Features: 61.2% Accuracy Over Line and Load Regulations @ +258CUltralow Dropout Voltage: 120 mV Typical @ 100 mARequires Only CO = 0.47 mF for StabilityanyCAP = Stable with All Types of Capacitors(Including MLCC)Current and Thermal LimitingLow NoiseLow Shutdown Current: 1 mA3.0 V to 12 V Supply Ra...
ADP3309: Features: 61.2% Accuracy Over Line and Load Regulations @ +258CUltralow Dropout Voltage: 120 mV Typical @ 100 mARequires Only CO = 0.47 mF for StabilityanyCAP = Stable with All Types of Capacitors(I...
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Input Supply Voltage . . . . . . . . . . . . . . . . . . . . . . 0.3 V to +16 V
Shutdown Input Voltage . . . . . . . . . . . . . . . . . . . 0.3 V to +16 V
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . Internally Limited
Operating Ambient Temperature Range . . . . . . 55°C to +125°C
Operating Junction Temperature Range . . . . . . 55°C to +125°C
JA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190°C/W
JC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92°C/W
Storage Temperature Range . . . . . . . . . . . . . . . 65°C to +150°C
Lead Temperature Range (Soldering 10 sec) . . . . . . . . . . . .+300°C
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+215°C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+220°C
The ADP3309 is a member of the ADP330x family of precision low dropout anyCAP voltage regulators. It is pin-for-pin and functionally compatible with National's LP2981, but offers performance advantages. The ADP3309 stands out from con- ventional LDOs with a novel architecture and an enhanced process. Its patented design requires only a 0.47 µF output capacitor for stability. This device is stable with any type of capacitor regardless of its ESR (Equivalent Series Resistance) value, including ceramic types for space restricted applications.
The ADP3309 achieves ±1.2% accuracy at room temperature and ±2.2% overall accuracy over temperature, line and load regulations. The dropout voltage of the ADP3309 is only 120 mV (typical) at 100 mA. This device also includes a current limit and a shutdown feature. In shutdown mode, the ground current is reduced to ~1 µA.