ADM7172ACPZ-3.3-R7
Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
Technical Specifications
| Type | Description |
|---|---|
| Output Type | Fixed |
| Output Voltage | 3.3 V |
| Output Current | 2 A |
| Working Voltage V | 6.5 V |
| Channels | 1 |
| Type | Description |
|---|---|
| Iq A | 0.001 A |
| Output Configuration | Positive |
| Operating Temp | -40°C ~ +125°C @(Tj) |
| Features | Enable control;Adjustable soft-start;Built-in soft-start;Input under-voltage protection;Thermal shutdown;Over Current Protection |
| Package / Case | LFCSP-8 |
Product Introduction
The ADM7172 is a CMOS, low dropout linear regulator (LDO) that operates from 2.3 V to 6.5 V and provides up to 2 A of output current. This high output current LDO is ideal for regulation of high performance analog and mixed-signal circuits operating from 6 V down to 1.2 V rails. Using an advanced proprietary architecture, the device provides high power supply rejection and low noise, and achieves excellent line and load transient response with just a small 4.7 μF ceramic output capacitor. Load transient response is typically 1.5 μs for a 1 mA to 1.5 A load step.
The ADM7172 is available in 17 fixed output voltage options. The following voltages are available from stock: 1.3 V,1.8 V, 2.5 V,3.0 V,3.3 V,4.2 V, and 5.0 V. Additional voltages that are available by special order are: 1.5 V,1.85 V,2.0 V,2.2 V,2.7 V, 2.75 V,2.8 V,2.85 V,3.8 V, and 4.6 V. An adjustable version is also available that allows output voltages that range from 1.2 V to VIN - VDO with an external feedback divider.
The ADM7172 regulator output noise is 5 μV rms, independent of the output voltage. The ADM7172 is available in an 8 - lead, 3 mm×3 mm LFCSP, making it not only a very compact solution, but also providing excellent thermal performance for applications requiring up to 2 A of output current in a small, low profile footprint.
Features
- Input voltage range: 2.3 V to 6.5 V
- Maximum load current: 2 A
- Low noise: 5 μV rms independent of output voltage at 100 Hz to 100 kHz
- Fast transient response: 1.5 μs for 1 mA to 1.5 A load step
- 60 dB PSRR at 100 kHz
- Low dropout voltage: 172 mV at 2 A load, VOUT = 3 V
- Initial accuracy: -0.5% (minimum), +1% (maximum)
- Accuracy over line, load, and temperature: ±1.5%
- Quiescent current, IGND = 0.7 mA with no load
- Low shutdown current: 0.25 μA at VIN = 5 V
- Stable with small 4.7 μF ceramic output capacitor
- Adjustable and fixed output voltage options: 1.2 V to 5.0 V
- Adjustable output from 1.2 V to VIN - VDO
- Precision enable
- Adjustable soft start
- 8 - lead 3 mm×3 mm LFCSP package
- Supported by ADIsimPower tool
Applications
- - Regulation to noise sensitive applications: ADC and DAC circuits, precision amplifiers, PLLs/VCOs, and clocking ICs - Communications and infrastructure - Medical and healthcare - Industrial and instrumentation
Datasheet
Alternative Parts
Common ADM7172ACPZ-3.3-R7 alternatives overseas buyers search for:
Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS |
| 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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