参数资料
型号: CAT3649AGEVB
厂商: ON Semiconductor
文件页数: 5/14页
文件大小: 0K
描述: BOARD EVALUATION FOR CAT3649
设计资源: CAT3649AGEVB Schematic
CAT3649AGEVB BOM
标准包装: 1
系列: QUAD-Mode®
电流 - 输出 / 通道: 25mA
输出及类型: 6,非隔离
特点: 亮度控制
输入电压: 3.3V,5V
已供物品:
已用 IC / 零件: CAT3649
其它名称: CAT3649AGEVBOS
CAT3649
TYPICAL PERFORMANCE CHARACTERISTICS
(V IN = 3.6 V, PWM = V IN , I OUT = 120 mA (6 LEDs at 20 mA), C IN = C OUT = C 1 = C 2 = 1 m F, C PWM = 47 nF,
T AMB = 25 ° C unless otherwise specified.)
4
4
3
2
1
V F = 3.3 V
1x
1.33x
1.5x
2x
3
2
1
2x
1.5x
1.33x
1x
V IN = 2.6 V
V IN = 2.9 V
V IN = 3.3 V
V IN = 4.0 V
0
5.0
4.5
4.0
3.5
3.0
2.5
0
? 40
0
40
80
120
10
INPUT VOLTAGE (V)
Figure 4. Quiescent Current vs. Input Voltage
10
TEMPERATURE ( ° C)
Figure 5. Quiescent Current vs. Temperature
8
6
4
2
0
? 2
? 4
? 6
? 8
8
6
4
2
0
? 2
? 4
? 6
? 8
V F = 3.3 V
? 10
2.5
3.0
3.5
4.0
4.5
5.0
5.5
? 10
? 40
0
40
80
120
1.3
1.2
1.1
INPUT VOLTAGE (V)
Figure 6. LED Current Change vs. Input
Voltage
1.5x Mode
12
10
8
TEMPERATURE ( ° C)
Figure 7. LED Current Change vs.
Temperature
2x
1.0
1.33x, 2x Mode
6
1.5x
1.33x
0.9
4
0.8
2
1x
0.7
? 40
0
40
80
120
0
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
TEMPERATURE ( ° C)
Figure 8. Switching Frequency vs.
Temperature
http://onsemi.com
5
INPUT VOLTAGE (V)
Figure 9. Output Resistance vs. Input Voltage
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