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參數(shù)資料
| 型號： | CAT4237 |
| 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)動器 |
| 文件頁數(shù)： | 2/13頁 |
| 文件大小： | 533K |
| 代理商： | CAT4237 |
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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CAT4237_07 | 制造商:CATALYST 制造商全稱:Catalyst Semiconductor 功能描述:High Voltage CMOS Boost White LED Driver |
| CAT4237_08 | 制造商:CATALYST 制造商全稱:Catalyst Semiconductor 功能描述:High Voltage CMOS Boost White LED Driver |
| CAT4237BEVB | 功能描述:BOARD EVALUATION DPP CAT4237B RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - LED 驅(qū)動器 系列:* 標(biāo)準(zhǔn)包裝:1 系列:PowerWise® 電流 - 輸出 / 通道:20mA 輸出及類型:1，非隔離 輸出電壓:17V 特點(diǎn):可調(diào)光 輸入電壓:2.7 ~ 5.5 V 已供物品:板 已用 IC / 零件:LM3508 相關(guān)產(chǎn)品:LM3508TLX-ND - IC LED DRVR WHT BCKLGT 9USMDLM3508TLDKR-ND - IC LED DRVR WHT BCKLGT 9MICROSMDLM3508TLCT-ND - IC LED DRVR WHT BCKLGT 9MICROSMDLM3508TLTR-ND - IC LED DRVR WHT BCKLGT 9MICROSMD |
| CAT4237BGEVB | 功能描述:CAT4237 1, Non-Isolated Output LED Driver Evaluation Board 制造商:on semiconductor 系列:- 零件狀態(tài):有效 電流 - 輸出/通道:30mA 輸出和類型:1，非隔離 電壓 - 輸出:30V 特性:可調(diào)光 電壓 - 輸入:2.8 V ~ 5.5 V 所含物品:板 使用的 IC/零件:CAT4237 標(biāo)準(zhǔn)包裝:1 |
| CAT4237TD | 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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