ADP122 데이터 시트보기 (PDF) - Analog Devices
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ADP122 Datasheet PDF : 24 Pages
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ADP122/ADP123
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
Data Sheet
VIN 1
5 VOUT
ADP122
GND 2 TOP VIEW
(Not to Scale)
EN 3
4 NC
NC = NO CONNECT
Figure 5. ADP122 TSOT Fixed Output Pin Configuration
ADP122
TOP VIEW
(Not to Scale)
1 VOUT
VIN 6
2 NC
NC 5
3 GND
EN 4
NOTES
1. NC = NOT CONNECT. THIS PIN CAN BE LEFT FLOATING
OR CONNECTED TO GROUND.
2. EXPOSED PAD MUST BE CONNECTED TO GND.
Figure 6. ADP122 LFCSP Fixed Output Pin Configuration
VIN 1
5 VOUT
ADP123
GND 2 TOP VIEW
(Not to Scale)
EN 3
4 ADJ
Figure 7. ADP123 TSOT Adjustable Output Pin Configuration
ADP123
TOP VIEW
(Not to Scale)
1 VOUT
VIN 6
2 ADJ
NC 5
3 GND
EN 4
NOTES
1. NC = NOT CONNECT. THIS PIN CAN BE LEFT FLOATING
OR CONNECTED TO GROUND.
2. EXPOSED PAD MUST BE CONNECTED TO GND.
Figure 8. ADP123 LFCSP Adjustable Output Pin Configuration
Table 5. Pin Function Descriptions
Pin No.
ADP122
ADP123
TSOT LFCSP TSOT LFCSP Mnemonic
1
6
1
6
VIN
2
3
2
3
GND
3
4
3
4
EN
N/A N/A 4
2
ADJ
4
2, 5 N/A 5
NC
5
1
N/A EP
5
1
N/A EP
VOUT
EPAD
Description
Regulator Input Supply. Bypass VIN to GND with a capacitor of at least 1 µF.
Ground.
Enable Input. Drive EN high to turn on the regulator; drive EN low to turn off the
regulator. For automatic startup, connect EN to VIN.
Output Voltage Adjust Input. Connect the midpoint of an external divider from VOUT to
GND to this pin to set the output voltage.
No Connect. These pins are not internally bonded. They can be left floating or connected
to ground.
Regulated Output Voltage. Bypass VOUT to GND with a capacitor of at least 1 µF.
Exposed Pad. The exposed pad must be connected to ground.
Rev. E | Page 6 of 24
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