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参数资料
| 型号： | MC34262P |
| 厂商： | MOTOROLA INC |
| 元件分类： | 稳压器 |
| 英文描述： | POWER FACTOR CONTROLLERS |
| 中文描述： | 0.5 A POWER FACTOR CONTROLLER, PDIP8 |
| 封装： | PLASTIC, DIP-8 |
| 文件页数： | 1/16页 |
| 文件大小： | 391K |
| 代理商： | MC34262P |
SEMICONDUCTOR
TECHNICAL DATA
POWER FACTOR
CONTROLLERS
PIN CONNECTIONS
Order this document by MC34262/D
D SUFFIX
PLASTIC PACKAGE
CASE 751
(SO–8)
8
1
8
1
P SUFFIX
PLASTIC PACKAGE
CASE 626
Voltage Feedback
Input
1
2
3
4
8
7
6
5
(Top View)
Compensation
Multiplier Input
Current Sense
Input
VCC
Drive Output
Gnd
Zero Current
Detect Input
Device
Operating
Temperature Range
Package
ORDERING INFORMATION
MC34262D
MC34262P
TA = 0
°
to +85
°
C
SO–8
Plastic DIP
MC33262D
MC33262P
SO–8
Plastic DIP
TA = –40
°
to +105
°
C
1
MOTOROLA ANALOG IC DEVICE DATA
The MC34262/MC33262 are active power factor controllers specifically
designed for use as a preconverter in electronic ballast and in off–line power
converter applications. These integrated circuits feature an internal startup
timer for stand–alone 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, cycle–by–cycle 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 dual–in–line and surface
mount plastic packages.
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
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
VCC
Current Sense
Input
Overvoltage
Comparator
+1.08 Vref
+
Vref
Quickstart
Motorola, Inc. 1996
Rev 1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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 |
| MC34268DR2 | 功能描述:低压差稳压器 - LDO 2.85V 800mA SCSI-4 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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