参数资料
型号: CAT4139TD-GT3
厂商: ON Semiconductor
文件页数: 4/13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
TYPICAL CHARACTERISTICS
(V IN = 5.0 V, I OUT = 180 mA, T AMB = 25 ° C, with typical application circuit unless otherwise specified.)
200
2.0
V FB = 0.4 V
1.5
150
1.0
100
0.5
50
3.0
3.5
4.0
4.5
5.0
5.5
0
3.0
3.5
4.0
4.5
5.0
5.5
303
INPUT VOLTAGE (V)
Figure 2. Quiescent Current vs. V IN
(Not Switching)
310
INPUT VOLTAGE (V)
Figure 3. Quiescent Current vs. V IN
(Switching)
302
305
301
300
300
299
295
298
297
? 50
0
50
100
150
290
80
100
120
140
160
180
200
1.2
1.1
1.0
0.9
TEMPERATURE ( ° C)
Figure 4. FB Pin Voltage vs. Temperature
2.0
1.5
1.0
0.5
OUTPUT CURRENT (mA)
Figure 5. FB Pin Voltage vs. Output Current
0.8
3.0
3.5
4.0
4.5
5.0
5.5
0
3.0
3.5
4.0
4.5
5.0
5.5
INPUT VOLTAGE (V)
Figure 6. Switching Frequency vs. Supply
Voltage
http://onsemi.com
4
INPUT VOLTAGE (V)
Figure 7. Switch ON Resistance vs.
Input Voltage
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