NCP1252

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PWM Controller, Current Mode, for Forward and Flyback Applications

制造商：ON

中文数据手册

产品信息

The NCP1252 controller offers everything needed to build cost effective and reliable ac-dc switching supplies dedicated to ATX power supplies or any forward application. Thanks to the use of an internally fixed timer, NCP1252 detects an output overload without relying on the auxiliary Vcc. A Brown-Out input offers protection against low input voltages and improves the converter safety. Finally, the SOIC-8 package saves PCB space and represents a solution of choice in cost sensitive project.

Peak current mode control
Adjustable switching frequency
Latched primary overcurrent protection with 10 ms fixed delay
Adjustable soft start timer
Auto recovery brown out detection
Internal 160 ns leading edge blanking
Frequency jittering
Adjustable internal ramp compensation
+500 mA / -800 mA Source/Sink current driver capability
Skip cycle operation in light/no load operation
SOIC-8 package
Extended Vcc range up to 28 V with auto recovery UVLO

电路图、引脚图和封装图

NCP1252电路图
NCP1252电路图

在线购买

型号	制造商	描述	购买
NCP1252APG	ON	Converter Offline Flyback, Forward Topology Up to 500kHz 8-PDIP	立即购买
NCP1252DDR2G	ON	IC REG CTRLR FLYBK ISO PWM 8SOIC	立即购买
NCP1252BDR2G	ON	Converter Offline Flyback, Forward Topology Up to 500kHz 8-SOIC	立即购买
NCP1252CDR2G	ON	IC REG CTRLR FLYBK ISO PWM 8SOIC	立即购买
NCP1252ADR2G	ON	用于正激和反激应用的电流型PWM控制器	立即购买
NCP1252EDR2G	-	-	立即购买

技术资料

标题	类型	大小（KB）	下载
Stability Analysis in Multiple Loop Systems	PDF	213	点击下载
Current Mode PWM Controller for Forward and Flyback Applications	PDF	186	点击下载
2 Switch-Forward Current Mode Converter with the NCP1252	PDF	1571	点击下载
300 W SLIM LCD TV Power Supply GreenPoint® Reference Design	PDF	2048	点击下载
NCP1252 Boost and CAT4026 LED Driver Board	PDF	2048	点击下载
NCP1252 2-switch forward MathCad worksheet	UNKNOW	423	点击下载
SOIC-8 Narrow Body	PDF	61	点击下载
8 LEAD PDIP	PDF	34	点击下载

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