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參數(shù)資料
| 型號(hào)： | CAT4237TD |
| 英文描述： | High Voltage CMOS Boost White LED Driver |
| 中文描述： | 高電壓的CMOS升壓白光LED驅(qū)動(dòng)器 |
| 文件頁數(shù)： | 2/13頁 |
| 文件大?。?/td> | 533K |
| 代理商： | CAT4237TD |
CAT4237
2005 Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
2 of 13
Doc. No. 5013, Rev. A
ABSOLUTE MAXIMUM RATINGS
Parameter
VIN, FB voltage
SHDN* voltage
SW voltage
Storage Temperature Range
Junction Temperature Range
Lead Temperature
RECOMMENDED OPERATING CONDITIONS
Typical application circuit with external components are shown on page 1.
Parameter
VIN
SW pin voltage
Ambient Temperature Range
6, 7 or 8 LEDs
ELECTRICAL OPERATING CHARACTERISTICS
VIN = 3.6V, ambient temperature of 25oC (over recommended operating conditions unless specified
otherwise)
Symbol Parameter
Conditions
I
Q
Operating Current
V
FB
= 0.2V
V
FB
= 0.4V (not switching)
I
SD
Shutdown Current
V
SHDN*
= 0V
V
FB
FB Pin Voltage
8 LEDs with I
LED
=20mA
I
FB
FB pin input leakage
I
LED
Programmed LED Current
R1 = 15
R1 = 20
V
IH
V
IL
SHDN* Logic Low
Shutdown Threshold Level
F
SW
Switching Frequency
I
LIM
Switch Current Limit
R
SW
Switch “On” Resistance
I
SW
= 100mA
I
LEAK
Switch Leakage Current
Switch Off, V
SW
= 5V
Thermal Shutdown
Thermal Hysteresis
V
UVLO
Undervoltage Lockout
(UVLO) Threshold
V
OV-SW
Overvoltage Threshold
Rating
-0.3 to +7
-0.3 to +7
-0.3 to 60
-65 to +160
-40 to +125
300
Unit
V
V
V
°
C
°
C
°
C
Range
2.8 to 5.5
0 to 30
-40 to +85
1 to 40
Unit
V
V
°
C
mA
Min
Typ
0.6
0.1
0.1
300
30
20
15
0.8
0.7
1.0
450
1.0
1
150
20
1.9
Max
1.5
0.6
1
315
1
31.5
21
15.75
1.5
1.3
600
2.0
5
Unit
mA
μA
mV
μA
mA
285
28.5
19
14.25
0.4
0.8
350
R1 = 10
SHDN* Logic High
Enable Threshold Level
V
V
MHz
mA
μA
oC
oC
V
35
V
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| CAT4237TS | High Voltage CMOS Boost White LED Driver |
| CAT4240 | 6 Watt Boost LED Driver |
| CAT4240TD-GT3 | 6 Watt Boost LED Driver |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CAT4237TD-26771T3 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Catalyst Semiconductor 功能描述: |
| CAT4237TD-GT3 | 功能描述:LED照明驅(qū)動(dòng)器 LED Driver,Boost 8 LED,series 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(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
| CAT4237TD-GT3 | 制造商:ON Semiconductor 功能描述:IC, WHITE LED DRIVER, BOOST, TSOT-23-5 |
| CAT4237TD-T3 | 功能描述:LED照明驅(qū)動(dòng)器 High Voltage Boost White LED 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(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
| CAT4237TS | 制造商:CATALYST 制造商全稱:Catalyst Semiconductor 功能描述:High Voltage CMOS Boost White LED Driver |
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