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ACE1502ADJFM+H Fiches technique(PDF) 1 Page - ACE Technology Co., LTD. |
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ACE1502ADJFM+H Fiches technique(HTML) 1 Page - ACE Technology Co., LTD. |
1 / 13 page ACE150X Technology 150KHz,2A, PWM Step-Down DC/DC Converter VER 1.2 1 Description The ACE150x series are monolithic IC designed for a step-down DC/DC converter, and own the ability of driving 2A load without additional transistor. It saves board space. The Internal compensation makes feedback control having good line and load regulation without external design. Regarding protected function, thermal shutdown is to prevent over temperature operating from damage, and current limit is against over current operating of the output switch. If current limit function occurs and VFB is down below 0.5V, the switching frequency will be reduced. The ACE150x series operate at a switching frequency of 150KHz. Other features include a guaranteed +4% tolerance on output voltage under specified input voltage and output load conditions, and +15% on the oscillator frequency. The output version included fixed 3.3V, 5V, 12V, and an adjustable type. The chips are available in a standard 8-lead SOP-8 package.. Features • Guaranteed 2A output current • 3.3V, 5V, 12V and adjustable output versions • Thermal shutdown and current limit protection • Internal oscillator of 150kHz fixed frequency. • Built-in TTL On/Off control Application • One Channel switching regulators • LCD Monitors • High-efficiency step-down regulator Absolute Maximum Ratings Parameter Symbol Max Unit Input supply voltage VCC 24 V ON/OFF Pin Input Voltage VSD -0.3 to +18 V Feedback Pin Voltage VFB -0.3 to +18 V Output Voltage to Ground VOUT -1 V Power Dissipation PD Internally Limited W Thermal resistance junction to ambient SOP-8 θJA 70 OC/W Operating junction temperature TJ 150 OC Storage temperature range TSTG - 60 to 150 OC Operating temperature TOPR -40 to +125 OC Note : Exceeding these rating could cause damage to the device. All voltages are with respect to Ground. Currents are positive into, negative out of the specified terminal. |
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