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ADP165/ADP166: Very Low Quiescent Current, 150 mA, LDO Regulator Data Sheet (Rev. A)9/1/2014PDF2064 kB
Overview
Features and Benefits
- Very low quiescent current
IQ = 590 nA with 0 µA load
IQ = 890 nA with 1 µA load - Maintains very low quiescent current in dropout (pass through mode):
IQ_DROP = 720 nA with 0 µA load
IQ_DROP = 1200 nA with 1 µA load - Stable with 1 µF ± 30% ceramic input and output capacitors
- Maximum load current: ILOAD_MAX: 150 mA
- Input voltage range: 2.2 V to 5.5 V
- Low shutdown current: 50 nA typical
- Low dropout voltage: 120 mV at 150 mA load
- Initial output voltage accuracy: ±1%
- Accuracy over line, load, and temperature: ±3.5%
- 7 fixed output voltage options: 1.2 V to 3.3 V
- Adjustable output option can be set from 1.2 V to 4.2 V
- See data sheet for additional features
Product Details
The ADP165 / ADP166 are very low quiescent current, low dropout, linear regulator that operate from 2.2 V to 5.5 V and provides up to 150 mA of output current. The low 120 mV dropout voltage at 150 mA load improves efficiency and allows operation over a wide input voltage range.
The ADP165 / ADP166 are specifically designed for stable operation with a tiny 1 µF ± 30% ceramic input and output capacitors to meet the requirements of high performance, space-constrained applications.
The ADP165 / ADP166 are available in seven fixed output voltage options, ranging from 1.2 V to 3.3 V, and an adjustable output option. The ADP165 also include a switched resistor to discharge the output automatically when the LDO is disabled. The ADP166 is identical to the ADP165, but does not include the output discharge function.
Short-circuit and thermal overload protection circuits prevent damage in adverse conditions. The ADP165 / ADP166 are available in a tiny 5-lead TSOT, a 6-lead LFCSP and a 4-ball, 0.5 mm pitch WLCSP package for the smallest footprint solution to meet a variety of portable power applications.
APPLICATIONS
- Portable and battery-powered equipment
- Post dc-to-dc regulation
- Portable medical devices
- Wireless sensor network (WSN) devices
Product Categories
Markets and Technologies
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- Vital Signs Monitoring
- Electrocardiogram (ECG) Measurement
- Electroencephalogram (EEG) Measurement
- Non-Invasive Blood Pressure (NIBP)
- Respiration Rate Measurement
- Oxygen Saturation (SpO2) Measurement
- Body Composition, Hydration, Bioimpedance Analysis
- Insulin Pump
- Activity Tracking & Fall Detection
- Wearable Health Monitor
Product Lifecycle
Production
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.
Evaluation Kits (1)
Documentation & Resources
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UG-717: Setting Up the Evaluation Boards for the ADP165/ADP1668/19/2015PDF227 K
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Linear Low Dropout (LDO) Regulator Solutions4/17/2018PDF3 M
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Ultralow Noise, High Rejection Low Dropout Regulators11/18/2015PDF2 M
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