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NCP5380 Datasheet(PDF) 4 Page - ON Semiconductor |
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NCP5380 Datasheet(HTML) 4 Page - ON Semiconductor |
4 / 27 page NCP5380 http://onsemi.com 4 ELECTRICAL CHARACTERISTICS VCC = 5 V, FBRTN = 112.5 mV, VVID = 1.25 V, TA = 0°C to 85°C, unless otherwise noted (Note 1). Current entering a pin (sunk by the device) has a positive sign. Parameter Unit Max Typ Min Conditions Symbol VOLTAGE CONTROL VOLTAGE ERROR AMPLIFIER (VEAMP) COMP Slew Rate SRCOMP CCOMP = 10 pF, CSREF = VDAC, Open loop configuration FB forced 200 mV below CSREF FB forced 200 mV above CSREF 15 −20 V/ms Gain Bandwidth (Note 2) GBW Non−inverting unit gain configuration, RFB = 1 kW 20 MHz VID DAC VOLTAGE REFERENCE VDAC Voltage Range (Note 2) See VID table 0 1.6 V VDAC Accuracy VFB − VDAC Measured on FB (includes offset), relative to nominal VDAC VDAC = 0.5 V to 1.6000 V VDAC = 0.3 V to 0.4875 V −7 −9 +7 +9 mV VDAC Differential Nonlinearity (Note 2) −1 +1 LSB VDAC Line Regulation ΔVFB VCC = 4.75 V to 5.25 V 0.05 % VDAC Slew Rate Soft−start Arbitrary VID step 0.0625 1 LSB/ ms FBRTN Current IFBRTN 70 200 mA BOOT VOLTAGE Boot Voltage Vboot 1.1 V Boot Voltage Timer tboot 50 70 100 ms VID DAC INPUTS Input Low Voltage VIL VID(x) 0.5 0.3 V Input High Voltage VIH VID(x) 0.7 0.5 V Input Current IIN(VID) Sink current 1 mA VID Transition Delay Time (Note 2) VID Code Change to FB Change 400 ns REFERENCE CURRENT IREF Voltage VIREF RIREF = 80 kW to Set IREF = 20 mA 1.55 1.6 1.65 mA OSCILLATOR Frequency Range (Note 2) fOSC 0.3 3 MHz Oscillator Frequency FOSC TA = +25°C, VVID = 1.20 V, Clocked PWM Mode kHz RT = 60 kW 900 1200 1500 RT = 120 kW 465 600 725 RT = 180 kW 300 400 500 RT Output Voltage VRT VVID = 1.6 V 1.08 1.2 1.35 V RPM Output Current IRPM VVID = 1.250 V, RT = 500 kW −5 mA RAMP Input Voltage VRAMP 0.9 1.0 1.1 V RAMP Input Current Range IRAMP EN = high 1 100 mA RAMP Input Current in Shutdown EN = low or in UVLO, RAMP = 19 V −0.5 +0.5 mA CURRENT SENSE AMPLIFIER Offset Voltage VOS(CSA) CSFB − CSREF −1.4 +1.4 mV Input Bias Current IBIAS(CSFB) −50 +50 nA 1. All limits at temperature extremes are guaranteed via correlation using standard statistical quality control (SQC). 2. Guaranteed by design or bench characterization, not production tested. |
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Similar Description - NCP5380 |
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