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参数资料
| 型号： | FAN5340UCX |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 5/12页 |
| 文件大小： | 0K |
| 描述： | IC LED DVR SYNC BOOST 8-WLCSP |
| 标准包装： | 3,000 |
| 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： | 通用 |
| 频率： | 1MHz ~ 1.4MHz |
| 电源电压： | 2.7 V ~ 4.8 V |
| 输出电压： | 6.2 V ~ 16 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-WLCSP |
| 供应商设备封装： | 8-WLCSP |
| 包装： | 带卷 (TR) |
| 工作温度： | -40°C ~ 85°C |
Electrical Specifications
V IN = 2.7V to 4.8V and T A = -40°C to +85°C unless otherwise noted. Typical values are at T A = 25°C and V IN = 3.6V.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Units
Power Supplies
I Q
Quiescent Current
EN = V IN , Device Not Switching
1
mA
I SD
Shutdown Supply Current
EN = GND, V IN = 3.6V
0.3
1.0
μ A
V UVLO
Under-Voltage Lockout
V IN Rising
V IN Falling
2.30
2.00
2.40
2.15
2.50
2.25
V
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 Ω
t SD
EN Low to Shutdown Delay
From Falling Edge of EN
20
80
ms
Feedback and Reference
V FB
I FB
Feedback Voltage
Feedback Input Current
V FB = 500mV
480
500
0.1
520
1.0
mV
μ A
Power Outputs
R DS(ON)_Q1 Boost Switch On-Resistance
R DS(ON)_Q2 Synchronous Rectifier On-Resistance
R DS(ON)_Q3 Load Switch On-Resistance
V IN = 3.6V, V OUT = 10V, I SW = 100mA
V IN = 2.7V, V OUT = 10V, I SW = 100mA
V OUT = 10V, I SW = 100mA
V OUT = 10V, I LED = 10mA
600
850
2.0
2.8
m Ω
Ω
Ω
SW Node Leakage
I SW(OFF)
(2)
EN = 0, V IN = V SW = V OUT = 5.5V,
V LED = 0
0.1
1.0
μ A
I LIM-PK
Boost Switch Peak Current Limit
V IN = 3.6V
325
400
475
mA
Oscillator
f SW
Boost Regulator Switching Frequency
1.0
1.2
1.4
MHz
PWM Dimming
PWM Duty Cycle
D PWM
(3)
PWM Dimming Frequency ≤ 1kHz
1.0
100
%
Output and Protection
V OVP
V OVPHYST
V THSC
D MAX
D MIN
T SD
T HYS
Boost Output Over-Voltage Protection
OVP Hysteresis
V LED Short-Circuit Detection Threshold
(3)
Maximum Boost Duty Cycle
(3)
Minimum Boost Duty Cycle
Thermal Shutdown
Thermal Shutdown Hysteresis
V OUT Falling
V OUT Rising
18.0
85
19.0
0.8
V IN – 1.5
V IN – 1.3
150
25
20.0
20
V
V
V
V
%
%
°C
°C
Notes:
2. SW leakage current includes the leakage current of three internal switches; SW to GND, V OUT to V LED , and SW to V OUT .
3. Guaranteed by design.
? 2010 Fairchild Semiconductor Corporation
FAN5340 ? Rev. 1.0.1
5
www.fairchildsemi.com
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