PWM CONTROLLER

PWM Controller

文件：90.24 Kbytes 页数：5 Pages

Samsung

三星

SMPS Controller

Description The KA7552A/KA7553A are switching power control IC for wide operating frequency range. The internal circuits include pulse by pulse current limiting, protection, on/off control by external trigger, low standby current, soft start, and high current totempole output for driving a POWE

文件：176.9 Kbytes 页数：6 Pages

Fairchild

仙童半导体

SMPS Controller

Description The KA7552A/KA7553A are switching power control IC for wide operating frequency range. The internal circuits include pulse by pulse current limiting, protection, on/off control by external trigger, low standby current, soft start, and high current totempole output for driving a POWE

文件：176.9 Kbytes 页数：6 Pages

Fairchild

仙童半导体

PWM CONTROLLER

PWM Controller

文件：90.24 Kbytes 页数：5 Pages

Samsung

三星

SMPS Controller

Description The KA7552A/KA7553A are switching power control IC for wide operating frequency range. The internal circuits include pulse by pulse current limiting, protection, on/off control by external trigger, low standby current, soft start, and high current totempole output for driving a POWE

文件：176.9 Kbytes 页数：6 Pages

Fairchild

仙童半导体

SMPS Controller

文件：346.9 Kbytes 页数：6 Pages

ONSEMI

安森美半导体

SMPS Controller

文件：346.9 Kbytes 页数：6 Pages

ONSEMI

安森美半导体

PWM Controller programmable frequency upto 600khz

KA7552A/KA7553A是可用于广泛工作频率范围的开关功率控制IC。内部电路包括逐脉冲限流、保护、外部触发器提供的开/关控制、低待机电流、软启动以及用于驱动Power MOSFET的高电流图腾柱输出。KA7552A的最大占空比为70%，而KA7553A的最大占空比为46%。当占空比达到最大时，引脚2与引脚8的输入阈值电压不同于KA7552A和KA7553A中的电压。 •内置驱动电路，可直接连接 Power MOSFET (lO = ±1.5 A)\n•宽工作频率范围(5KHz - 600KHz)\n•逐脉冲过流限制\n•过载保护\n•外部触发器提供的开/关控制\n•内部UVLO\n•低待机电流（典型值90uA）\n•软启动电路;

ONSEMI

安森美半导体

PWM Controller programmable frequency upto 600khz

KA7552A/KA7553A是可用于广泛工作频率范围的开关功率控制IC。内部电路包括逐脉冲限流、保护、外部触发器提供的开/关控制、低待机电流、软启动以及用于驱动Power MOSFET的高电流图腾柱输出。KA7552A的最大占空比为70%，而KA7553A的最大占空比为46%。当占空比达到最大时，引脚2与引脚8的输入阈值电压不同于KA7552A和KA7553A中的电压。 •内置驱动电路，可直接连接 Power MOSFET (lO = ±1.5 A)\n•宽工作频率范围(5KHz - 600KHz)\n•逐脉冲过流限制\n•过载保护\n•外部触发器提供的开/关控制\n•内部UVLO\n•低待机电流（典型值90uA）\n•软启动电路;

ONSEMI

安森美半导体

PWM CONTROLLER

Samsung

三星