ADP3338AKCZ-2.5RL7 Integrated Circuit Chip ic resistor High Accuracy, Ultralow I Low Dropout Regulator
diode rectifier circuit
,signal schottky diode
High Accuracy, Ultralow IQ, 1 A, anyCAP® Low Dropout Regulator ADP3338
FEATURES
High accuracy over line and load: ±0.8% @ 25°C, ±1.4% over temperature
Ultralow dropout voltage: 190 mV (typ) @ 1 A
Requires only CO = 1.0 µF for stability
anyCAP is stable with any type of capacitor (including MLCC)
Current and thermal limiting
Low noise
2.7 V to 8 V supply range
−40°C to +85°C ambient temperature range
SOT-223 package
APPLICATIONS
Notebook, palmtop computers
SCSI terminators
Battery-powered systems
Bar code scanners
Camcorders, cameras
Home entertainment systems
Networking systems
DSP/ASIC supplies
GENERAL DESCRIPTION
The ADP3338 is a member of the ADP33xx family of precision, low dropout (LDO), anyCAP voltage regulators. The ADP3338 operates with an input voltage range of 2.7 V to 8 V and delivers a load current up to 1 A. The ADP3338 stands out from conventional LDOs with a novel architecture and an enhanced process that offers performance advantages and higher output current than its competition. Its patented design requires only a 1 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 ADP3338 achieves exceptional accuracy of ±0.8% at room temperature and ±1.4% over temperature, line, and load variations. The dropout voltage of the ADP3338 is only 190 mV (typical) at 1 A. The device also includes a safety current limit and thermal overload protection. The ADP3338 has ultralow quiescent current: 110 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 |
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 indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
FUNCTIONAL BLOCK DIAGRAM
OUTLINE DIMENSIONS
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