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ADP1071-1 Datasheet(Fiches technique) 6 Page - Analog Devices

Numéro de pièce ADP1071-1
Description  Isolated Synchronous Flyback Controller
Télécharger  27 Pages
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
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ADP1071-1 Datasheet(HTML) 6 Page - Analog Devices

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ADP1071-1/ADP1071-2
Data Sheet
Rev. B | Page 6 of 27
Parameter
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
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
i
COUPLER DELAY
COMP Signal Delay
Through iCoupler
600
ns
OVP PIN THRESHOLDS
OVP Pin OV Threshold
Overvoltage (OV) threshold for OVP pin
1.3
1.36
1.42
V
OVP Pin OV Hysteresis
36
mV
OVP Comparator Delay
(Includes iCoupler
Delay)
320
ns
OVP Pin Leakage
Current
1
µA
OVP Hiccup
Time before entering OVP hiccup mode
200
ms
Hiccup time trigged by OVP event
200
ms
1 Short-circuit duration is less than 1 μs. Average power must conform to the limit shown in the Absolute Maximum Ratings section.
INSULATION AND SAFETY RELATED SPECIFICATIONS
Table 2.
Parameter
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
WIDE BODY SOIC
i
COUPLER
Rated Dielectric Insulation
Voltage
1 minute duration
5
kV
Minimum External Air Gap
(Clearance)
Measured from input terminals to output terminals,
shortest distance through air
7.6
mm
Minimum External Air Gap
(Creepage)
Measured from input terminals to output terminals,
shortest distance path along body
7.6
mm
Minimum Internal Gap (Internal
Clearance)
Insulation distance through insulation
0.030
mm
Tracking Resistance
(Comparative Tracking Index)
CTI
>400
V
Isolation Group
Material Group (DIN VDE 0110, 1/89, Table 1)
II
LAND GRID ARRAY (LGA)
i
COUPLER
Rated Dielectric Insulation
Voltage
1 minute duration
2.5
kV
Minimum External Air Gap
(Clearance)
Measured from input terminals to output terminals,
shortest distance through air
4
mm
Minimum External Air Gap
(Creepage)
Measured from input terminals to output terminals,
shortest distance path along body
4
mm
Minimum Internal Gap (Internal
Clearance)
Insulation distance through insulation
0.030
mm
Tracking Resistance
(Comparative Tracking Index)
CTI
>400
V
Isolation Group
Material Group (DIN VDE 0110, 1/89, Table 1)
I


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