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| 型号： | CS1501-FSZ |
| 厂商： | Cirrus Logic Inc |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | IC PFC CONTROLLER DCM OCP 8SOIC |
| 产品变化通告： | CS1501, 1601 Datasheet Update Change 11/Jan/2012 |
| 设计资源： | CS150x/160x PCB Layout Guidelines Driving Mosfets with CS1501/1601 CS1501/1601 Driving ZCD Pin from Mosfet Drain |
| 特色产品： | CS1501/CS1601 Power Factor Correction IC Controllers |
| 标准包装： | 100 |
| 模式： | 临界传导（CRM），间歇导电（DCM） |
| 频率 - 开关： | 70kHz |
| 电流 - 启动： | 68µA |
| 电源电压： | 7.9 V ~ 17 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 散装 |
| 其它名称： | 598-1912 |
CS1501
Digital Power Factor Correction Control IC
Features
? Digital EMI Noise Shaping
? Adaptive Digital Energy Controller
? Excellent Efficiency Under All Load and Line Conditions
? Zero-voltage Switching Topology
? Minimal External Devices Required
? Adaptive Digital Control Loop
? Comprehensive Safety Features
? Undervoltage Lockout (UVLO)
? Output Overvoltage Protection
? Cycle-by-cycle Current Limiting
? Open/Short Loop Protection for IAC & IFB Pins
? Thermal Shutdown
? Pin Placement Similar to Traditional Boundary Mode (CRM)
Controllers
Applications
? LCD and LED TVs
? Notebooks
? Server/Telecom
Overview
The CS1501 is a high-performance digital power factor
correction (PFC) controller designed for switching mode power
supply (SMPS) applications. The CS1501 actively manages
the power factor correction while achieving high efficiency over
a wide load range.
The CS1501 adaptively controls the input AC current so that it
is in phase with the AC mains voltage, and its waveform mimics
the input voltage waveform. The PFC controller executes
adaptive digital algorithms designed to shape the AC mains
input current waveform to be in phase with the input voltage
waveform.
The CS1501 is equipped with a zero-current detection (ZCD)
circuit providing the PFC digital controller the capability to turn
on the MOSFET when the voltage across the drain and source
is near zero. Additionally, a current-sensing circuit is
incorporated for instantaneous overcurrent protection.
Ordering Information
V rect
L B
D1
V link
BR1
BR1
R1
V DD
R5
R6
AC
Mains
C1
R2
R3
5 ZCD
3
IAC
8
VDD
CS1501
1
IFB
GD
CS
7
4
Q1
C2
Regulated
DC Output
BR 1
BR 1
R4
STBY
2
GND
6
R7
Cirrus Logic, Inc.
Copyright ? Cirrus Logic, Inc. 2012
(All Rights Reserved)
FEB’12
DS927F4
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