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4 / 31 page  MCP1633 DS20006289A-page 4 2020 Microchip Technology Inc. 1.0 ELECTRICAL CHARACTERISTICS 1.1 Absolute Maximum Ratings† VDD......................................................................................6V Maximum Voltage on Any Pin ....... (VGND-0.3)V to (VIN+0.3)V VEXT Short Circuit Current ...........................Internally Limited Storage Temperature ....................................-65°C to +150°C Maximum Junction Temperature ................................. +150°C Operating Junction Temperature...................-40°C to +125°C ESD protection on all pins (HBM) ....................................2 kV †Notice: Stresses above those listed under “Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operational sections of this specification is not intended. Exposure to maximum rating conditions for extended periods may affect device reliability. DC CHARACTERISTICS 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 Inputs Input Operating Voltage VIN 3 — 5.5 V Input Quiescent Current I(VIN)— 5 5.75 mA IEXT = 0 mA, Vdd=5V, Fsw=1200 kHz Shutdown Current IIN_SHDN —— 1 µA EN = 0V EN Input EN Input Voltage Low ENLOW —— 0.8 V EN Input Voltage High ENHIGH 75 —— % of VIN Oscillator Internal Oscillator Range FOSC 200 — 2200 kHz Refer to Section 4.6 “Internal Oscillator” for details FSW Output Voltage VRFSW 0— 3 V External Synchronization Signal Frequency Rage FSYNC 200 — 2500 kHz SYNC Signal Low Voltage VSYNCL —— 0.8 V SYNC Signal High Voltage VSYNCH 2— — V SYNC Signal Time Low TSYNC_MAX —10 — ns Note 1 SYNC Signal Time High TSYNC_MIN —10 — ns Note 1 SYNC Signal Rise/Fall Time TSYNC RISE/ FALL 0.001 — 10 us Note 1 Error Amplifier Input Voltage Offset VOS -7.5 — 7.5 mV Error Amplifier PSRR PSRR 80 — — dB VIN = +5V Common Mode Input Range VCM 0— 2 V Common Mode Rejection Ratio CMRR 60 — — dB VCM = 0 to 2V (Note 1) Transconductance gm 160 200 240 µS VCM = 0 to 2V Output Source Current IOSOURCE 13 — — µA Vdd = 5V Output Sink Current IOSINK 13 — — µA Vdd = 5V Note 1: Determined by characterization, not production tested. |
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