ADP3212(OLD) Просмотр технического описания (PDF) - ON Semiconductor
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Компоненты Описание
производитель
ADP3212
(Rev.:OLD)
(Rev.:OLD)
ON Semiconductor
ADP3212 Datasheet PDF : 43 Pages
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ADP3212/NCP3218
Parameter
IMON Clamp Voltage
PULSE WIDTH
MODULATOR
CLOCK OSCILLATOR
RT Voltage
Symbol
VMAXMON
VRT
PWM Clock Frequency
fCLK
Range2
PWM Clock Frequency
fCLK
RAMP GENERATOR
RAMP Voltage
RAMP Current Range2
PWM COMPARATOR
PWM Comparator Offset2
RPM COMPARATOR
RPM Current
RPM Comparator Offset2
EPWM CLOCK SYNC
Trigger Threshold2
VRAMP
IRAMP
VOSRPM
IRPM
VOSRPM
TRDET#
Trigger Threshold2
TRDET# Low Voltage2
TRDET# Leakage Current
SWITCH AMPLIFIER
SW Common Mode Range2
SWFB Input Resistance
ZERO CURRENT SWITCHING
COMPARATOR
SW ZCS Threshold
Masked Off-Time
VLTRDET
IHTRDET
VSW(X)CM
RSW(X)
VDCM(SW1)
tOFFMSKD
SYSTEM I/O BUFFERS
VID[6:0], DPRSLP, PSI# INPUTS
Input Voltage
Conditions
ILIM = −5 μA
Relative to FBRTN, ILIMP = −30 uA
Min Typ
3.5 4
1.0
Max Units
4.5 -
1.15 V
VARFREQ = high, RT = 125 kΩ, VVID = 1.5000 V
VARFREQ = low
See also VRT(VVID) formula
Operation of interest
TA = +25°C, VVID = 1.2000 V
RT = 72 kΩ
RT = 120 kΩ
RT = 180 kΩ
EN = high, IRAMP = 60 μA
EN = low
EN = high
EN = low, RAMP = 19 V
VRAMP − VCOMP
VVID = 1.2 V, RT = 215 kΩ
See also IRPM(RT) formula
VCOMP − (1 + VRPMTH)
Relative to COMP sampled TCLK time earlier
3-phase configuration
2-phase configuration
1-phase configuration
Relative to COMP sampled TCLK time earlier
3-phase configuration
2-phase configuration
1-phase configuration
Logic low, ITRDET#sink = 4mA
Logic high, VTRDET# = VCC
Operation of interest for current sensing
SWX = 0 V, SWFB = 0 V
1.125 1.25
0.9 1
0.3
1.375 V
1.1 V
3
MHz
1100
700
500
1257
800
550
1400 kHz
900 kHz
600 kHz
0.9 1
VIN
1
−1
±3
−9
±3
1.1 V
V
100 μA
+1 μA
mV
μA
mV
350
mV
400
mV
450
mV
-450
-500
-600
30
−600
20 35
mV
mV
mV
300 mV
5
μA
+200 mV
50 kΩ
DCM mode, DPRSLP = 3.3 V
−3
mV
Measured from DRVH1 neg edge to DRVH1 pos
600
ns
edge at max frequency of operation
Refers to driving signal level
Logic low
Logic high
Rev. SpA | Page 6 of 43
0.3 V
0.7
V
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