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CAT4134HV2 参数 Datasheet PDF下载

CAT4134HV2图片预览
型号: CAT4134HV2
PDF下载: 下载PDF文件 查看货源
内容描述: 500毫安双通道电影/闪光灯LED驱动器 [500mA Dual Channel Movie/Flash LED Driver]
分类和应用: 显示驱动器驱动程序和接口接口集成电路闪光灯
文件页数/大小: 13 页 / 321 K
品牌: CATALYST [ CATALYST SEMICONDUCTOR ]
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CAT4134  
ABSOLUTE MAXIMUM RATINGS  
Parameters  
Ratings  
Units  
V
SW voltage  
20  
8
VIN voltage  
V
EN, FLASH, RSET, RFLASH voltage  
LED1, LED2 voltage  
VIN + 0.6V  
8
V
V
Output Current per Channel  
Storage Temperature Range  
Junction Temperature Range  
Lead Temperature  
300  
mA  
°C  
°C  
°C  
V
-65 to +160  
-40 to +125  
300  
ESD Rating – Human Body Model (HBM)  
2000  
RECOMMENDED OPERATING CONDITIONS  
Parameter  
Range  
Units  
V
VIN  
2.8 to 4.2  
-40 to +85  
25 to 250  
5 to 50  
Ambient Temperature Range  
Flash mode current per channel  
Movie mode current per channel  
°C  
mA  
mA  
ELECTRICAL OPERATING CHARACTERISTICS  
Over recommended operating conditions unless specified otherwise.  
VIN = 3.6V, EN = VIN and at ambient temperature of 25ºC.  
Symbol Parameter  
Conditions  
Min  
Typ  
Max  
Unit  
IQ  
Quiescent Current  
VLED1 > 0.5V, VLED2 > 0.5V  
100  
250  
µA  
(not switching)  
ISD  
Shutdown Current  
EN = 0V  
1
µA  
A
ISW  
Switch Current Limit  
Movie Mode (FLASH = Low)  
Flash Mode (FLASH = High)  
0.5  
1.7  
1
2
RSW  
Switch Resistance  
ISW = 1000mA  
0.3  
0.5  
5
Ω
ILK  
Switch Leakage Current  
Oscillator Frequency  
Switch Off, VSW = 5V  
µA  
FOSC  
Movie Mode  
Flash Mode  
1.2  
0.9  
MHz  
VOVP  
η
OVP pin threshold  
Efficiency  
1.10  
1.20  
85  
1.30  
2.2  
V
%
ºC  
V
OUT = 10V, Load = 200mA  
TSD  
Thermal Shutdown  
Thermal Hysteresis  
150  
THYST  
VUVLO  
20  
ºC  
V
Undervoltage Lock Out  
(UVLO) Threshold  
Disabled when VIN < VUVLO  
1.9  
EN LOGIC CONTROL INPUT  
VSDHI  
VSDLO  
Logic High Threshold  
Logic Low Threshold  
EN > VSDHI Enables Device  
EN = 3V  
0.7  
0.7  
1.5  
40  
V
0.4  
ISDBIAS Input Bias current  
10  
µA  
© 2006 Catalyst Semiconductor, Inc.  
Characteristics subject to change without notice.  
2
Doc. No. 5021 Rev. A