ADUM5401_VB AD [Analog Devices], ADUM5401_VB Datasheet - Page 15

• Manufacturer Part Number: ADUM5401_VB
• Description: Quad-Channel, 2.5 kV Isolators with Integrated DC-to-DC Converter
• Manufacturer: AD [Analog Devices]

Data Sheet
Table 24. ADuM5404 Pin Function Descriptions
Pin No. Mnemonic Description
1
2, 8
3
4
5
6
7
9, 15
10
11
12
13
14
16
TRUTH TABLE
Table 25. Truth Table (Positive Logic)
1
2
H refers to a high logic, and L refers to a low logic.
PWM refers to the regulation control signal. This signal is derived from the secondary side regulator and can be used to control other isoPower devices.
V
H
L
L
H
SEL
1
V
GND
V
V
V
V
RC
GND
V
V
V
V
V
V
DD1
OA
OB
OC
OD
SEL
ID
IC
IB
IA
ISO
OUT
1
ISO
RC
PWM
PWM
PWM
PWM
OUT
2
Primary Supply Voltage, 3.0 V to 5.5 V.
Ground 1. Ground reference for isolator primary. Pin 2 and Pin 8 are internally connected, and it is recommended that both
pins be connected to a common ground.
Logic Output A.
Logic Output B.
Logic Output C.
Logic Output D.
Regulation Control Output. This pin is connected to the RC
control the regulation of the slave device.
Ground Reference for Isolator Side 2. Pin 9 and Pin 15 are internally connected, and it is recommended that both pins be
connected to a common ground.
Output Voltage Selection. When V
Logic Input D.
Logic Input C.
Logic Input B.
Logic Input A.
Secondary Supply Voltage Output for External Loads, 3.3 V (V
V
5
5
3.3
3.3
DD1
(V)
5
3.3
3.3
5
V
ISO
(V)
This supply configuration is not recommended due to extremely poor efficiency.
Notes
Master mode, normal operation.
Master mode, normal operation.
Master mode, normal operation.
Figure 10. ADuM5404 Pin Configuration
RC
GND
GND
SEL
V
V
V
V
V
OUT
DD1
OB
OC
OD
OA
= V
1
1
1
2
3
4
5
6
7
8
ISO
Rev. B | Page 15 of 28
ADuM5404
, the V
(Not to Scale)
TOP VIEW
ADuM5401/ADuM5402/ADuM5403/ADuM5404
ISO
setpoint is 5.0 V. When V
16
15
14
13
12
11
10
9
V
GND
V
V
V
V
V
GND
ISO
IA
IB
IC
ID
SEL
IN
ISO
ISO
of a slave isoPower device to allow the
SEL
Low) or 5.0 V (V
SEL
= GND
SEL
High).
ISO
, the V
ISO
setpoint is 3.3 V.
ADuM5404
to