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ADP1074ACCZ-R7 数据表(PDF) 6 Page - Analog Devices

部件名 ADP1074ACCZ-R7
功能描述  Isolated, Synchronous Forward Controller with Active Clamp and iCoupler
PDF  32 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

ADP1074ACCZ-R7 数据表(HTML) 6 Page - Analog Devices

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ADP1074
Data Sheet
Rev. D | Page 6 of 32
Parameter
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
Overcurrent Protection (OCP)
Comparator Delay
40
ns
Time in OCP Before Entering
Hiccup Mode
1.5
ms
OCP Hiccup Time
See Input/Output Current-Limit Protection
section
40
ms
FB PIN AND ERROR AMPLIFIER
Feedback Accuracy Voltage
VFB
TJ = −40°C to +85°C
1.2 − 0.85%
+1.2
1.2 + 0.85%
V
TJ = −40°C to +125°C
1.2 − 1.25%
+1.2
1.2 + 1.25%
V
Temperature Coefficient
76
ppm/°C
FB Input Bias Current
−100
+1
+100
nA
Transconductance
gm
230
250
270
μA/V
Output Current Clamp
 
Minimum
−57
μA
 
Maximum
43
μA
 
COMP Clamp Voltage
Minimum
20 μA sinking current from COMP pin
0.7
V
Maximum
20 μA sourcing current to COMP pin
2.52
V
Open-Loop Gain
80
dB
Output Shunt Resistance
5
GΩ
Gain Bandwidth Product
1
MHz
PRECISION ENABLE THRESHOLD
EN Threshold
VEN
EN rising
1.14
1.2
1.26
V
EN Hysteresis
VEN < 1.2 V
4
μA
VEN > 1.2 V
1
μA
EN Hysteresis Current
3
μA
MODE PIN
Light Load Mode Current
Source
Connect a resistor from MODE to AGND2
6
6.5
7
μA
Hysteresis
24
40
60
mV
TEMPERATURE
Thermal Shutdown
155
°C
Hysteresis
−15
°C
SOFT START SS1 AND SS2 PINS
Primary Side SS1 Current
Source
During soft start only
9.1
μA
Secondary Side SS2 Current
Source
During soft start only, post handover
20
μA
SS2 Discharging Current
During a fault condition or soft stop
30
μA
SYNC PIN
Synchronization Range
100
600
kHz
Input Pulse Width
100
ns
Number of Cycles Before
Synchronization
7
Cycles
Input Voltage
Low
0.4
V
High
3
V
Leakage Current
1
μA
iCOUPLER DELAY
COMP Signal Delay Through
iCoupler
600
ns



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