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| 型号： | CAT4240TD-GT3 |
| 厂商： | ON Semiconductor |
| 文件页数： | 2/12页 |
| 文件大小： | 0K |
| 描述： | IC LED DRVR WHITE BCKLGHT TSOT-5 |
| 标准包装： | 1 |
| 恒定电流： | 是 |
| 拓扑： | PWM，升压（升压） |
| 输出数： | 1 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光 |
| 类型 - 次要： | 白色 LED |
| 频率： | 800kHz ~ 1.3MHz |
| 电源电压： | 2.8 V ~ 5.5 V |
| 输出电压： | 38V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-5 细型，TSOT-23-5 |
| 供应商设备封装： | TSOT-23-5 |
| 包装： | 标准包装 |
| 工作温度： | -40°C ~ 85°C |
| 产品目录页面： | 805 (CN2011-ZH PDF) |
| 其它名称： | CAT4240TD-GT3DKR |
CAT4240
Table 1. ABSOLUTE MAXIMUM RATINGS
Parameters
V IN , FB voltage
SHDN voltage
SW voltage
Storage Temperature Range
Junction Temperature Range
Lead Temperature
Ratings
? 0.3 to +7
? 0.3 to +7
? 0.3 to 60
? 65 to +160
? 40 to +150
300
Units
V
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. RECOMMENDED OPERATING CONDITIONS
Parameters
V IN
SW pin voltage
Ambient Temperature Range (Note 1)
Range
up to 5.5
0 to 38
? 40 to +85
Units
V
V
_ C
NOTE: Typical application circuit with external components is shown on page 1.
1. Thin SOT23 ? 5 package thermal resistance q JA = 135 ° C/W when mounted on board over a ground plane.
Table 3. DC ELECTRICAL CHARACTERISTICS
(V IN = 3.6 V, ambient temperature of 25 ° C (over recommended operating conditions unless otherwise specified))
Symbol
I Q
I SD
V FB
Parameter
Operating Current
Shutdown Current
FB Pin Voltage
Test Conditions
V FB = 0.2 V
V FB = 0.4 V (not switching)
V SHDN = 0 V
6 LEDs with I LED = 75 mA
Min
285
Typ
0.6
0.1
0.1
300
Max
1.5
0.6
1
315
Units
mA
m A
mV
I FB
FB pin input leakage
1
m A
I LED
V IH
V IL
F SW
Programmed LED Current
SHDN Logic High
SHDN Logic Low
Switching Frequency
R1 = 10 W
R1 = 5 W
Enable Threshold Level
Shutdown Threshold Level
28.5
0.4
0.8
30
60
0.8
0.7
1.0
31.5
1.5
1.3
mA
V
MHz
DC
I LIM
Maximum Duty Cycle
Switch Current Limit
V IN = 3 V
V IN = 3.6 V
V IN = 5 V
600
750
92
%
mA
R SW
I LEAK
Switch “On” Resistance
Switch Leakage Current
I SW = 100 mA
Switch Off, V SW = 30 V
1.0
2
2.0
5
W
m A
Thermal Shutdown
Thermal Hysteresis
150
20
° C
° C
V UVLO
V OV-SW
Undervoltage Lockout (UVLO) Threshold
Overvoltage Detection Threshold
1.9
40
V
V
V OCL
Output Voltage Clamp
“Open LED”
42
V
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CAT4240TD-GT3 | 制造商:ON Semiconductor 功能描述:IC LED DRIVER BOOST TSOT-23-5 制造商:ON Semiconductor 功能描述:IC, LED DRIVER, BOOST, TSOT-23-5 |
| CAT-42506 | 制造商:Thomas & Betts 功能描述:1/4' YELLOW 6 PCS. PER BAG |
| CAT4254VP2-GT3 | 制造商:Catalyst Semiconductor 功能描述: 制造商:ON Semiconductor 功能描述: |
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| CAT431LEUK-TE7 | 功能描述:基准电压& 基准电流 1.24V .5% RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel |
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