MAX77874BEWM+ by Analog Devices

16A High-Performance Quad-Phase Buck Regulator for Multicore CPU and GPU Processors


The MAX77874 is a quad-phase, high-current, step-down buck regulator for CPU and GPU multicore processors. Proprietary IP provides industry-leading transient response, output voltage accuracy, high efficiency, and miniature PCB footprint. The output voltage is I²C programmable from 0.25V to 1.30V in 5mV steps. Output current capability is 16A. Rotational phase spreading ensures high efficiency and low ripple at light loads with seamless operation across all varying loads. Turbo skip mode combines the same transient response of forced-PWM mode with light load efficiency similar to Skip mode. Soft-start and DVS ramp rates are I²C programmable and controlled through dedicated logic inputs. The MAX77874 is offered in a 48-bump, 0.35mm pitch WLP array and is specified over the -40°C to +85°C temperature range. Design Solution: Extend the Run Time of Your Multi-Tasking Smartphone Design ›

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Prices starting from US$1.24

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Features

Operating Range VIN: 2.7V to 4.8V VOUT: 0.25V to 1.30V in 5mV Steps IOUT: Up to 16A
VIN: 2.7V to 4.8V
VOUT: 0.25V to 1.30V in 5mV Steps
IOUT: Up to 16A
Fast Load-Transient Response 25mV Droop in FPWM and Turbo-Skip Modes 40mV Droop in Skip Mode Conditions: 3.7VIN, 0.9VOUT, 200mA to 9.2A
25mV Droop in FPWM and Turbo-Skip Modes
40mV Droop in Skip Mode
Conditions: 3.7VIN, 0.9VOUT, 200mA to 9.2A
Tight VOUT Accuracy 0.28% (max) Initial Accuracy at 0.9VOUT 1.5% (max) Over Line/Temperature 3mVP-P (typ) Ripple at All Loads
0.28% (max) Initial Accuracy at 0.9VOUT
1.5% (max) Over Line/Temperature
3mVP-P (typ) Ripple at All Loads
High Efficiency 89% Peak Efficiency at 3.7VIN, 0.9VOUT, 3.5AOUT Auto Rotational Phase Spreading at Light Loads
89% Peak Efficiency at 3.7VIN, 0.9VOUT, 3.5AOUT
Auto Rotational Phase Spreading at Light Loads
Flexible Features I2C Interface and EN, DVS, Active-Low IRQ Logic Pins Programmable Soft-Start and DVS Ramp Rates Two Thermal Alarms and POK Interrupts
I2C Interface and EN, DVS, Active-Low IRQ Logic Pins
Programmable Soft-Start and DVS Ramp Rates
Two Thermal Alarms and POK Interrupts
Small Solution Size 37mm2 Total Area with 2012-Size Inductors 41mm2 Total Area with 2016-Size Inductors 2.22mm x 2.92mm WLP Package (0.35mm pitch)
37mm2 Total Area with 2012-Size Inductors
41mm2 Total Area with 2016-Size Inductors
2.22mm x 2.92mm WLP Package (0.35mm pitch)

Specifications

VIN (V) (min) 2.9
VIN (V) (max) 4.8
VOUT1 (V) (min) 0.25
VOUT1 (V) (max) 1.3
IOUT1 (A) (max) 16
Switch Type Internal
Preset VOUT (V) 0.9
Output Adjust. Method Digital/VIDPreset
Synchronous Switching? Yes
Power Good Signal Yes
# DC-DC Outputs 1
Switching Frequency (kHz) 2000
Design Tools EE-Sim
Package/Pins WLP/48
BudgetaryPrice (See Notes) 1.5


MAX77874BEWM+ Power Management ICs - PMIC by Analog Devices

DC/DC CONV BUCK 2MHZ WLP-48

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Topology Buck (Step Down)
Input Voltage Min 2.7V
Input Voltage Max 4.8V
No. of Outputs 4Outputs
DC / DC Converter IC Case WLP
No. of Pins 48Pins
Output Current 16A
Output Voltage Min 250mV
Output Voltage Max 1.3V
Switching Frequency 2MHz
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant To Be Advised
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

16A Uncoupled Quad-Phase Core | Analog Devices
Dc/Dc Conv, Buck, 2Mhz, Wlp-48 | Newark Electronics
DC/DC CONV, BUCK, 2MHZ, WLP-48 | Farnell

Frequently Asked Questions

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Is the MAX77874BEWM+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

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