述: IC LED DRIVR WHITE BCKLGT 14-DFN
特色产品: LED Driver Solutions
标准包装: 1
拓扑: PWM,降压(降压),升压(升压)
输出数: 1
内部驱动器:
类型 - 主要: 闪灯/白光,通用
类型 - 次要: 高亮度 LED(HBLED),白色 LED
频率: 600kHz
电源电压: 2.5 V ~ 15 V
输出电压: 18V
安装类型: 表面贴装
封装/外壳: 14-VFDFN 裸露焊盘
供应商设备封装: 14-DFN-EP(4x3)
包装: 标准包装
工作温度: -40°C ~ 125°C
产品目录页面: 1478 (CN2011-ZH PDF)
其它名称: ZXLD1322DCCDKR
A Product Line of
Diodes Incorporated
ZXLD1322
LED Thermal Control Circuit (T ADJ ) Parameters
Symbol
VT ADJH
VT ADJL
Parameter
Upper threshold voltage
Lower threshold voltage
Condition
Onset of output current reduction
(V TADJ falling)
Output current reduced to
<10% of set value (V TADJ falling)
Min.
Typ.
75
50
Max.
Unit
mV
mV
Gm (TADJ)
Trans conductance
Δ I OUT / Δ V TADJ
4
mA/V
Output Current Regulation Parameters
Symbol
I OUT
Parameter
Minimum output/ LED current
V IN > 3V
Condition
Min.
Typ.
0.75
Max.
Unit
A
Efficiency
Δ I OUT
TCO
I (OUT)
Δ I OUT /
I OUT
Δ I OUT /
Δ V IN
Eff
Output current accuracy (g)
Output current temperature drift
Load Current Regulation
Line Voltage Regulation of output
current
(f)
3.0V < V IN < 15V, I OUT = 700mA,
V ADJ = 100mV,
3.0V < V IN < 15V, Iout = 700mA,
V ADJ = 100mV
350mA < I (LED) < 700mA
350mA < I (LED) < 700mA
-5
100
2
0.5
85
+5
200
%
ppm/K
%/A
%/V
%
Notes:
(f) System parameter only. This value is dependent upon external components and circuit configuration.
(g) This refers to the accuracy of output current regulation under normal operation when the feedback loop incorporating the current monitor is active.
The tolerances of external components are not included in this figure.
ZXLD1322
Document number: DS32166 Rev. 3 - 2
7 of 17
www.diodes.com
April 2010
? Diodes Incorporated
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