- 您现在的位置：买卖IC网 > PDF目录163730 > 88EM8081XX-SAG2C000-T (MARVELL SEMICONDUCTOR INC) 2 A POWER FACTOR CONTROLLER, 120 kHz SWITCHING FREQ-MAX, PDSO8 PDF资料下载
参数资料
| 型号： | 88EM8081XX-SAG2C000-T |
| 厂商： | MARVELL SEMICONDUCTOR INC |
| 元件分类： | 稳压器 |
| 英文描述： | 2 A POWER FACTOR CONTROLLER, 120 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封装： | GREEN, SOIC-8 |
| 文件页数： | 11/64页 |
| 文件大小： | 667K |
| 代理商： | 88EM8081XX-SAG2C000-T |
第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页当前第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页第36页第37页第38页第39页第40页第41页第42页第43页第44页第45页第46页第47页第48页第49页第50页第51页第52页第53页第54页第55页第56页第57页第58页第59页第60页第61页第62页第63页第64页
Functional Description
Overview
Copyright 2010 Marvell
Doc. No. MV-S106340-01 Rev. B
August 6, 2010, Preliminary Information
Document Classification: Proprietary
Page 19
3
Functional Description
3.1
Overview
The 88EM8080/88EM8081 is a high-performance power factor correction controller for single stage flyback LED
lighting applications with a minimum number of components at a low cost. The following section outlines the
functions of various input and output signals of the 88EM8080/88EM8081 device as listed below in Table 5 .
Table 5:
Functional Summary
Sec t ion
Pin Name
Fun cti o n
VDD
Bias power for IC
PGND/SGND
Power and signal ground is the return for power and signals
SW
Gate drive output
VIN
Input voltage sensing and brown-out protection
FB
Inverting input of an internal error amplifier used for regulation of output voltage / current
ISNS
Input current sensing used for providing PFC and for adaptive over current protection
OCP
Over current protection used for cycle by cycle protection
Figure 3: Top Level Block Diagram
DSP
Core
88EM8080/8081
Current
Amplifier
MUX
Switcher
&
ADC
Current
Protection
Threshold
Selection
Zero Cross
Detect
Power
Distribution
and
Bandgaps
Startup Setting
or
Frequency Setting
Over
Temperature
Gate
Driver
Current Protection
Protection
Management
Clock
ISNS
FB
VIN
I_over
Vo_over
T_over
Vo_over
SW
OCP
VDD
Oscillator
Fault
Driver
Disable
PGND
SGND
Output
Voltage
Level Detect
Serial Data
Interface
State
Machine
Note
I_over, Vo_over, and T_over are the over current, over voltage, and over temperature signals
respectively.
相关PDF资料 |
PDF描述 |
|---|---|
| 890-001-9PA1-2C2-18T | 9 CONTACT(S), MALE, D NANOMINIATURE CONNECTOR, CRIMP, PLUG |
| 890-001-15PA2-2C7-18T | 15 CONTACT(S), MALE, D NANOMINIATURE CONNECTOR, CRIMP, PLUG |
| 890-001-25PA2-2C2-18T | 25 CONTACT(S), MALE, D NANOMINIATURE CONNECTOR, CRIMP, PLUG |
| 890-001-51PA1-2A1-18T | 51 CONTACT(S), MALE, D NANOMINIATURE CONNECTOR, CRIMP, PLUG |
| 890-001-9PA2-2A1-18T | 9 CONTACT(S), MALE, D NANOMINIATURE CONNECTOR, CRIMP, PLUG |
相关代理商/技术参数 |
参数描述 |
|---|---|
| 88EM8082A1-SAG2C000 | 制造商:Marvell 功能描述:?ACTIVE PFC CONTROLLER FOR AC-DC FLYBACK LED APPLICATIONS - Bulk 制造商:Marvell 功能描述:88EM8082 Series - Single-Stage 120 kHz Fly-back AC/DC LED Driver - SOIC-8 |
| 88EM8182B0-SAE2C000-AL00 | 制造商:Marvell 功能描述:?NON-DIMMABLE, TRIAC AC/DC LED DRIVER, 110V/220V, LOW VOLTAG - Trays |
| 88EM8182B0-SAE2C000TAL00 | 制造商:Marvell 功能描述:?NON-DIMMABLE; TRIAC AC/DC LED DRIVER; 110V/220V; LOW VOLTAG - Tape and Reel 制造商:Marvell 功能描述:88EM8182 Series - Fly-back Non-Dimmable LED Driver 110V/220V - 8-Pin SOIC |
| 88EM8183B0-SAE2C000-AL00 | 制造商:MARVELL 功能描述:0 |
| 88EM8183B0-SAE2C000TAL00 | 制造商:Marvell 功能描述:?DIMMABLE; TRIAC AC/DC LED DRIVER; 110V/220V; LOW VOLTAGE + - Tape and Reel 制造商:Marvell 功能描述:Marvell 88EM8183 Series 19V Universal Triac Dimmable LED Driver - SOIC-8 |
发布紧急采购，3分钟左右您将得到回复。