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ELM650DA Datasheet(PDF) 4 Page - ELM Electronics |
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ELM650DA Datasheet(HTML) 4 Page - ELM Electronics |
4 / 10 page 4 Rev.1.2 10 - Parameter Symbol Condition Min. Typ. Max. Unit Input voltage section Input voltage Vin 8 36 V Input no load current Ino-load Iout=0A 10 mA Oscillator section Operating frequency Fosc 90 110 kHz Duty cycle range Duty 95 % Error amplifier section Reference voltage of the voltage error amplifier Vvsen 1.168 1.180 1.192 V Reference voltage of the current error amplifier Visen 107.5 112.0 116.5 mV Tran conductance of error amplifier Gmerr 150 µA/V Output over voltage protection section Reference voltage of the over voltage comparator Vovp 1.145 1.180 1.215 V Output short circuit protection section Reference voltage of the short circuit fold back comparator Vscp 0.4 V MOSFET section Drain-source breakdown voltage V(br)dss Vgs=0V, Iout=250µA -40 V Drain-source on-state resistance Rds (on) Vin=24V, Iout=1A 200 mΩ ■Electrical characteristics Vin=12V, Iout=1.0A, Top=25°C, unless otherwise specified ELM650DA CC/CV Mode 36V step down 2A DC/DC converter ■Application circuits ELM650DA COMP GND VCC OVP LX ISEN+ ISEN- VSEN R5 R6 R9 L2 1 2 8 3 7 4 6 5 U1 L4 R2 C6 D1 R3 R4 C7 + C8 R7 R10 R8 LED Vout+ Vout- L3 R1 C10 C4 C5 + C2 C3 C1 GND Vin C9 + L1 1 2 3 4 |
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