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ADP122 View Datasheet(PDF) - Analog Devices

Part NameADP122 ADI
Analog Devices ADI
Description5.5 V Input, 300 mA, Low Quiescent Current, CMOS Linear Regulator


ADP122 Datasheet PDF : 20 Pages
First Prev 11 12 13 14 15 16 17 18 19 20
ADP122/ADP123
OUTLINE DIMENSIONS
2.90 BSC
1.60 BSC
5
4
1
2
3
2.80 BSC
*0.90 MAX
0.70 MIN
1.90
BSC
0.95 BSC
ORDERING GUIDE
Model
ADP122AUJZ-2.5-R72
ADP122AUJZ-2.7-R72
ADP122AUJZ-2.8-R72
ADP122AUJZ-2.85-R72
ADP122AUJZ-2.9-R72
ADP122AUJZ-3.0-R72
ADP122AUJZ-3.3-R72
ADP123AUJZ-R72
ADP122-3.3-EVALZ2
ADP123-EVALZ2
*1.00 MAX 0.20
0.08
0.10 MAX
0.50
0.30
SEATING
0.60
PLANE
0.45
0.30
*COMPLIANT TO JEDEC STANDARDS MO-193-AB WITH
THE EXCEPTION OF PACKAGE HEIGHT AND THICKNESS.
Figure 43. 5-Lead Thin Small Outline Transistor Package [TSOT]
(UJ-5)
Dimensions shown in millimeters
Temperature Range
–40°C to +125°C
–40°C to +125°C
–40°C to +125°C
–40°C to +125°C
–40°C to +125°C
–40°C to +125°C
–40°C to +125°C
–40°C to +125°C
Output Voltage (V)1
2.5
2.7
2.8
2.85
2.9
3.0
3.3
0.8 to 5.0 (Adjustable)
3.3
Adjustable
Package Description
5-Lead TSOT
5-Lead TSOT
5-Lead TSOT
5-Lead TSOT
5-Lead TSOT
5-Lead TSOT
5-Lead TSOT
5-Lead TSOT
Evaluation Board
Evaluation Board
Package Option
UJ-5
UJ-5
UJ-5
UJ-5
UJ-5
UJ-5
UJ-5
UJ-5
Branding
LE6
LE9
LEA
LEC
LED
LEE
LEF
LEG
1 Up to 31 fixed-output voltage options from 1.75 V to 3.3 V are available. For additional voltage options, contact a local Analog Devices, Inc., sales or distribution
representative.
2 Z = RoHS Compliant Part.
Rev. 0 | Page 18 of 20
Direct download click here

GENERAL DESCRIPTION
The ADP122/ADP123 are low quiescent current, low dropout linear regulators. They are designed to operate from an input voltage between 2.3 V and 5.5 V and to provide up to 300 mA of output current. The low 85 mV dropout voltage at a 300 mA load improves efficiency and allows operation over a wide input voltage range.
The low 170 μA of quiescent current at full load makes the ADP122 ideal for battery-operated portable equipment.

FEATURES
Input voltage supply range: 2.3 V to 5.5 V
300 mA maximum output current
Fixed and adjustable output voltage versions
Very low dropout voltage: 85 mV at 300 mA load
Low quiescent current: 45 μA at no load
Low shutdown current: <1 μA
Initial accuracy: ±1% accuracy
Up to 31 fixed-output voltage options available from 1.75 V to 3.3 V
Adjustable-output voltage range 0.8 V to 5.0 V (ADP123)
Excellent PSRR performance: 60 dB at 100 kHz
Excellent load/line transient response
Optimized for small 1.0 μF ceramic capacitors
Current limit and thermal overload protection
Logic controlled enable
Compact, 5-lead TSOT package

APPLICATIONS
Digital camera and audio devices
Portable and battery-powered equipment
Automatic meter reading (AMR) meters
GPS and location management units
Medical instrumentation
Point-of-sale equipment

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