ADP122AUJZ-3.3-R7
Power Management
Technical Specifications
| Type | Description |
|---|---|
| Output Type | Fixed |
| Output Voltage | 3.3 V |
| Output Current | 300 mA |
| Supply Voltage | 5.5 V |
| Channels | 1 |
| Type | Description |
|---|---|
| Quiescent Current | 45 µA |
| Output Configuration | Positive |
| Operating Temperature | -40°C~+125°C@(Tj) |
| Features | Enable control;Built-in soft-start;Input under-voltage protection;Short Circuit Protection;Over Current Protection;Thermal shutdown |
| Package / Case | TSOT-5 |
Product Introduction
The ADP122/ADP123 are low quiescent current, low dropout linear regulators. They are designed to operate from an input voltage between 2.3 V and 5.5 V and to provide up to 300 mA of output current. The low 85 mV dropout voltage at a 300 mA load improves efficiency and allows operation over a wide input voltage range.
The low 170 μA of quiescent current at full load makes the ADP122 ideal for battery-operated portable equipment.
The ADP122 is capable of 31 fixed output voltages from 1.75 V to 3.3 V. The ADP123 is the adjustable version of the device and allows the output voltage to be set between 0.8 V and 5.0 V by an external voltage divider.
The ADP122/ADP123 are specifically designed for stable operation with tiny 1 μF ceramic input and output capacitors to meet the requirements of high performance, space constrained applications.
The ADP122/ADP123 have an internal soft start that gives a constant start-up time of 350 μs. Short-circuit protection and thermal overload protection circuits prevent damage in adverse conditions. The ADP122/ADP123 are available in a tiny, 5-lead TSOT package and 6-lead LFCSP package for the smallest footprint solution to meet a variety of portable applications.
Features
- Input voltage supply range: 2.3 V to 5.5 V
- 300 mA maximum output current
- Fixed and adjustable output voltage versions
- Very low dropout voltage: 85 mV at 300 mA load
- Low quiescent current: 45 μA at no load
- Low shutdown current: < 1 μA
- Initial accuracy: ±1% accuracy
- Up to 31 fixed-output voltage options available from 1.75 V to 3.3 V
- Adjustable-output voltage range 0.8 V to 5.0 V (ADP123)
- Excellent PSRR performance: 60 dB at 100 kHz
- Excellent load/line transient response
- Optimized for small 1.0 μF ceramic capacitors
- Current limit and thermal overload protection
- Logic controlled enable
- Compact packages: 5-lead TSOT and 6-lead 2 mm × 2 mm LFCSP
Applications
- Digital camera and audio devices
- Portable and battery-powered equipment
- Automatic meter reading (AMR) meters
- GPS and location management units
- Medical instrumentation
- Point-of-sale equipment
Datasheet
Alternative Parts
Common ADP122AUJZ-3.3-R7 alternatives overseas buyers search for:
Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS3 |
| ECCN | EAR99 |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| Type | Details |
|---|---|
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |
Sourcing Information
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