adum5200 Analog Devices, Inc., adum5200 Datasheet - Page 12
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adum5200
Manufacturer Part Number
adum5200
Description
Dual-channel Isolators With Integrated Dc/dc Converter
Manufacturer
Analog Devices, Inc.
Datasheet
1.ADUM5200.pdf
(23 pages)
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Preliminary Technical Data
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Table 12. ADuM5200 Pin Function Descriptions
Pin No. Mnemonic Description
1
2,8
3
4
5
6
7
9,15
10
11
12
13
14
16
V
GND
V
V
RC
RC
NC
GND
V
V
NC
V
V
V
DD1
IA
IB
E2
SEL
OB
OA
ISO
IN
SEL
1
ISO
Primary Supply Voltage 3.0V 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 Input A.
Logic Input B.
Regulation Control Input, In slave power configuration (RC
isoPower device, or tied low to disable the converter. In Master/Stand alone mode(RC
function. This pin is weakly pulled to low. In Noisy environments it should be tied to low or to a PWM control source.
Warning -This pin must not be tied high if RC
secondary, damaging the ADuM5000 and possibly devices that it powers.
Control input, Determines self regulation (CTL High) mode or Slave mode(CTL Low)allowing external regulation. This
pin is weakly pulled to high. In noisy environments it should be tied either high or low.
No Internal Connection
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.
Data Enable Input, When High or NC the Secondary outputs are active, when Low the outputs are in a high Z state..
Output Voltage Selection: When V
is 3.3V. In Slave regulation mode, this pin has no function.
No Internal Connection.
Logic Output B.
Logic Output A.
Secondary Supply Voltage Output for Secondary Isolaton electronics and External Loads, 3.3V (VSEL Low) or 5.0V (V
High), 5.0V output Functioanlity not guaranteed for a 3.3V primary supply input.
Figure 3. ADuM5200 Pin Configuration
SEL
= V
Rev. PrA | Page 12 of 23
ISO
then the Viso set point is 5.0V, When V
SEL
is low, this combination will cause excessive volatge on the
SEL
=Low), this pin is connected to the RC
SEL
ADuM5200/5201/5202
= GND
SEL
=High) this pin has no
ISO
Then the VISO setpoint
OUT
of a master
SEL