adum3471 Analog Devices, Inc., adum3471 Datasheet - Page 9

• Manufacturer Part Number: adum3471
• Description: Pwm Controller And Transformer Driver With Quad-channel Isolators Adum3470/adum3471/adum3472/adum3473/adum3474
• Manufacturer: Analog Devices, Inc.

ELECTRICAL CHARACTERISTICS—5 V PRIMARY INPUT SUPPLY/15 V SECONDARY ISOLATED SUPPLY
4.5 V ≤ (V
application schematic in Figure 39. All minimum/maximum specifications apply over the entire recommended operating range, unless
otherwise noted. All typical specifications are at T
Table 4.
Parameter
DC-TO-DC CONVERTER POWER SUPPLY
iCoupler DATA CHANNELS
Isolated Output Voltage
Feedback Voltage Setpoint
V
Line Regulation
Load Regulation
Output Ripple
Output Noise
Switching Frequency
Switch On-Resistance
Undervoltage Lockout, V
DC to 2 Mbps Data Rate
25 Mbps Data Rate (CRWZ Grade Only)
I/O Input Currents
Logic High Input Threshold
Logic Low Input Threshold
DD2
Regulator Voltage
Dropout Voltage
Positive Going Threshold
Negative Going Threshold
Hysteresis
Maximum Output Supply Current
Efficiency at Maximum Output
I
I
Available V
I
CC
CC
CC
Linear Regulator
Supply Current
ADuM3470
ADuM3471
ADuM3472
ADuM3473
ADuM3474
ADuM3470
ADuM3471
ADuM3472
ADuM3473
ADuM3474
ADuM3470
ADuM3471
ADuM3472
ADuM3473
ADuM3474
Supply Current, No V
Supply Current, No V
Supply Current, Full V
DD1
= V
ISO
Supply Current
DDA
) ≤ 5.5 V; V
3
CC
1
, V
ISO
ISO
ISO
DD2
Load
Load
Load
Supplies
4
REG
= V
2
ISO
= 15 V; V
Symbol
V
V
V
V
V
V
V
f
R
V
V
V
I
I
I
I
I
I
V
V
V
ISO (MAX)
CC (Q)
CC(D)
ISO (LOAD)
CC (MAX)
IA
SW
ISO
FB
DD2
DD2DO
ISO (LINE)
ISO (LOAD)
ISO (RIP)
ISO (N)
ON
UV+
UV−
UVH
IH
IL
, I
IB
, I
ADuM3470/ADuM3471/ADuM3472/ADuM3473/ADuM3474
IC
, I
A
ID
= 25°C, V
DD2
= 5.0 V; f
Min
13.8
1.15
4.6
192
100
−20
2.0
Rev. 0 | Page 9 of 32
DD1
SW
= V
= 500 kHz; all voltages are relative to their respective grounds; see the
DDA
= 5.0 V, V
Typ
15
1.25
5.0
0.5
1
1
200
500
1000
200
318
0.5
2.8
2.6
0.2
70
25
27
29
31
33
73
83
93
102
112
91
89
86
83
80
425
+0.01
REG
Max
16.2
1.35
5.4
1.5
10
3
515
45
45
45
45
45
+20
0.8
= V
ISO
Unit
mV/V
%
mV p-p
mV p-p
mA
%
mA
mA
mA
V
V
V
V
kHz
kHz
kHz
Ω
V
V
V
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
μA
V
V
= 15 V, V
Test Conditions/Comments
I
I
V
I
I
I
20 MHz bandwidth,
C
20 MHz bandwidth,
C
R
R
V
f ≤ 1 MHz, V
I
I
I
I
I
I
I
C
C
C
C
C
C
I
DD2
ISO
ISO
DD2
ISO
ISO
ISO
ISO
ISO
ISO
ISO
ISO
ISO
ISO
REG
OC
OC
OC
L
OUT
OUT
L
L
L
L
L
= 0 pF, f = 0 MHz, V
= 15 pF, f = 12.5 MHz
= 15 pF, f = 12.5 MHz
= 15 pF, f = 12.5 MHz
= 15 pF, f = 12.5 MHz
= 15 pF, f = 12.5 MHz
= 100 mA
= 0 mA, V
= 0 mA
= 50 mA, V
= 20 mA to 100 mA
= I
= 0 mA, f ≤ 1 MHz
= 0 mA, C
= 0 mA, C
= 0 mA, C
= 0 mA, C
= 0 mA, C
= 50 mA
= 50 kΩ
= 270 kΩ
= V
= 5.0 V.
= 7 V to 15 V, I
= 0.1 μF||47 μF, I
= 0.1 μF||47 μF, I
ISO (MAX)
DD2
(open loop)
, f ≤ 1 MHz
ISO
ISO
L
L
L
L
L
CC
= 15 pF, f = 12.5 MHz
= 15 pF, f = 12.5 MHz
= 15 pF, f = 12.5 MHz
= 15 pF, f = 12.5 MHz
= 15 pF, f = 12.5 MHz
= 5.0 V
= V
= 4.5 V to 5.5 V
DD2
FB
DD
× (R1 + R2)/R2
ISO
ISO
= 0 mA to 50 mA
= 5 V,
= 100 mA
= 100 mA