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PD70210AL 数据表(PDF) 13 Page - Microchip Technology

部件名 PD70210AL
功能描述  PD Controller with Switching Regulator for AF/AT/UPOE/ HDBaseT/4-pair PoE Applications
PDF  36 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

PD70210AL 数据表(HTML) 13 Page - Microchip Technology

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Symbol
Parameter
Conditions
Min
Typ
Max
Units
tDISCH
Soft-start discharge FET
on-time
—
—
32
—
Switch
cycles
Switching Frequency and Synchronization
fsw_range
Switching frequency
accuracy
RFREQ = 33.2k
285
315
345
kHz
fsync_max
Maximum
synchronization
frequency
—
1
—
—
MHz
VSYNC_HI
SYNC pin high threshold
—
2.4
—
—
V
VSYNC_LO
SYNC pin low threshold
—
—
—
0.8
V
tsync
Minimum pulse width of
SYNC pulse
—
100
—
—
ns
Dsync_max
Maximum SYNC pulse
duty cycle
—
—
—
90
%
Error Amplifier
VREF
Reference voltage
—
1.171
1.200
1.229
V
GainDC_OPL
DC open-loop gain
Rload = 100k
70
100
—
dB
AVUGBW
Unity gain bandwidth
Cload = 10 pF (By design
only)
2
5
—
MHz
ICOMP_OUT
Output sourcing current
0.2V ≤ VCOMP ≤ 1.3V
110
—
620
µA
ICOMP_IN
Output sinking current
0.2V ≤ VCOMP ≤ 1.3V
145
—
495
µA
VEA_CMR_MAX
Maximum of input
common-mode range
—
2
—
—
V
VCLAMP
COMP pin high clamp
—
1.8
2.1
2.6
V
PWM Comparator
VOFFSET
Inserted offset in inverted
input
—
200
—
300
mV
VRCLP
Voltage set on RCLP pin
by external resistor to
GND
—
0
—
1
V
Current Sense Amplifier
GainCSA
DC Gain
0 mA < IAUX < 4 mA
4.75
5
5.25
V
IAUX
Maximum continuous
current from VAUX
—
4
—
—
mA
VCSA_CMR_MAX Maximum input common-
mode range
—
2
—
—
V
PD70211
Electrical Specifications
© 2020 Microchip Technology Inc.
Datasheet
DS00003672A-page 13



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