MAX8896EREE+T Analog Devices Integrated Circuit (BGA) In Stock
The Analog Devices MAX8896EREE+T is a dual-channel PWM step-down (buck) DC-DC converter optimized for WCDMA power amplifier and RF power supply applications, accepting 2.7V to 5.5V input and operating in hysteretic current-mode control for fast transient response. It is housed in an ultra-compact 2mm x 2mm 16-ball WLCSP package, enabling minimal PCB footprint in space-constrained mobile RF designs. Ideal for 3G/4G handset PA supply rails, RF front-end modules, and battery-powered wireless communication systems.
- Manufacturer
- Analog Devices
- Package
- BGA
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- MAX8896EREE+T Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual-channel PWM step-down topology delivers two independent regulated output voltages from a single 2.7V to 5.5V input supply
- Hysteretic current-mode control provides fast load transient response critical for dynamic WCDMA/RF power amplifier supply rails
- Ultra-compact 2mm x 2mm 16-ball WLCSP package minimizes PCB area to under 4mm² for space-constrained mobile and RF module designs
- Wide input voltage range of 2.7V to 5.5V supports operation from single-cell Li-Ion batteries across the full discharge curve
- Optional 3.1V output configuration and LDO regulator variant offer design flexibility for multi-rail RF front-end power architectures
Applications
The MAX8896EREE+T is designed for WCDMA (3G) and multi-mode RF power amplifier power supply networks in mobile handsets, wireless data cards, and IoT modules where two closely regulated supply rails must be derived from a single Li-Ion cell with minimal board space. Its hysteretic current-mode PWM control enables tight voltage regulation during the rapid load current transients characteristic of burst-mode WCDMA and LTE transmit cycles, preventing supply voltage droops that could degrade EVM and output power. The 2mm x 2mm WLCSP package allows placement within 3mm to 5mm of the PA die, reducing interconnect parasitics and EMI on noise-sensitive RF power traces.
Specifications
| Manufacturer Package Code | 16-WLCSP-N/A |
| Date Of Intro | 2009-06-04 |
| YTEOL | 0 |
| Additional Feature | 3.1 V OUTPUT ALSO AVAILABLE; ALSO AS LDO REGULATOR |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | HYSTERETIC CURRENT MODE |
| Input Voltage-Max | 5.5V |
| Input Voltage-Min | 2.7V |
| Input Voltage-Nom | 3.6V |
| JESD-30 Code | S-PBGA-B16 |
| JESD-609 Code | e1 |
| Number of Functions | 1 |
| Output Current-Max | 1.7A |
| Output Voltage-Max | 2.856V |
| Output Voltage-Min | 2.744V |
| Output Voltage-Nom | 2.8V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | BGA16,4X4,20 |
| Package Shape | SQUARE |
| Package Style | GRID ARRAY, VERY THIN PROFILE, FINE PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 2200kHz |
| Technology | BICMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Tin/Silver/Copper (Sn/Ag/Cu) |
| Terminal Form | BALL |
| Terminal Pitch | 0.5mm |
| Terminal Position | BOTTOM |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | BGA |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Japan, Mainland China, Malaysia, Philippines, Singapore, South Korea, Taiwan, Thailand, USA |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What input voltage range does the MAX8896EREE+T support, and how does it perform across a Li-Ion battery discharge cycle?
The MAX8896EREE+T accepts an input voltage range of 2.7V to 5.5V, spanning the full discharge curve of a single-cell Li-Ion battery (4.2V fully charged to approximately 3.0V at end of discharge). Both step-down channels maintain regulated output voltage throughout this input range, with the hysteretic current-mode control loop adjusting duty cycle dynamically as input voltage drops, ensuring uninterrupted WCDMA PA supply even as battery voltage falls during a voice call or data burst.
How does the hysteretic current-mode control in MAX8896EREE+T benefit WCDMA PA power supply design compared to voltage-mode PWM?
Hysteretic current-mode control in the MAX8896EREE+T responds to load current changes within nanoseconds rather than the microsecond-range response typical of voltage-mode PWM converters. In WCDMA applications, the PA load current can slew at rates exceeding 100mA/µs during transmit burst transitions, and a slow supply voltage response would cause instantaneous voltage droops of 50mV to 100mV that directly degrade adjacent channel leakage ratio (ACLR) and error vector magnitude (EVM). The hysteretic architecture suppresses these droops to under 20mV, maintaining RF performance compliance.
What PCB area does the MAX8896EREE+T 2mm x 2mm WLCSP package require, including recommended bypass capacitors?
The MAX8896EREE+T in 16-ball WLCSP measures 2mm x 2mm, occupying only 4mm² of PCB area for the IC itself. With the required input bypass capacitors (typically 2x 10µF in 0402 package), output inductors (2x 1µH in 2mm x 1.6mm package), and output capacitors (4x 10µF in 0402 package), the total power supply solution footprint is typically 30mm² to 50mm² — a critical size advantage over competing solutions using TDFN or QFN packages that require 50mm² to 80mm² total solution area in the same dual-rail application.
Is the MAX8896EREE+T suitable for LTE or 4G PA supply rails, or is it limited to WCDMA (3G) applications?
While the MAX8896EREE+T is specified and characterized for WCDMA PA supply use, its 2.7V to 5.5V input range, dual-rail output, and fast hysteretic current-mode control are also well-matched to LTE Category 1 through Category 4 PA supply requirements where envelope tracking is not used. For LTE applications with envelope tracking (LTE-A Cat 6 and above), a dedicated envelope-tracking power supply IC is typically required; the MAX8896EREE+T is best suited for static or average-power-tracking PA supply architectures operating at fixed output voltages.
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Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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