ADP1876
Obsolete600 kHz Dual Output Synchronous Buck PWM Controller Plus Linear Regulator
- Part Models
- 1
- 1ku List Price
- Starting From $2.02
Overview
- Wide input range: 2.75 V to 20 V
- Power stage input voltage: 1 V to 20 V
- Output voltage range: 0.6 V up to 90% VIN
- Linear dropout (LDO) regulator with a fixed output 1.5 V at 150 mA
- Output current more than 25 A per channel
- 180º phase shift between channels for reduced input capacitance
- ±0.85% reference voltage accuracy from −40°C to +85°C
- Integrated boost diodes
- Independent channel precision enable
- Overcurrent limit protection
- Externally programmable soft start, slope compensation, and current sense gain
- Thermal overload protection
- Input undervoltage lockout (UVLO)
- Power good with internal pull-up resistor
- Available in 32-lead, 5 mm × 5 mm LFCSP
The ADP1876 is a dual output dc-to-dc synchronous buck controller operating at 600 kHz fixed frequency with integrated drivers that drive N-channel power MOSFETs. An additional fixed voltage output, 150 mA linear regulator is available for powering low power loads. The device operates in current mode for improved transient response and uses valley current sensing for enhanced noise immunity. The two PWM outputs are phase shifted 180° for reducing the input current ripple and the required input capacitance.
The ADP1876 provides high speed, high peak current drive capability with dead time optimization to enable energy efficient power conversion.
Additional flexibility is provided by external programmability of loop compensation, soft start, current limit and current sense gain can all be programmed using external components. The ADP1876 has integrated boost diodes and power good. Protection features include under-voltage lock-out, over-current/short-circuit and over temperature. The ADP1876 provides an output voltage accuracy of ±0.85% from −40°C to +85°C and ±1.5% from −40°C to 125°C in junction temperature. This part can be powered from a 2.75 V to 20 V supply, operates over the −40°C to +125°C junction temperature range, and is available in a 32-lead 5 mm × 5 mm LFCSP package.
Applications
- Consumer applications
- Telecommunications base station and networking
- Industrial and instrumentation
Documentation
Data Sheet 1
User Guide 1
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 |
|---|---|---|---|
| ADP1876ACPZ-R7 | 32-Lead LFCSP (5mm x 5mm x 0.75mm w/ EP) |
| Part Models | Product Lifecycle | PCN |
|---|---|---|
|
Feb 6, 2017 - 16_0234 Assembly Transfer to ASE Korea and Test Transfer to STATS ChipPAC Singapore of Select LFCSP Parts. |
||
| ADP1876ACPZ-R7 | Obsolete | |
|
Aug 6, 2014 - 13_0230 Assembly and Test Transfer of Select 3.5x3.5, 4x3, 4x4, and 5x5mm LFCSP Products to STATS ChipPAC China |
||
| ADP1876ACPZ-R7 | Obsolete | |
|
Feb 20, 2025 - 24_0104 Obsolescence of ADP1876 |
||
| ADP1876ACPZ-R7 | Obsolete | |
This is the most up-to-date revision of the Data Sheet.
Software Resources
Can't find the software or driver you need?
Request a Driver/SoftwareTools & Simulations
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 ToolADP187x Buck Designer Tool
Microsoft Excel download tool from ADIsimPower to generate a power supply design complete with a schematic, bill of materials, and performance specifications.
Open ToolEvaluation Kits
ADP1876 Evaluation Board