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参数资料
| 型号： | SC4509SKTRT |
| 厂商： | Semtech |
| 文件页数： | 2/15页 |
| 文件大小： | 0K |
| 描述： | IC LED DRVR WT/OLED BCKLT SOT236 |
| 标准包装： | 1 |
| 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： | OLED，白色 LED |
| 频率： | 1MHz ~ 1.4MHz |
| 电源电压： | 2.7 V ~ 10 V |
| 输出电压： | 20V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-6 |
| 供应商设备封装： | SOT-23-6 |
| 包装： | 标准包装 |
| 工作温度： | -40°C ~ 85°C |
| 产品目录页面： | 1359 (CN2011-ZH PDF) |
| 其它名称： | SC4509SKDKR |
SC4509
POWER MANAGEMENT
PRELIMINARY
Absolute Maximum Rating
Exceeding the speci ? cations below may result in permanent damage to the device, or device malfunction. Operation outside of the parameters speci ? ed in the
Electrical Characteristics section is not implied. Exposure to Absolute Maximum rated conditions for extended periods of time may affect device reliability.
Parameter
Input Supply Voltage
SW Voltage
Maximum Output Voltage
Feedback Voltage
EN/SS Voltage
Maximum Junction Temperature
Storage Temperature Range
Symbol
V IN
V SW
V OUT
V FB
V EN/SS
T J
T STG
Maximum
-0.3 to 20
-0.3 to 30
30
-0.3 to 20
-0.3 to V IN + 0.3
125
-65 to +150
Units
V
V
V
V
V
°C
°C
Thermal Impedance
Junction to Ambient (1)
MLPD-W8
SOT23-6
θ JA
78
165
C/W
Lead Temperature (Soldering), 10s (SOT23-6 package only)
Peak IR Flow Temperature, (10-40sec)
ESD Rating (Human Body Model) (2)
T LEAD
T PKG
V ESD
300
260
2
°C
°C
kV
Note:
1) Calculated from package in still air, mounted to 3”x 4.5”, 4 layer FR4 PCB with thermal vias under the exposed pad per JESD51 standards.
2) Tested in accordance to JEDEC standard JESD22-A114B.
Electrical Characteristics
Unless speci ? ed: V IN = V EN/SS = 3.6V; C IN = 1 μ F; C OUT = 0.22 μ F; L = 22 μ H; unless otherwise noted, T A = +25°C for Typ, -40oC to 85°C for Min and Max.
Parameter
Input Voltage
Symbol
V IN
Conditions
Min
2.7
Typ
Max
10
Units
V
Quiescent Current
Feedback Voltage
Feedback Pin Bias Current
I Q
V FB
I QFB
No switching
182
2.6
199
35
3.3
216
100
mA
mV
nA
Switching Frequency
f OSC
T A =25 °C
1.0
1.2
1.4
MHz
Maximum Output Voltage
V OUT
20
V
Switch Saturation Voltage
Maximum Duty Cycle
V CESAT
D MAX
I SW = 85mA; T A =25 °C
V FB = GND
90
160
300
mV
%
Switch Current Limit
Switch Leakage Current
Shutdown Current
PWM Dimming Frequency (1)
I cl
I LKG
I SHD
f DIM
I LOAD = 0; T A =25 °C
V SW = 5V; V OUT = Open
V EN/SS = GND; V IN = 3V; V OUT = Open
300
500
0.01
3
1
700
5.0
5
10
mA
μ A
μ A
kHz
EN/SS Threshold Low
EN/SS Threshold High
V IL
V IH
1.8
50
mV
V
? 2007 Semtech Corp.
2
www.semtech.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SC4509WLTRT | 功能描述:IC LED DRVR WT/OLED BCKLT MLPD-8 RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:- 标准包装:6,000 系列:- 恒定电流:- 恒定电压:- 拓扑:开路漏极，PWM 输出数:4 内部驱动器:是 类型 - 主要:LED 闪烁器 类型 - 次要:- 频率:400kHz 电源电压:2.3 V ~ 5.5 V 输出电压:- 安装类型:表面贴装 封装/外壳:8-VFDFN 裸露焊盘 供应商设备封装:8-HVSON 包装:带卷 (TR) 工作温度:-40°C ~ 85°C 其它名称:935286881118PCA9553TK/02-TPCA9553TK/02-T-ND |
| SC450ITS | 制造商:Semtech Corporation 功能描述: |
| SC450ITS.TRT | 制造商:SEMTECH 功能描述:I.C. |
| SC450ITS.TRTCUT | 制造商:Semtech Corporation 功能描述: |
| SC450ITSTRT | 制造商:Semtech Corporation 功能描述:DC DC Cntrlr Single-OUT PWM DC to DC Controller 3V to 30V Input 38-Pin TSSOP T/R |
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