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ADUM5402 Datasheet(PDF) 7 Page - Analog Devices

No. de pieza ADUM5402
Descripción Electrónicos  Quad-Channel, 2.5 kV Isolators with Integrated DC-to-DC Converter
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Fabricante Electrónico  AD [Analog Devices]
Página de inicio  http://www.analog.com
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Data Sheet
ADuM5401W/ADuM5402W/ADuM5403W
Rev. D | Page 7 of 24
ELECTRICAL CHARACTERISTICS—5 V PRIMARY INPUT SUPPLY/3.3 V SECONDARY ISOLATED SUPPLY
Typical specifications are at TA = 25°C, VDD1 = 5.0 V, VISO = 3.3 V, VSEL = GNDISO. Minimum/maximum specifications apply over the
entire recommended operation range, which is 4.5 V ≤ VDD1 ≤ 5.5 V, 3.0 V ≤ VISO ≤ 3.6 V, and −40°C ≤ TA ≤ +105°C, unless otherwise
noted. Switching specifications are tested with CL = 15 pF and CMOS signal levels, unless otherwise noted.
Table 10. DC-to-DC Converter Static Specifications
Parameter
Symbol
Min
Typ
Max
Unit
Test Conditions/Comments
DC-TO-DC CONVERTER SUPPLY
Setpoint
VISO
3.0
3.3
3.6
V
IISO = 0 mA
Line Regulation
VISO (LINE)
1
mV/V
IISO = 50 mA, VDD1 = 3.0 V to 3.6 V
Load Regulation
VISO (LOAD)
1
5
%
IISO = 6 mA to 54 mA
Output Ripple
VISO (RIP)
50
mV p-p
20 MHz bandwidth, CBO = 0.1 µF||10 µF,
IISO = 90 mA
Output Noise
VISO (NOISE)
130
mV p-p
CBO = 0.1 µF||10 µF, IISO = 90 mA
Switching Frequency
fOSC
180
MHz
PWM Frequency
fPWM
625
kHz
Output Supply Current
IISO (MAX)
100
mA
VISO > 3 V
Efficiency at IISO (MAX)
30
%
IISO = 90 mA
IDD1, No VISO Load
IDD1 (Q)
14
22
mA
IDD1, Full VISO Load
IDD1 (MAX)
230
mA
Table 11. DC-to-DC Converter Dynamic Specifications
Parameter
Symbol
25 Mbps—C Grade
Unit
Test Conditions/Comments
Min
Typ
Max
SUPPLY CURRENT
Input
IDD1
ADuM5401W
44
mA
No VISO load
ADuM5402W
45
mA
No VISO load
ADuM5403W
46
mA
No VISO load
Available to Load
IISO (LOAD)
ADuM5401W
92
mA
ADuM5402W
91
mA
ADuM5403W
89
mA
Table 12. Switching Specifications
Parameter
Symbol
Min
Typ
Max
Unit
Test Conditions/Comments
SWITCHING SPECIFICATIONS
Data Rate
25
Mbps
Within PWD limit
Propagation Delay
tPHL, tPLH
45
60
ns
50% input to 50% output
Pulse Width Distortion
PWD
6
ns
|tPLH − tPHL|
Change vs. Temperature
5
ps/°C
Pulse Width
PW
40
ns
Within PWD limit
Propagation Delay Skew
tPSK
15
ns
Between any two units
Channel Matching
Codirectional1
tPSKCD
6
ns
Opposing Directional2
tPSKOD
15
ns
1
Codirectional channel matching is the absolute value of the difference in propagation delays between any two channels with inputs on the same side of the isolation
barrier.
2
Opposing directional channel matching is the absolute value of the difference in propagation delays between any two channels with inputs on opposing sides of the
isolation barrier.


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