ADP3339AKCZ-2.5-R7 Integrated Circuit Chip High Accuracy, Ultralow IQ, 1.5 A, anyCAP Low Dropout Regulator
power mosfet ic
,silicon power transistors
High Accuracy, Ultralow IQ, 1.5 A, anyCAP Low Dropout Regulator ADP3339
FEATURES
High accuracy over line and load: ±0.9% at 25°C, ±1.5% over temperature
Ultralow dropout voltage: 230 mV (typical) at 1.5 A
Requires only COUT = 1.0 μF for stability
anyCAP = stable with any type of capacitor (including MLCC)
Current and thermal limiting
Low noise
2.8 V to 6 V input voltage range
−40°C to +85°C ambient temperature range
SOT-223 package
APPLICATIONS
Notebooks, palmtop computers
SCSI terminators
Battery-powered systems
PCMCIA regulators
Bar code scanners
Camcorders, cameras
GENERAL DESCRIPTION
The ADP3339 is a member of the ADP33xx family of precision, low dropout, anyCAP® voltage regulators. The ADP3339 operates with an input voltage range of 2.8 V to 6 V and delivers a load current up to 1.5 A. The ADP3339 stands out from the conventional LDOs with a novel architecture and an enhanced process that enables it to offer performance advantages and higher output current than its competition. Its patented design requires only a 1.0 μF output capacitor for stability. This device is insensitive to output capacitor equivalent series resistance (ESR), and is stable with any good quality capacitor, including ceramic (MLCC) types for space-restricted applications. The ADP3339 achieves exceptional accuracy of ±0.9% at room temperature and ±1.5% over temperature, line, and load variations. The dropout voltage of the ADP3339 is only 230 mV (typical) at 1.5 A. The device also includes a safety current limit and thermal overload protection. The ADP3339 has ultralow quiescent current: 130 μA (typical) in light load situations.
ABSOLUTE MAXIMUM RATINGS Unless otherwise specified, all voltages are referenced to GND.
|
Parameter |
Rating |
|
Input Supply Voltage |
–0.3 V to +8.5 V |
|
Power Dissipation |
Internally limited |
|
Operating Ambient Temperature Range |
–40°C to +85°C |
|
Operating Junction Temperature Range |
–40°C to +150°C |
|
θJA, 4-Layer Board |
62.3°C/W |
|
θJC |
26.8°C/W |
|
Storage Temperature Range |
–65°C to +150°C |
|
Lead Temperature (Soldering 10 sec) |
300°C |
|
Vapor Phase (60 sec) |
215°C |
|
Infrared (15 sec) |
220°C |
Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those listed in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
Only one absolute maximum rating may be applied at any one time.
FUNCTIONAL BLOCK DIAGRAM
OUTLINE DIMENSIONS
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