ADP7104
ADP7104
RECOMMENDED FOR NEW DESIGNS20 V, 500 mA, Low Noise, CMOS LDO
- Part Models
- 16
- 1ku List Price
- Starting From $2.06
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Overview
- Input voltage range: 3.3 V to 20 V
- Maximum output current: 500 mA
- Low Noise: 15 μV rms for fixed output versions
- PSRR Performance of 60 dB at 10 kHz, VOUT = 3.3 V
- Reverse current protection
- Low dropout voltage: 350 mV at 500 mA
- Initial accuracy: ±0.8%
- Accuracy over line, load, and temperature
- −2% to +1%, TJ = −40°C to +125°C
- −1.25% to +1%, TJ = 0°C to +85°C
- Low quiescent current (VIN = 5 V), IGND = 900 μA with 500 mA load
- Low shutdown current: <40 μA at VIN = 12 V, stable with small 1 μF ceramic output capacitor
- 7 fixed output voltage options: 1.5 V, 1.8 V, 2.5 V, 3 V, 3.3 V, 5 V, and 9 V
- Adjustable output from 1.22 V to VIN − VDO
- Foldback current limit and thermal overload protection
- User programmable precision UVLO/enable
- Power-good indicator
- 8-lead LFCSP and 8-lead SOIC packages
The ADP7104 is a CMOS, low dropout linear regulator that operates from 3.3 V to 20 V and provides up to 500 mA of output current. This high input voltage LDO is ideal for regulation of high performance analog and mixed signal circuits operating from 19 V to 1.22 V rails. Using an advanced proprietary architecture, it provides high power supply rejection, low noise, and achieves excellent line and load transient response with just a small 1 μF ceramic output capacitor.
The ADP7104 is available in seven fixed output voltage options and an adjustable version, which allows output voltages that range from 1.22 V to VIN − VDO via an external feedback divider.
The ADP7104 output noise voltage is 15 μV rms and is independent of the output voltage. A digital power-good output allows power system monitors to check the health of the output voltage. A user programmable precision undervoltage lockout function facilitates sequencing of multiple power supplies.
The ADP7104 is available in 8-lead, 3 mm × 3 mm LFCSP and 8-lead SOIC packages. The LFCSP offers a very compact solution and also provides excellent thermal performance for applications requiring up to 500 mA of output current in a small, low-profile footprint.
APPLICATIONS
- Regulation to noise sensitive applications: ADC, DAC circuits, precision amplifiers, high frequency oscillators, clocks, and PLLs
- Communications and infrastructure
- Medical and healthcare
- Industrial and instrumentation
Documentation
Data Sheet 1
User Guide 2
Application Note 2
Technical Articles 2
Video 1
Brochure 2
Circuit Note 3
Analog Dialogue 3
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| ADP7104ACPZ-1.5-R7 | 8-Lead LFCSP (3mm x 3mm w/ EP) | ||
| ADP7104ACPZ-1.8-R7 | 8-Lead LFCSP (3mm x 3mm w/ EP) | ||
| ADP7104ACPZ-2.5-R7 | 8-Lead LFCSP (3mm x 3mm w/ EP) | ||
| ADP7104ACPZ-3.0-R7 | 8-Lead LFCSP (3mm x 3mm w/ EP) | ||
| ADP7104ACPZ-3.3-R7 | 8-Lead LFCSP (3mm x 3mm w/ EP) | ||
| ADP7104ACPZ-5.0-R7 | 8-Lead LFCSP (3mm x 3mm w/ EP) | ||
| ADP7104ACPZ-9.0-R7 | 8-Lead LFCSP (3mm x 3mm w/ EP) | ||
| ADP7104ACPZ-R7 | 8-Lead LFCSP (3mm x 3mm w/ EP) | ||
| ADP7104ARDZ-1.5-R7 | 8-Lead SOIC w/ EP | ||
| ADP7104ARDZ-1.8-R7 | 8-Lead SOIC w/ EP | ||
| ADP7104ARDZ-2.5-R7 | 8-Lead SOIC w/ EP | ||
| ADP7104ARDZ-3.0-R7 | 8-Lead SOIC w/ EP | ||
| ADP7104ARDZ-3.3-R7 | 8-Lead SOIC w/ EP | ||
| ADP7104ARDZ-5.0-R7 | 8-Lead SOIC w/ EP | ||
| ADP7104ARDZ-9.0-R7 | 8-Lead SOIC w/ EP | ||
| ADP7104ARDZ-R7 | 8-Lead SOIC w/ EP |
| Part Models | Product Lifecycle | PCN |
|---|---|---|
|
Aug 6, 2014 - 13_0223 Assembly and Test Transfer of Select 2x3mm and 3x3mm LFCSP Products to STATS ChipPAC China |
||
| ADP7104ACPZ-1.5-R7 | PRODUCTION | |
| ADP7104ACPZ-1.8-R7 | PRODUCTION | |
| ADP7104ACPZ-2.5-R7 | PRODUCTION | |
| ADP7104ACPZ-3.0-R7 | PRODUCTION | |
| ADP7104ACPZ-3.3-R7 | PRODUCTION | |
| ADP7104ACPZ-5.0-R7 | PRODUCTION | |
| ADP7104ACPZ-9.0-R7 | PRODUCTION | |
| ADP7104ACPZ-R7 | PRODUCTION | |
|
Jun 9, 2025 - 25_0155 ADP7104 Package Outline Drawing and Data Sheet Revision |
||
| ADP7104ARDZ-1.5-R7 | PRODUCTION | |
| ADP7104ARDZ-1.8-R7 | PRODUCTION | |
| ADP7104ARDZ-2.5-R7 | PRODUCTION | |
| ADP7104ARDZ-3.0-R7 | PRODUCTION | |
| ADP7104ARDZ-3.3-R7 | PRODUCTION | |
| ADP7104ARDZ-5.0-R7 | PRODUCTION | |
| ADP7104ARDZ-9.0-R7 | PRODUCTION | |
| ADP7104ARDZ-R7 | PRODUCTION | |
This is the most up-to-date revision of the Data Sheet.
Software Resources
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Tools & Simulations
LTspice
Models for the following parts are available in LTspice:
- ADP7104
- ADP7104-1.5
- ADP7104-1.8
- ADP7104-2.5
- ADP7104-3.0
- ADP7104-3.3
- ADP7104-5.0
- ADP7104-9.0
ADI Linear Regulator Design Tool and Parametric Search
Microsoft Excel download tool from ADIsimPower to generate a power supply design complete with a schematic, bill of materials, and performance specifications.
Open ToolLTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.