PDF《高边功率、电流监视器》

4 28 V MAX4210

380 570 TA = +25°C, VCC = +5.5V MAX4211

670 960 MAX4210

670 Supply Current ICC VCC = +5.5V MAX4211

1100 ?A MAX421_A/B/C

14 25 IRS+ VSENSE = 0mV MAX421_D/E/F

3 8 Input Bias Current IRS- VSENSE = 0mV

3 8 ?A IN Input Bias Current IIN MAX421_D/E/F -0.1 -1 ?A Leakage Current IRS+, IRS- VCC = 0V 0.1

1 ?A MAX421_A/B/D/E

150 VSENSE Full-Scale Voltage (Note 4) VSENSE_FS MAX421_C/F

100 mV IN Full-Scale Voltage (Note 4) VIN_FS MAX421_D/E/F, VSENSE = 10mV to 100mV

1 V IN Input Voltage Range (Note 5) VIN MAX421_D/E/F, VSENSE = 10mV to 100mV 0.16 1.10 V VRS+ Full-Scale Voltage (Note 4) MAX421_A/B/C, VSENSE = 10mV to 100mV

25 V VRS+ Input Voltage Range (Note 5) VRS+ MAX421_A/B/C, VSENSE = 10mV to 100mV

4 28 V Current into IOUT = 10?A 1.5 Current into IOUT = 100?A 2.5

80 Current into POUT = 10?A 1.5 Minimum IOUT/POUT Voltage VOUT_MIN VSENSE = 0V, VRS+ = 25V Current into POUT = 100?A 2.5

80 mV Current out of IOUT = 500?A VCC - 0.25 Maximum IOUT/POUT Voltage (Note 6) VOUT_MAX VSENSE = 300mV, VRS+ = 25V Current out of POUT = 500?A VCC - 0.25 V MAX4210/MAX4211 高边功率、电流监视器

3 PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS MAX4211A/D 16.67 MAX4211B/E 25.00 Current-Sense Amplifier Gain VIOUT/ VSENSE MAX4211C/F 40.96 V/V MAX421_A 0.667 MAX421_B 1.00 VPOUT/ (VSENSE x VRS+) MAX421_C 1.64 MAX421_D 16.67 MAX421_E 25.00 Power-Sense Amplifier Gain VPOUT/ (VSENSE x VIN) MAX421_F 40.96 1/V IOUT Common-Mode Rejection CMRI MAX4211, VRS+ = 4V to 28V

60 80 dB POUT Common-Mode Rejection CMRP MAX421_D/E/F, VRS+ = 4V to 28V

60 80 dB IOUT Power-Supply Rejection PSRI VCC = 2.7V to 5.5V

52 80 dB POUT Power-Supply Rejection PSRP VCC = 2.7V to 5.5V

52 70 dB Output Resistance for POUT, IOUT, REF ROUT 0.5 ? IOUT -3dB Bandwidth BWIOUT/SENSE VSENSE = 100mV, VSENSE AC source

220 kHz BWPOUT/SENSE VSENSE = 100mV, VSENSE AC source

220 BWPOUT/VIN VSENSE = 100mV, VIN AC source, MAX421_D/E/F

500 POUT -3dB Bandwidth BWPOUT/RS+ VSENSE = 100mV, VRS+ AC source, MAX421_A/B/C

250 kHz Capacitive-Load Stability (POUT, IOUT, REF) CLOAD No sustained oscillations

450 pF VSENSE = 10mV to 100mV

15 Current Output (IOUT) Settling Time to 1% of Final Value MAX4211 VSENSE = 100mV to 10mV

15 ?s VSENSE = 10mV to 100mV

10 VSENSE = 100mV to 10mV

10 VRS+ = 4V to 25V, VSENSE = 100mV

15 MAX421_A/B/C VRS+ = 25V to 4V, VSENSE = 100mV

15 VSENSE = 10mV to 100mV

10 VSENSE = 100mV to 10mV

10 VIN = 160mV to 1V, VSENSE = 100mV

10 Power Output (POUT) Settling Time to 1% of Final Value MAX421_D/E/F VIN = 1V to 160mV, VSENSE = 100mV

10 ?s ELECTRICAL CHARACTERISTICS (continued) (VCC = 5.0V, VRS+ = 25V, VSENSE = 5mV, VIN = 1.0V, VLE = 0V, RIOUT = RPOUT = 1M?, VCIN1+ = VCIN2+ = VREF, VCIN1- = VCIN2- = GND, VINHIBIT = 0V, RCOUT1 = RCOUT2 = 5k? connected to VCC, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C, unless otherwise noted.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Power-Up Time to 1% of Current Output Final Value VSENSE = 100mV, CLOAD = 10pF, MAX4211

100 ?s Power-Up Time to 1% of Power Output Final Value VSENSE = 100mV, CLOAD = 10pF

100 ?s CLOAD = 10pF, VSENSE = -100mV to +100mV

35 Saturation Recovery Time for Current Out (Note 7) CLOAD = 10pF, VSENSE = 1.5V to 100mV

35 ?s VCC = 5V, VRS+ = 10V, CLOAD = 10pF, VSENSE = -100mV to +100mV

25 Saturation Recovery Time for Power Out (Note 7) VCC = 5V, VRS+ = 10V, CLOAD = 10pF, VSENSE = 1.5V to 100mV

25 ?s IREF =

0 to 100?A, TA = +25°C 1.20 1.21 1.22 Reference Voltage VREF IREF =