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參數(shù)資料
| 型號： | CAT3644HV3-T2 |
| 英文描述： | 4-Channel Ultra High Efficiency Quad-Mode TM LED Driver |
| 中文描述： | 4通道超高效率的Quad - Mode商標LED驅(qū)動器 |
| 文件頁數(shù)： | 2/14頁 |
| 文件大?。?/td> | 294K |
| 代理商： | CAT3644HV3-T2 |
CAT3644
Doc. No. 5023, Rev. B
2
2007 Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
ABSOLUTE MAXIMUM RATINGS
Parameter
V
IN
, LEDx, C1±, C2± voltage
V
OUT
voltage
EN/DIM voltage
Storage Temperature Range
Junction Temperature Range
Lead Temperature
Rating
6
7
6
-65 to +160
-40 to +125
300
Unit
V
V
V
°
C
°
C
°
C
RECOMMENDED OPERATING CONDITIONS
Parameter
V
IN
Ambient Temperature Range
I
LED
per LED pin
Total Output Current
LED Forward Voltage Range
Rating
2.5 to 5.5
-40 to +85
0 to 25
0 to 100
1.3 to 4.3
Unit
V
°
C
mA
mA
V
Typical application circuit with external components is shown on page 1.
ELECTRICAL OPERATING CHARACTERISTICS
(over recommended operating conditions unless specified otherwise) V
IN
= 3.6V, EN = High, T
AMB
= 25
°
C
Symbol Name
Conditions
1x mode, no load
1.33 x mode, no load
1.5x mode, no load
2x mode, no load
V
EN
= 0V
I
LEDAVG
/ I
LEDAVG-NOMINAL
(I
LED
- I
LEDAVG
) / I
LEDAVG
Min
Typ
1.0
1.7
2.2
2.4
±2
±1.5
0.6
0.8
5
5
10
1
1.3
50
250
130
400
500
Max
Units
mA
mA
mA
mA
μA
%
%
V
MHz
MHz
mA
mA
mV
mV
μs
I
Q
Quiescent Current
I
QSHDN
I
LED-ACC
I
LED-DEV
V
RSET
Shutdown Current
LED Current Accuracy
LED Channel Matching
RSET Regulated Voltage
1
0.58
0.62
R
OUT
Output Resistance (open loop)
1x mode
1.33x mode, V
IN
= 3V
1.5x mode, V
IN
= 2.7V
2x mode, V
IN
= 2.4V
1.33x and 2x mode
1.5x mode
V
OUT
< 0.5V
V
OUT
> 1V
F
OSC
Charge Pump Frequency
0.8
1
1.3
1.6
I
SC_MAX
I
IN_MAX
LED
TH
V
HYS
T
DF
R
EN/DIM
V
HI
V
LO
T
SD
T
HYS
V
UVLO
Output short circuit Current Limit
Input Current Limit
1x to 1.33x or 1.33x to 1.5x or 1.5x to 2x
Transition Thresholds at any LED pin
1x Mode Transition Hysteresis
Transition Filter Delay
EN/DIM Pin
Internal Pull-down Resistor
Logic High Level
Logic Low Level
Thermal Shutdown
Thermal Hysteresis
Undervoltage lockout (UVLO) threshold
1.3
100
0.4
k
V
V
150
20
1.8
°
C
°
C
V
1.6
2.0
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| CAT3647 | 制造商:CATALYST 制造商全稱:Catalyst Semiconductor 功能描述:3-Channel Ultra High Efficiency Quad-Mode⑩ LED Driver with 32 Dimming Levels |
| CAT3647HV3-GT2 | 功能描述:LED照明驅(qū)動器 Ultra Hi Eff Quad LED Driver RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
| CAT3648 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:4-Channel Ultra High Efficiency Quad-Mode LED Driver with 32 Dimming Levels |
| CAT3648HV3-GT2 | 功能描述:LED照明驅(qū)動器 Ultra Hi Eff Quad LED Driver RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
| CAT3649 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:6-Channel Quad-Mode LED Driver with 32 Dimming Levels & PWM |
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