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MCP1633 Datasheet(PDF) 5 Page - Microchip Technology |
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MCP1633 Datasheet(HTML) 5 Page - Microchip Technology |
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5 / 31 page  2020 Microchip Technology Inc. DS20006289A-page 5 MCP1633 Gain Bandwidth Product GBWP 3.5 — — MHz Note 1 Reference Voltage Section Reference Voltage Input Voltage VREF 0— 3 V Refer to Section 4.5 “Reference Voltage Generator” for details Internal Constant Current Generator IREF 48 50 52 µA Refer to Section 4.5 “Reference Voltage Generator” for details Current Sense Input Maximum Input VCS_MAX 0.85 0.9 0.95 V Blanking Time TBLANK —30 — ns Note 1 Delay from CS to VEXT TCS_Vext — — 35 ns Note 1 Current Sense Input Bias Current ICS_B —-0.1 — µA Note 1 Current Sense Operational Amplifier Input Offset Voltage VOS -2.8 — 2.8 mV Operational Amplifier PSRR PSRR 60 — — dB VIN = 5V Input Bias Current IB —1 — nA Note 1 Common Mode Input Range VCM GND - 0.3 —2 V Common Mode Rejection Ratio CMRR — 80 — dB Note 1 Open Loop Voltage Gain AVOL 85 — 150 dB Note 1 Low Level Output VO —15 20 mV Gain Bandwidth Product GBWP 1.5 2 — MHz Amplifier Sink Current ISINK 510 — mA Amplifier Source Current ISOURCE 510 — mA Pedestal Voltage Generator Internal Constant Current Generator CSO 17.5 20 25 µA PWM Minimum Duty Cycle DCMIN —— 0 % CMaximum Duty Cycle DCMAX 85 90 98 % Slope Compensation Ramp Generator Ramp Amplitude VRAMP 0.8 0.9 1 VPP DC Offset Low — 0.15 0.32 0.45 V DC Offset High — 1.12 1.22 1.32 V Ramp Generator Output Impedance ZRG 5.5 6 6.5 kΩ Internal Driver RDSon P-Channel RDSonP —— 4.5 Ω Typical for VIN = 5.0V RDSon N-Channel RDSonN —— 4.5 Ω Typical for VIN = 5.0V VEXT Rise Time TRISE — 10 — ns CL = 100 pF, VIN = 5.0V (Note 1) VEXT Fall Time TFALL — 10 — ns CL = 100 pF, VIN = 5.0V (Note 1) Input Dimming PWM DC CHARACTERISTICS (CONTINUED) Electrical Specifications: Unless otherwise noted, during characterization, VIN = 3.3V to 5.5V, FSW = 600 kHz with CIN = 1.0 µF, TA = +25°C, TA = -40°C to +125°C. Parameters Sym. Min. Typ. Max. Units Conditions Note 1: Determined by characterization, not production tested. |
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