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| 型号： | CAT4003BTD-GT3 |
| 厂商： | ON Semiconductor |
| 文件页数： | 4/12页 |
| 文件大小： | 0K |
| 描述： | IC LED DVR 3CH TSOT23-6 |
| 标准包装： | 1 |
| 恒定电流： | 是 |
| 拓扑： | 线性（LDO） |
| 输出数： | 3 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光 |
| 电源电压： | 2.4 V ~ 5.5 V |
| 输出电压： | 6V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-6 细型，TSOT-23-6 |
| 供应商设备封装： | TSOT-23-6 |
| 包装： | 标准包装 |
| 工作温度： | -40°C ~ 85°C |
| 其它名称： | CAT4003BTD-GT3OSDKR |
CAT4003B, CAT4004B
Table 4. ELECTRICAL OPERATING CHARACTERISTICS
(over recommended operating conditions unless s pecified otherwise) (V IN = 4.0 V, EN = High, T AMB = 25 ° C) (Note 6)
Parameter
Quiescent Current
Shutdown Current
Full Scale LED Current (Average) (Note 5)
LED Channel Matching
Dropout Voltage
Conditions
I LED = 25 mA/channel
V EN = 0 V
I LED * I LEDAVG
I LEDAVG
I LED = 20 mA
Symbol
I Q
I QSHDN
I LED ? FULL
I LED ? DEV
V DOUT
Min
0.5
24
? 5
Typ
0.7
25
± 1
75
Max
1.5
1
26
+5
Units
mA
m A
mA
%
mV
EN/DIM Pin
I LED = 1 mA
45
? Internal pull ? down resistor
? Logic High Level
? Logic Low Level
Thermal Shutdown
Thermal Hysteresis
Undervoltage lockout (UVLO) threshold
R EN/DIM
V HI
V LO
T SD
T HYS
V UVLO
1.3
200
150
20
2.0
0.4
k W
V
V
° C
° C
V
5. For the CAT4003B, I LEDAVG = (I LED,CH1 + I LED,CH2 + I LED,CH3 ) / 3
6. The Min/Max limits apply across the ? 40 ° C to +85 ° C ambient temperature range and are assured by design, characterization and correlation
with statistical analysis.
Table 5. RECOMMENDED EN/DIM TIMING (For 3 V ≤ V IN ≤ 5.5 V, over full ambient temperature range ? 40 ° C to +85 ° C.) (Note 7)
Parameter
Conditions
Symbol
Min
Typ
Max
Units
Power ? up Setup Time
T SETUP
10
m s
EN/DIM program low time
EN/DIM program high time
LED current settling time
T LO
T HI
T LED
0.2
0.2
10
500
m s
m s
m s
EN/DIM low time to shutdown
T PWRDWN
2
3
5
ms
7. The Min/Max limits apply across the ? 40 ° C to +85 ° C ambient temperature range and are assured by design, characterization and correlation
with statistical analysis.
T HI
EN/DIM
T LED
T SETUP
T LO
T PWRDWN
100%
97% 94%
100%
LED
Current
Shutdown
32 Levels
3%
0%
Shutdown
Figure 1. CAT400XB EN/DIM Dimming Timing Diagram
LED Current Setting
On the CAT400XB, the full scale LED current is
internally set to 25 mA (no external resistor).
When the EN/DIM is first enabled, the CAT400XB sets
consecutive rising edge on the EN/DIM decreases the LED
current by one step until it goes to zero, as shown on
Figure 1.
the LED channel current to the full scale current. Each
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| CAT4004 | 制造商:CATALYST 制造商全称:Catalyst Semiconductor 功能描述:4-Channel Constant Current LED Driver with EZDim⑩ |
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| CAT4004AHU2-GT3 | 功能描述:LED照明驱动器 LED DR 4 CH EZ DIM I/F RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
| CAT4004AHU2-GT3B | 功能描述:LED照明驱动器 322.4V to 5.5V RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
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