Features: • Very Low Dropout Voltage• Low Current Consumption: Typ. 45A, max. 60mA• Output Voltage: 1.5V, 1.8V, 2.0V, 2.5V, 2.8V, 3.0V3.3V, and 3.5V• Guaranteed 300mA Output• Input Range from 2.7 up to 5.5V• Thermal Shutdown• Current Limiting• Stabil...
AP139: Features: • Very Low Dropout Voltage• Low Current Consumption: Typ. 45A, max. 60mA• Output Voltage: 1.5V, 1.8V, 2.0V, 2.5V, 2.8V, 3.0V3.3V, and 3.5V• Guaranteed 300mA Output&...
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Low Dropout (LDO) Regulators LDO CMOS 300MA 0.5V VOUT+0.5V-7.0V 1.5V
Symbol | Parameter | Rating | Unit |
VIN | Input Voltage | +6 | V |
IOUT | Output Current | PD/ (VIN-VO) | mA |
VOUT | Output Vol | GND - 0.3 to VIN+ 0.3 | V |
ESD Classification | B | ||
Top | Operating Junction Temperature Range | -40 to +12 | ºC |
TMJ | Maximum Junction Tem | 150 | ºC |
PD | Internal Power Dissipation | 250 | mW |
Part Number | AP139 |
Channel | 1 |
Output Current (A) | 0.3 |
Dropout Voltage Max (V) | 0.45 |
Quiescent Current typ (uA) | 45 |
Operating Input Voltage (V) | 2.7 ~ 5.5 |
Output Voltage (V) | 1.5/ 1.8/ 2.0/ 2.5/ 2.8/ 3.0/ 3.3/ 3.5 |
Operating Ambient Temp Range (C) | -40 to 85 |
The AP139 is a positive voltage linear regulator utilizing CMOS technology. The features that include low quiescent current(45A typ.), low dropout voltage, and high output voltage accuracy, make it ideal for battery applications. EN input connected to the device will produce a low bias current. The space-saving SOT25 package is attractive for "pocket" and "hand held" applications.
AP139 has both thermal shutdown, and current limit protections to prevent device failure under the "worst" operating conditions.
In a low noise, regulated supply application, a 10nF capacitor is necessary to be placed in between Bypass and Ground. The AP139 is stable with a low ESR output capacitor of 1.0F or greater.