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ADP1048ARQZ-R7 数据表(PDF) 7 Page - Analog Devices

部件名 ADP1048ARQZ-R7
功能描述  Digital Power Factor Correction Controller
PDF  84 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADP1048ARQZ-R7 数据表(HTML) 7 Page - Analog Devices

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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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