参数资料
型号: CAT4139TD-GT3
厂商: ON Semiconductor
文件页数: 2/13页
文件大小: 0K
描述: IC LED DRVR WHITE BCKLGT TSOT-5
特色产品: CAT4139
标准包装: 1
恒定电流:
拓扑: PWM,升压(升压)
输出数: 1
内部驱动器:
类型 - 主要: 背光
类型 - 次要: 白色 LED
频率: 800kHz ~ 1.3MHz
电源电压: 2.8 V ~ 5.5 V
输出电压: 22V
安装类型: 表面贴装
封装/外壳: SOT-23-5 细型,TSOT-23-5
供应商设备封装: TSOT-23-5
包装: 标准包装
工作温度: -40°C ~ 85°C
产品目录页面: 805 (CN2011-ZH PDF)
其它名称: CAT4139TD-GT3DKR
CAT4139
V IN
L
D
V OUT
9 strings at
20 mA
5V
22 m H
C1
4.7 m F
VIN
SW
C2
1 m F
35 V
OFF ON
CAT4139
SHDN FB
GND
(300 mV)
R2
1 k W
I OUT
180 mA
R1
1.62 W
L: Sumida CDRH6D28 ? 220
D: Central CMSH1 ? 40 (rated 40 V)
Figure 1. Typical Application Circuit
Table 1. ABSOLUTE MAXIMUM RATINGS
Parameters
VIN, FB Voltage
SHDN Voltage
SW Voltage
Storage Temperature Range
Junction Temperature Range
Lead Temperature
Ratings
? 0.3 to +7
? 0.3 to +7
? 0.3 to +40
? 65 to +160
? 40 to +150
300
Units
V
V
V
_ C
_ C
_ C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
Table 2. RECOMMENDED OPERATING CONDITIONS (Typic al application circuit with external components is shown above.)
Parameters
VIN
SW pin voltage
Ambient Temperature Range (Note 2)
Range
up to 5.5
0 to 22
? 40 to +85
Units
V
V
_ C
2. TSOT23 ? 5 package thermal resistance q JA = 135 ° C/W when mounted on board over a ground plane.
http://onsemi.com
2
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