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ADP1048 Scheda tecnica(PDF) 7 Page - Analog Devices |
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ADP1048 Scheda tecnica(HTML) 7 Page - Analog Devices |
7 / 84 page Data Sheet ADP1047/ADP1048 Rev. 0 | Page 7 of 84 Parameter Symbol Test Conditions/Comments Min Typ Max Unit Voltage Sense Measurement Accuracy From 2.5% to 97.5% of input voltage range VDD = 3.3 V −1.52 +1.52 % FSR VDD varies from 3.0 V to 3.6 V −1.97 +1.97 % FSR IBAL PIN (ADP1048 ONLY) Interleaved operation mode Input Voltage Range 0 0.8 V Equivalent Resolution 11 Bits Channel Mismatch DC input and acquiring time window on each channel is 526 μs −5 +5 % FSR POWER METER Measurement Accuracy From 2.5% to 97.5% of input voltage range VDD = 3.3 V −2.3 +2.3 % FSR VDD varies from 3.0 V to 3.6 V −2.75 +2.75 % FSR SWITCHING FREQUENCY Frequency Range Programmable 30 400 kHz Accuracy −3.85 +3.85 % OSCILLATOR, CLOCK, AND PLL Oscillator Frequency 1.516 1.56 1.62 MHz Digital Clock Frequency 200 MHz PLL Frequency 200 MHz RES PIN Temperature Stability −120 0 +120 ppm/°C PGOOD, AC_OK PINS Output Low Voltage 0.8 V Output High Voltage 2.0 V FAST OVERCURRENT PROTECTION Fast OCP Threshold Positive Signal 1455 1500 1550 mV Negative Signal 452 500 523 mV Current Source Accuracy ±4.4 % Current Source Resolution ±3.2 % Propagation Delay From threshold trip to PWM disabled 140 ns RMS OVERCURRENT PROTECTION RMS Accuracy VDD = 3.3 V −1.7 +1.7 % Propagation Delay AC line frequency = 50 Hz 12 ms FAST OVERVOLTAGE PROTECTION Fast OVP Threshold Fully programmable from 1 V to 1.5 V Rising Register 0xFE2F, Bits[6:0] 1 1.5 V Falling Register 0xFE30, Bits[6:0] 1 1.5 V OVP Threshold Minimum Step 3.9 mV Accuracy −4 +4 LSB Propagation Delay (Latency) Does not include blanking/debounce 120 ns Blanking Time Blanking after threshold reprogramming 10 μs ACCURATE OVERVOLTAGE PROTECTION Accuracy VDD = 3.3 V −1.2 +1.2 % Propagation Delay AC line frequency = 50 Hz 12 ms OPEN-LOOP PROTECTION VFB Error Threshold ΔVFB ±33 ±111 ±242 mV Propagation Delay 200 ns Debounce Time 10 μs Common-Mode Input Range −0.2 +1.6 V |
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