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参数资料
| 型号： | CAT4004AHU2-GT3B |
| 厂商： | ON Semiconductor |
| 文件页数： | 2/11页 |
| 文件大小： | 0K |
| 描述： | IC LED DVR 4CH EZ DIM I/F 8DFN |
| 标准包装： | 3,000 |
| 恒定电流： | 是 |
| 拓扑： | 线性（LDO） |
| 输出数： | 4 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光 |
| 电源电压： | 2.4 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-UFDFN 裸露焊盘 |
| 供应商设备封装： | 8-uDFN（2x2） |
| 包装： | 带卷 (TR) |
| 工作温度： | -40°C ~ 85°C |
CAT4002A, CAT4004A
MARKING DIAGRAMS
BGA
YM
UDFN8 (2 x 2 mm)
VLYM
TSOT23 ? 6
VJA
SC70 ? 6
BG
A
Y
= CAT4004A Device Code
= Assembly Location Code
= Production Year (last digit)
VL
Y
M
= CAT4002A Device Code
= Production Year (last digit)
= Production Month: 1 ? 9, A, B, C
VJ
A
= CAT4002A Device Code
= Assembly Location Code
M
= Production Month: 1 ? 9, A, B, C
Table 1. ABSOLUTE MAXIMUM RATINGS
VIN, LEDx, RSET
EN/DIM Voltage
Storage Temperature Range
Junction Temperature Range
Lead Temperature
Parameter
Rating
6
6
? 65 to +160
? 40 to +125
300
Unit
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. ELECTRICAL OPERATING CHARACTERISTICS (Min and Max values are over recommended operating conditions
unless specified otherwise. Typical values are at V IN = 4.0 V, E N/DIM = High, and T AMB = 25 ° C.)
Symbol
I Q
Quiescent Current
Name
Conditions
No load, RSET = Float
Min
Typ
0.2
Max
Units
mA
No load, RSET = 4.8 k W
0.5
I QSHDN
I LED
Shutdown Current
LED Current Setting
V EN/DIM = 0 V
RSET = 3.0 k W
25
1
m A
mA
RSET = 4.99 k W
15
I LED ? ACC
LED Current Accuracy
1 mA ≤ I LED ≤ 40 mA
± 1
%
I LED ? DEV
V RSET
V DOUT
LED Channel Matching (Note 1)
RSET pin regulated voltage
Dropout Voltage
(90% of nominal LED current)
I LED * I LEDAVG
I LEDAVG
I LED = 20 mA
I LED = 1 mA
? 5
0.57
± 1
0.6
50
25
+5
0.63
%
V
mV
EN/DIM Pin
R EN/DIM
V HI
V LO
T SD
T HYS
V UVLO
? Internal pull ? down resistor
? Logic High Level
? Logic Low Level
Thermal Shutdown
Thermal Hysteresis
Undervoltage lockout (UVLO) threshold
1.3
200
150
20
2.0
0.4
k W
V
V
° C
° C
V
1. For CAT4004A, I LEDAVG = (I LED,CH1 + I LED,CH2 + I LED,CH3 + I LED,CH4 ) / 4
For CAT4002A, I LEDAVG = (I LED,CH1 + I LED,CH2 ) / 2
http://onsemi.com
2
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