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| 型号： | MC34262DR2G |
| 厂商： | ON Semiconductor |
| 文件页数： | 1/19页 |
| 文件大小： | 394K |
| 描述： | IC PFC CONTROLLER CRM 8SOIC |
| 标准包装： | 2,500 |
| 模式： | 临界传导（CRM） |
| 电流 - 启动： | 250µA |
| 电源电压： | 12 V ~ 28 V |
| 工作温度： | 0°C ~ 85°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-SOICN |
| 包装： | 带卷 (TR) |
| 其它名称： | MC34262DR2GOS MC34262DR2GOS-ND MC34262DR2GOSTR |
?Semiconductor Components Industries, LLC, 2013
August, 2013 Rev. 14
1
Publication Order Number:
MC34262/D
MC34262, MC33262
Power Factor Controllers
The MC34262/MC33262 are active power factor controllers
specifically designed for use as a preconverter in electronic ballast
and in offline power converter applications. These integrated
circuits feature an internal startup timer for standalone applications,
a one quadrant multiplier for near unity power factor, zero current
detector to ensure critical conduction operation, transconductance
error amplifier, quickstart circuit for enhanced startup, trimmed
internal bandgap reference, current sensing comparator, and a totem
pole output ideally suited for driving a power MOSFET.
Also included are protective features consisting of an overvoltage
comparator to eliminate runaway output voltage due to load removal,
input undervoltage lockout with hysteresis, cyclebycycle current
limiting, multiplier output clamp that limits maximum peak switch
current, an RS latch for single pulse metering, and a drive output high
state clamp for MOSFET gate protection. These devices are
available in dualinline and surface mount plastic packages.
Features
" Overvoltage Comparator Eliminates Runaway Output Voltage
" Internal Startup Timer
" One Quadrant Multiplier
" Zero Current Detector
" Trimmed 2% Internal Bandgap Reference
" Totem Pole Output with High State Clamp
" Undervoltage Lockout with 6.0 V of Hysteresis
" Low Startup and Operating Current
" Supersedes Functionality of SG3561 and TDA4817
" These are PbFree and HalideFree Devices
Figure 1. Simplified Block Diagram
Voltage
Feedback
Input
Multiplier,
Latch,
PWM,
Timer,
&
Logic
Error Amp
Multiplier
Undervoltage
Lockout
2.5V
Reference
Zero Current Detector
5
8
6
7
4
3
2
1
Drive Output
GND
Zero Current
Detect Input
Multiplier
Input
Compensation
V
CC
Current Sense
Input
Overvoltage
Comparator
+
1.08 V
ref
+
V
ref
Quickstart
POWER FACTOR
CONTROLLERS
PIN CONNECTIONS
SOIC8
D SUFFIX
CASE 751
8
1
8
1
PDIP8
P SUFFIX
CASE 626
Voltage Feedback
Input
1
2
3
4
8
7
6
5
(Top View)
Compensation
Multiplier Input
Current Sense
Input
V
CC
Drive Output
GND
Zero Current
Detect Input
http://onsemi.com
See detailed ordering and shipping information in the package
dimensions section on page 17 of this data sheet.
ORDERING INFORMATION
x
= 3 or 4
A
= Assembly Location
WL, L = Wafer Lot
YY, Y = Year
WW, W = Work Week
G
= PbFree Package
G
= PbFree Package
MARKING
DIAGRAMS
MC3x262P
AWL
YYWWG
1
8
3x262
ALYW
G
1
8
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MC34262P | 功能描述:功率因数校正 IC Critical Mode PFC RoHS:否 制造商:Fairchild Semiconductor 开关频率:300 KHz 最大功率耗散: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Reel |
| MC34262PG | 功能描述:功率因数校正 IC Critical Mode PFC w/OVP RoHS:否 制造商:Fairchild Semiconductor 开关频率:300 KHz 最大功率耗散: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Reel |
| MC34262PG | 制造商:ON Semiconductor 功能描述:Power Supply IC |
| MC34268D | 功能描述:低压差稳压器 - LDO 2.85V 800mA SCSI-2 RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| MC34268DG | 功能描述:低压差稳压器 - LDO 2.85V 800mA SCSI-3 Active Terminator RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
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