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ADP1109AN-5 Datasheet(PDF) 3 Page - Analog Devices

Part No. ADP1109AN-5
Description  Micropower Low Cost Fixed 3.3 V, 5 V, 12 V and Adjustable DC-to-DC Converter
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADP1109AN-5 Datasheet(HTML) 3 Page - Analog Devices

   
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ADP1109
–3–
REV. 0
PIN FUNCTION DESCRIPTIONS
Pin
Mnemonic
Function
1VIN
Input Supply Voltage.
2, 5, 6
NC
No Connection.
3
SW
Collector Node of Power Transistor.
4
GND
Ground.
7
SHUTDOWN When logic low is applied to this pin,
oscillator is shut down.
8
FB(SENSE)
On the ADP1109A (Adjustable), this
pin goes directly to the comparator
input. On the ADP1109-3.3,
ADP1109-5 and ADP1109-12, this
pin is connected through the internal
resistor that sets the output voltage.
ORDERING GUIDE
Output
Package
Package
Model
Voltage
Description
Options
ADP1109AN
ADJ
Plastic DIP
N-8
ADP1109AR
ADJ
Small Outline IC
SO-8
ADP1109AN-3.3
3.3 V
Plastic DIP
N-8
ADP1109AR-3.3
3.3 V
Small Outline IC
SO-8
ADP1109AN-5
5 V
Plastic DIP
N-8
ADP1109AR-5
5 V
Small Outline IC
SO-8
ADP1109AN-12
12 V
Plastic DIP
N-8
ADP1109AR-12
12 V
Small Outline IC
SO-8
PIN CONFIGURATIONS
8-Lead Plastic DIP
(N-8)
TOP VIEW
(Not to Scale)
8
7
6
5
1
2
3
4
NC = NO CONNECT
*FIXED VERSIONS
VIN
NC
SW
FB(SENSE)*
SHUTDOWN
NC
NC
GND
ADP1109A
8-Lead SOIC
(SO-8)
TOP VIEW
(Not to Scale)
8
7
6
5
1
2
3
4
NC = NO CONNECT
*FIXED VERSIONS
VIN
NC
SW
GND
FB(SENSE)*
SHUTDOWN
NC
NC
ADP1109A
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection.
Although the ADP1109 features proprietary ESD protection circuitry, permanent damage may
occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD
precautions are recommended to avoid performance degradation or loss of functionality.
WARNING!
ESD SENSITIVE DEVICE
ABSOLUTE MAXIMUM RATINGS*
Supply Voltage, V
OUT . . . . . . . . . . . . . . . . . . . .
–0.4 V to 20 V
SW Pin Voltage . . . . . . . . . . . . . . . . . . . . . . . . –0.4 V to 50 V
Shutdown Pin Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . 6.0 V
Switch Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2 A
Maximum Power Dissipation
. . . . . . . . . . . . . . . . . . 300 mW
Operating Temperature Range . . . . . . . . . . . . 0
°C to +70°C
Storage Temperature Range . . . . . . . . . . . . –65
°C to +150°C
Lead Temperature (Soldering, 10 sec) . . . . . . . . . . . +300
°C
*This is a stress rating only; operation beyond these limits can cause the device to
be permanently damaged.


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