参数资料
型号: MC34063AN
厂商: Electronic Theatre Controls, Inc.
元件分类: DC/DC变换器
英文描述: DC-DC Converter Control Circuits
中文描述: DC - DC转换控制电路
文件页数: 1/10页
文件大小: 130K
代理商: MC34063AN
DC-DC Converter Control Circuits
MC34063A
● OUTPUT SWITCH CURRENT IN EXCESS OF
1.5A
2% REFERENCE ACCURACY
LOW QUIESCENT CURRENT:2.5mA(TYP.)
OPERATING FROM 3V TO 40V
REQUENCY OPERATION TO 100KHz
ACTIVE CURRENT LIMITING
DESCRIPTION
The MC34063A series is a monolithic control
circuit delivering the main functions for DC-DC
voltage converting.
The device contains an intermal temperature
compensated reference, comparator, duty cycle
controlled oscillator with an active current limit
circuit driver and high current output switch.
Output voltage is adjustable through two external
resistors with a 2% reference accuracy.
Employing a minimum number of external
components the MC34063A devices series is
designed for Step-Down, Step-Up and
Voltage-lnverting applications.
ORDERING INFORMATION
Device
MC34063AD
BLOCK DIAGRAM
HTC
1
MC34063AN
8 DIP
Package
8 SOP
Ipk Oscillator
s
R
8
3
6
4
5
7
2
1
Q
+
Vcc
Drive
Collector
Ipk Sense
Switch
Emitter
Switch
Collector
GND
-
1.25V
Reference
Regulator
Comparator
lnverting
input
Comparator
Q2
Q1
Timing
Capacitor
1
2
3
4
8
7
6
5
Switch
Emitter
Timing
Capacitor
Ground
Ipk Sense
Vcc
Comparator
- Input
Drive
Collector
Switch
Collector
8 SOP/ 8 DIP PIN Configulation
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相关代理商/技术参数
参数描述
MC34063AP 功能描述:直流/直流开关调节器 1.5-A Boost/Buck Inverting Swtch Reg RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5
MC34063AP1 功能描述:直流/直流开关调节器 40V 1.5A RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5
MC34063AP1G 功能描述:直流/直流开关转换器 40V 1.5A Buck/Boost/Inverting RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT
MC34063AP1G 制造商:ON Semiconductor 功能描述:Power Supply IC Package/Case:8-PDIP
MC34063APE4 功能描述:直流/直流开关调节器 1.5-A Boost/Buck Inverting Swtch Reg RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5