No. | parte # | Fabricante | Descripción | Hoja de Datos |
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UTC |
CURRENT MODE PWM CONTROLLER for accomplishment of fixed frequency, current mode control functions, however it contains the least external parts. The performance of this technique is superior to the others in better line regulation, enhanced load response characteristics while d |
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UTC |
HIGH VOLTAGE GREEN MODE PWM CONTROLLER * High voltage startup * Power on soft start reducing MOSFET VDS stress * Efficiency and minimum standby power * Frequency shuffling for EMI * Audio noise free operation * Fixed 65 kHz switching frequency * Comprehensive protection coverage VDD Under |
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UTC |
LOW COST POWER-SAVING MODE PWM CONTROLLER * UTC proprietary frequency hopping technology for Improved EMI performance. * Power-saving mode for high light-load and standby efficiency * Dynamic peak current limiting for constant output power * Built-in synchronized slope compensation * OTP,OL |
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UTC |
CONTROLLERS * Trimmed oscillator for precise frequency control * Oscillator frequency guaranteed at 250kHz * Current mode operation to 500kHz * Automatic feed forward compensation * Latching PWM for cycle-by-cycle current limiting * Internally trimmed reference |
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UTC |
CURRENT MODE PWM CONTROL CIRCUITS *Low Start Up Current ( Typical 0.12mA ) *Automatic Feed Forward Compensation *Pulse-by-Pulse Current Limiting *Under-voltage Lockout with Hysteresis *Double Pulse Suppression *High Current Totem Pole Output to Drive MOSFET Directly *Internally Trimm |
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UTC |
HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS * Operation output switching frequency up to 500 kHz * Automatic feed forward compensation * Latching PWM for cycle-by-cycle current limiting * High current totem pole output * Internally trimmed reference with under voltage lockout * UVLO with hyste |
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UTC |
CONTROLLERS * Trimmed oscillator for precise frequency control * Oscillator frequency guaranteed at 250kHz * Current mode operation to 500kHz * Automatic feed forward compensation * Latching PWM for cycle-by-cycle current limiting * Internally trimmed reference |
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UTC |
2A PWM BUCK SWITCHING REGULATOR * Voltage mode non-synchronous PWM control * Thermal-shutdown and current-limit protection * ON/OFF shutdown control input * Input voltage range up to 40V * Output load current: 2A * 200 kHz fixed frequency internal oscillator * Low power standby mod |
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Unisonic Technologies |
CURRENT MODE PWM CONTROL CIRCUITS *Low external part count. *Low start up current ( Typical 0.12mA ) *Automatic feed forward compensation *Pulse-by-Pulse current limiting *Under-voltage lockout with hysteresis *Double pulse Suppression *High current totem pole output to drive MOSFET |
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UTC |
CURRENT MODE PWM CONTROL CIRCUITS *Low Start Up Current ( Typical 0.12mA ) *Automatic Feed Forward Compensation *Pulse-by-Pulse Current Limiting *Under-voltage Lockout with Hysteresis *Double Pulse Suppression *High Current Totem Pole Output to Drive MOSFET Directly *Internally Trimm |
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Unisonic Technologies |
CURRENT MODE PWM CONTROL CIRCUITS *Low external part count. *Low start up current ( Typical 0.12mA ) *Automatic feed forward compensation *Pulse-by-Pulse current limiting *Under-voltage lockout with hysteresis *Double pulse Suppression *High current totem pole output to drive MOSFET |
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UTC |
LOW COST POWER-SAVING MODE PWM CONTROLLER * UTC proprietary frequency hopping technology for Improved EMI performance. * Power-saving mode for high light-load and standby efficiency * Soft Start * Dynamic peak current limiting for constant output power * Built-in synchronized slope compensa |
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UTC |
CURRENT MODE PWM CONTROLLER * Operation output switching frequency up to 500 kHz * Automatic feed forward compensation * Latching PWM for cycle-by-cycle current limiting * High current totem pole output * Internally trimmed reference with under voltage lockout * UVLO with hyste |
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UTC |
HIGH EFFICIENCY * Low RDS(ON) for internal switches (top/bottom) 100mΩ/70mΩ, 3A * 3~5.5V input voltage range * 1MHz switching frequency minimizes the external components * Internal softstart limits the inrush current *100% dropout operation * Output power good indi |
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UTC |
CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER * CV/CC linear charge * 3A maximum charge current * PWM control Mode * Available charge current * Over Voltage protect ,Over Current Protect * Enable Control function * Very Low Power Dissipation in Standby Mode ORDERING INFORMATION Ordering Num |
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UTC |
HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS * Operation output switching frequency up to 500 kHz * Automatic feed forward compensation * Latching PWM for cycle-by-cycle current limiting * High current totem pole output * Internally trimmed reference with under voltage lockout * UVLO with hyste |
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UTC |
SYNCHRONOUS STEP-DOWN DC/DC CONVERTER * Input voltage: 2.0V~6.0V * Output voltage: 0.8V~4.0V (+2.0%) * P-ch ON resistance: 0.42Ω * N-ch ON resistance: 0.52Ω * Output current: 600mA * Oscillation frequency: 3.0MHz (+15%) * Maximum duty cycle: 100% * High efficiency : 92% (TYP.) * High spe |
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UTC |
HIGH EFFICIENCY VFM CONTROLLED STEP-UP DC/DC CONVERTER * 0.8V start-up voltage * 0.5V hold-on voltage * Output current up to 150mA * Low supply current of 18μA * Wide output voltage range of 2.5V~5.5V * High efficiency up to 88% * Low profile and minimum external components ORDERING INFORMATION Order |
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UTC |
PWM/PFM SWITCHABLE STEP-UP DC-DC CONTROLLER * Input Voltage Range:0.9~8V * Output Voltage Range:1.8~6V Programmable in 0.1V with High Accuracy ± 2.5% * High Efficiency 88% (Typ.) * Low Start-up Voltage of 0.9V Typical at IOUT = 1.0mA * Oscillator Frequency: 300kHz.(±20%) * Chip Enable Pin with |
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UTC |
HIGH PERFORMANCE CURRENT MODE CONTROLLERS * With burstmode for lower standby power * With greenmode for higher light load efficiency * Oscillator frequency guaranteed at 250kHz * Automatic feed forward compensation * Latching PWM for cycle-by-cycle current limiting * Internally trimmed refer |
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