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CM6901XIS Datasheet(PDF) 3 Page - Champion Microelectronic Corp. |
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CM6901XIS Datasheet(HTML) 3 Page - Champion Microelectronic Corp. |
3 / 15 page CM6901 SLS (SRC/LLC+SR) Controller with 1 FM+2 PWMs 2009/11/02 Rev1.4 Champion Microelectronic Corporation Page 3 PIN DESCRIPTION Operating Voltage Pin No. Symbol Description Min. Typ. Max. Unit 1 RSET External resistor which convert FEAO voltage signal into current signal for frequency modulation. SR is PWMing Control , when RSET lower than 1.5V. 0 5.5 V 2 VFB Non-inverting input into resonant error amplifier . 0 2.5 3 V 3 FEAO Resonant error amplifier output and compensation node for frequency modulation control. 0 5.5 V 4 D_IN- Inverting input into PWM error amplifier. 0 6 V 5 D_IN+ Non-inverting input into PWM error amplifier. 0 6 V 6 DEAO PWM error amplifier output and compensation node for PWM control. 0 4.5 V 7 CSS Soft start for FM/PWM operation with 1V enable threshold. Also, use for auto-restart operation during current limit. 0 5.5 V 8 ILIM Input to current comparator with 1V threshold. 0 1 1.25 V 9 RTCT Oscillator timing components which set the minimum frequency. 1.2 3 V 10 GND Ground 11 SDRVB Synchronous MOSFET driver output. -0.3 VCC V 12 SDRV Synchronous MOSFET driver output. -0.3 VCC V 13 PRIDRVB Primary side MOSFET driver output. -0.3 VCC V 14 PRIDRV Primary side MOSFET driver output. -0.3 VCC V 15 VCC Positive supply for the IC 10 15 20 V 16 VREF Buffered output for the 7.5V voltage reference 7.5 V |
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