- 您现在的位置：买卖IC网 > PDF目录21974 > FAN5345S20X (Fairchild Semiconductor)IC LED DVR ASYNC BOOST 20V 6SSOT PDF资料下载
参数资料
| 型号： | FAN5345S20X |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 5/14页 |
| 文件大小： | 0K |
| 描述： | IC LED DVR ASYNC BOOST 20V 6SSOT |
| 标准包装： | 1 |
| 恒定电流： | 是 |
| 拓扑： | 升压（升压） |
| 输出数： | 1 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 通用 |
| 类型 - 次要： | 白色 LED |
| 频率： | 950kHz ~ 1.35MHz |
| 电源电压： | 2.5 V ~ 5.5 V |
| 输出电压： | 6.2 V ~ 18.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-6 细型，TSOT-23-6 |
| 供应商设备封装： | 6-SSOT |
| 包装： | 标准包装 |
| 工作温度： | -40°C ~ 85°C |
| 其它名称： | FAN5345S20XDKR |
Electrical Specifications
V IN = 2.5V to 5.5V and T A = -40°C to +85°C unless otherwise noted. Typical values are at TA = +25°C and V IN = 3.6V.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
Power Supplies
I SD
I Q(ACTIVE)
Shutdown Supply Current
Quiescent Current at I LOAD = 0mA
EN = GND
Device Not Switching, No Load
0.30
300
0.90
? A
? A
V UVLO
Under-Voltage Lockout Threshold
V IN Rising
V IN Falling
2.10
1.80
2.35
2.05
2.60
2.30
V
V UVHYST
Under-Voltage Lockout Hysteresis
250
mV
EN: Enable Pin
V IH
V IL
HIGH-Level Input Voltage
LOW-Level Input Voltage
1.2
0.4
V ?
V ?
R EN
EN Pull-Down Resistance
200
300
400
k ?
T LO
EN Low Time for Dimming (3)
V IN = 3.6V; Figure 28
0.5
300
μs
T HI
Delay Between Steps
(3)
V IN = 3.6V; Figure 28
0.5
μs
T SD
EN Low, Shutdown Pulse Width
V IN = 3.6V; from Falling Edge of EN
1
ms
Feedback and Reference
V FB
I FB
Feedback Voltage
Feedback Input Current
I LED = 20mA from -40°C to +85°C,
2.7V ≤ V IN ≤ 5.5V
V FB = 250mV
230
250
0.1
270
1.0
mV
? A
Power Outputs
R DS(ON)_Q1 Boost Switch On Resistance
V IN = 3.6V, I SW = 100mA
V IN = 2.5V, I SW = 100mA
600
650
m ?
I SW(OFF)
SW Node Leakage (2)
EN = 0, V IN = V SW = V OUT = 5.5V, V LED =
0V
0.1
2.0
? A
I LIM-PK
Boost Switch Peak Current Limit
FAN5345S20X: V IN = 3.2V to 4.3V, T A
= 20°C to +60°C, V F = 3.4V, 4 LEDs
200
300
400
mA
FAN5345S30X
500
750
1000
Oscillator
f SW
Boost Regulator Switching
Frequency
0.95
1.15
1.35
MHz
Output and Protection
Boost Output Over-Voltage
FAN5345S20X
18.0
20.0
21.5
V OVP
Protection
OVP Hysteresis
FAN5345S30X
FAN5345S20X
FAN5345S30X
27.5
30.0
0.8
1.0
32.5
V
V TLSC
V THSC
D MAX
D MIN
T TSD
T HYS
V OUT Short-Circuit Detection
Threshold
V OUT Short-Circuit Detection
Threshold
Maximum Boost Duty Cycle (3,4)
Minimum Boost Duty Cycle (3,4)
Thermal Shutdown
Thermal Shutdown Hysteresis
V OUT Falling
V OUT Rising
85
V IN – 1.4
V IN – 1.2
150
35
20
V
V
%
°C
°C
Notes:
2. SW leakage current includes the leakage current of two internal switches; SW to GND and SW to V OUT .
3. Not tested in production; guaranteed by design.
4. Application should guarantee that minimum and maximum duty cycle fall between 20-85% to meet the specified range.
? 2011 Fairchild Semiconductor Corporation
FAN5345 ? Rev. 1.0.0
5
www.fairchildsemi.com
相关PDF资料 |
PDF描述 |
|---|---|
| VI-B21-CY-S | CONVERTER MOD DC/DC 12V 50W |
| REC3-1209DRW/H2/C | CONV DC/DC 3W 9-18VIN +/-09VOUT |
| REC3-1209DRW/H2/A | CONV DC/DC 3W 9-18VIN +/-09VOUT |
| LFXP10C-3FN256C | IC FPGA 9.7KLUTS 188I/O 256-BGA |
| VI-23Z-CY-S | CONVERTER MOD DC/DC 2V 20W |
相关代理商/技术参数 |
参数描述 |
|---|---|
| FAN5345S30X | 功能描述:LED照明驱动器 Async Series Driver SingleWire Dig Intfc RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
| FAN5346 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Series Boost LED Driver with PWM Dimming Interface |
| FAN5346S20X | 功能描述:LED照明驱动器 Async Series Driver ANLG PWM DIM Intfc RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
| FAN5346S30X | 功能描述:LED照明驱动器 Async Series Driver ANLG PWM DIM Intfc RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
| FAN5350 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:3MHz, 600mA Step-Down DC-DC Converter in Chip-Scale and MLP Packaging |
发布紧急采购，3分钟左右您将得到回复。