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AT1369BR Datasheet(PDF) 4 Page - Aimtron Technology |
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AT1369BR Datasheet(HTML) 4 Page - Aimtron Technology |
4 / 12 page AT1369 Preliminary Product Information 2-Channel Synchronous Buck PWM Controller with Power Good Reset 2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 WWW: http://www.aimtron.com.tw Fax: 886-3-563-0879 Email: service@aimtron.com.tw 4 Electrical Characteristics (VCC = 5V,Ta =+25℃ , unless otherwise noted. ) Values Parameter Symbol Condition Min. Typ. Max. Unit Input Supply Range V CC 2.5 -- 7.0 V Quiescent Current I CC Duty=50%, fOSC=600KHz PDRV/NDRV No Load 1.5 2.0 mA Current in standby mode I ST CTL=0V 10 µA Reference Voltage V REF Ta =-20℃ to +85℃ 1.20 1.22 1.24 V Reference Voltage line-regulation V REF-Line VCC=2.5V to 7.0V 110 mV Entire device Rference Variation with Temperature Ta =-20℃ to +85℃ 0.5 1.5 % Input Offset Voltage V IO 10 mV Source Current I OH V COMP = VREF -0.5V -1.0 -1.5 -2.0 mA Sink Current I OL V COMP = 0.5V 160 120 80 μ A Source current Variation with temperature Ta =-20℃ to +85℃ 20 % Sink current Variation with temperature Ta =-20℃ to +85℃ 20 % Unity Gain Bandwidth f T 10.0 MHz Common Mode Input Voltage Range V COM 0.2 1.5 V Error amplifier DC Open Loop Gain A V 110 dB fosc AT1369A 250 300 350 KHz Frequency fosc AT1369B 500 600 700 KHz High Level Voltage 1.0 V Low Level Voltage 0.5 V Variation with Power Supply Vcc=2.5V to 7V 2 % Sawtooth wave oscillator (OSC) Variation with temperature Ta =-20℃ to +85℃ 7% Charge Current of SS1,2 I CSS1,2 -1.5 -1.0 -0.8 µA Soft-Start Invalid threshold voltage of SS1,2 1.0 V Charge Current of SCP I CSCP -1.7 -1.25 -1.0 µA Short-Circuit Threshold Voltage of SCP 0.9 V |
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