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BA9741 Datasheet(PDF) 3 Page - E-Tech Electronics LTD |
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BA9741 Datasheet(HTML) 3 Page - E-Tech Electronics LTD |
3 / 5 page UTCBA9741 LINEAR INTEGRATED CIRCUIT UTC UNISONIC TECHNOLOGIES CO., LTD. 3 QW-R103-017,B ABSOLUTE MAXIMUM RATINGS( Ta=25°C ) PARAMETER SYMBOL VALUE UNIT Power Supply Voltage Vcc 36 V Power Dissipation (note 1) SOP-16 DIP-16 Pd 500 650 mW Operating Temperature Topr -40 to 85 °C Storage Temperature Tstg -55 to 125 °C Output Current Io 120(note 2) mA Output Voltage Vo 36 V Note 1: When mounted on 70mm*70mm*1.6mm glass epoxy board. Reduced by 5.0mW,for each increase in Ta of 1 °C over 25°C Note 2: Should not exceed Pd and ASO values. RECOMMENDED OPERATING CONDITIONS( Ta=25°C ) PARAMETER SYMBOL MIN TYP. MAX UNIT Power Supply Voltage Vcc 3.6 6.0 35 V Output Current Io 100 mA Output Voltage Vo 35 V Error Amplifier Input Voltage VOM 0.3 1.6 V Timing Capacitor CCT 100 15000 pF Timing Resistor RRT 5.1 50 k Ω Oscillator Frequency FOSC 10 800 kHz ELECTRICAL CHARACTERISTICS( TA=25°C ,VCC=6V,UNLESS OTHERWISE NOTED.) PARAMETER SYMBOL TEST CONIDITIONS MIN TYP. MAX UNIT REFERENCE VOLTAGE BLOCK Output Voltage Vref Iref =1mA 2.4 2.5 2.6 V Input Stability VDLI Vcc =3.6~35V 1 10 mV Load Stability VDLO Iref =0~5mA 1 10 mV TRIANGULAR WAVE OSCILLATOR Oscillation Frequency Fosc RRT=10 k Ω ,CCT=220pF 320 400 480 kHz Frequency Deviation FDV Vcc=3.6~35V 1 % PROTECTION CIRCUIT Threshold Voltage VIT 1.48 1.64 1.80 V Standby Voltage VSTB No pull up 50 100 mV Latch Voltage VLT No pull up 30 100 mV Source Current ISCP 1.5 2.5 3.5 µ A Comparator Threshold Voltage VCT 5Pin,12Pin 0.9 1.05 1.2 V REST PERIOD ADJUSTMENT CIRCUIT Vt0 Duty Cycle =0% 1.79 1.97 2.15 V Input Threshold Voltage (fosc=10kHz) Vt100 Duty Cycle =100% 1.32 1.48 1.64 V |
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