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參數(shù)資料
| 型號： | CS1500-FSZ |
| 廠商： | CIRRUS LOGIC INC |
| 元件分類： | 穩(wěn)壓器 |
| 中文描述： | 0.5 A POWER FACTOR CONTROLLER, 70 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | 0.150 INCH, LEAD FREE, MS-012, SOIC-8 |
| 文件頁數(shù)： | 1/14頁 |
| 文件大?。?/td> | 201K |
| 代理商： | CS1500-FSZ |
Copyright
Cirrus Logic, Inc. 2010
(All Rights Reserved)
Cirrus Logic, Inc.
CS1500
Digital Power Factor Correction IC
Features & Description
Digital EMI Noise Shaping
Excellent Efficiency Under All Load Conditions
Minimal External Devices Required
Optimized Digital Loop Compensation
Comprehensive Safety Features
Undervoltage Lockout (UVLO)
Output Overvoltage Protection
Input Current Limiting
Open/short Loop Protection for IAC & IFB Pins
Thermal Shutdown
Applications & Description
LCD and LED TVs
Monitor Supplies
Battery Chargers
Description
The CS1500 is a high-performance power factor correction (PFC)
controller for universal AC input, which uses a proprietary digital
algorithm for discontinuous conduction mode (DCM) with variable
on-time and variable frequency control, ensuring unity power factor.
The CS1500 incorporates all the safety features necessary for
robust and compact PFC stages. In addition, it has burst mode
control to lower the light-load/standby losses to a minimum.
Protection features such as overvoltage, open- and short-circuit
protection, and overtemperature help protect the device during
abnormal transient conditions.
The digital controller optimizes the system stability and transient
performance, simplifies the PFC design, reduces the external
component count and BOM costs. The simple design and
minimum cost makes CS1500 the ideal choice for PFC up to 300
watts.
Ordering Information
See page 13.
7
4
D2
C1
D1
C3
Regulated
DC Output
Q1
AC
Mains
BR 1
BR1
BR 1
BR1
CS1500
GD
IFB
GND
IAC
VDD
L
B
5
3
6
VDD
R1
R2
R3
R4
C2
R5
NOV ‘10
DS849F1
Nov ?$shortyear>
CONFIDENTIAL
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