150 mA, Low Dropout, CMOS Linear Regulator
The ADP1710 and the ADP1711 are each available in sixteen fixed output voltage options. The ADP1710 is also available in an adjustable version, which allows output voltages that range from 0.8 V to 5 V via an external divider. The ADP1711 allows for a reference bypass capacitor to be connected, which reduces output voltage noise and improves power supply rejection.
The ADP1710/ADP1711 are optimized for stable operation with small 1 μF ceramic output capacitors, allowing for good transient performance while occupying minimal board space. An enable pin controls the output voltage on both devices. There is also an under-voltage lockout circuit on both devices, which disables the regulator if IN drops below a minimum threshold.
An internal soft start gives a typical start-up time of 80 μs. Short-circuit protection and thermal overload protection circuits prevent damage to the devices in adverse conditions. Both the ADP1710 and the ADP1711 are available in tiny 5 lead TSOT packages, for the smallest footprint solution to all your power needs.
- Mobile phones
- Digital camera and audio devices
- Portable and battery-powered equipment
- Post dc-dc regulation
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
Simple device measurements such as line and load regulation, dropout, and ground current can be demonstrated with just a single voltage supply, a voltmeter, a current meter, and load resistors.
Power Reference Designs
ADP1829, ADP210x, ADP171x Reference Design
Seven Output Voltages: 5.0 V, 3.6 V, 3.3 V, 2.5 V, 1.8 V, 1.2 V, 0.9 V; Output Current: 0.002 A to 3.0 A; Input...
Power Reference Designs
ADP1829, ADP210x and ADP171x Reference Design
Seven Output Voltages: 3.6 V, 3.3 V,3.3l V 2.5 V, 1.8 V, 1.25 V, 0.9 V; Output Current: 0.002 A to 3.0 A; Input...
Ask The Applications Engineer—37: Low-Dropout Regulators
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