MAX1714BEEE+ by Analog Devices

High-Speed Step-Down Controller for Notebook Computers

Status: Active
Series: MAX1714A, MAX1714B
RoHS: Unknown
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The MAX1714 pulse-width modulation (PWM) controller provides the high efficiency, excellent transient response, and high DC output accuracy needed for stepping down high-voltage batteries to generate low-voltage CPU core or chip-set/RAM supplies in notebook computers. Maxim's proprietary Quick-PWM™ quick-response, constant-on-time PWM control scheme handles wide input/output voltage ratios with ease and provides 100ns "instant-on" response to load transients while maintaining a relatively constant switching frequency. The MAX1714 achieves high efficiency at a reduced cost by eliminating the current-sense resistor found in traditional current-mode PWMs. Efficiency is further enhanced by an ability to drive very large synchronous-rectifier MOSFETs. Single-stage buck conversion allows these devices to directly step down high-voltage batteries for the highest possible efficiency. Alternatively, two-stage conversion (stepping down the +5V system supply instead of the battery) at a higher switching frequency allows the minimum possible physical size. The MAX1714 is intended for CPU core, chipset, DRAM, or other low-voltage supplies as low as 1V. The MAX1714A is available in a 20-pin QSOP package and includes overvoltage protection. The MAX1714B is available in a 16-pin QSOP package with no overvoltage protection. For applications requiring VID compliance or DAC control of output voltage, refer to the MAX1710/MAX1711 data sheet. For a dual output version, refer to the MAX1715 data sheet.

Prices starting from US$2.96


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Logo for CoreStaff CoreStaff US$2.96
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Logo for element14 element14 US$4.15
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Logo for Newark Electronics Newark Electronics -
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Features

Ultra-High Efficiency
No Current-Sense Resistor (Lossless ILIMIT)
Quick-PWM with 100ns Load-Step Response
1% VOUT Accuracy Over Line and Load
2.5V/3.3V Fixed or 1V to 5.5V Adjustable Output Range
2V to 28V Battery Input Range
200/300/450/600kHz Switching Frequency
Overvoltage Protection (MAX1714A)
Undervoltage Protection
1.7ms Digital Soft-Start
Drives Large Synchronous-Rectifier FETs
2V ±1% Reference Output
Power-Good Indicator

Specifications

VIN (V) (min) 2
VIN (V) (max) 28
VOUT1 (V) (min) 1
VOUT1 (V) (max) 5.5
IOUT1 (A) (max) 8
Switch Type External
Preset VOUT (V) 2.53.3
Output Adjust. Method PresetResistor
Synchronous Switching? Yes
# DC-DC Outputs 1
Switching Frequency (kHz) 600
Package/Pins See Data Sheet


MAX1714BEEE+ Semiconductors - ICs by Analog Devices

DC/DC CONTROLLER BUCK 600KHZ QSOP-20

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

Specifications

Supply Voltage Min 4.5V
Supply Voltage Max 5.5V
No. of Outputs 1 Output, 1Outputs
Duty Cycle (%) 100%
Controller IC Case Style QSOP
No. of Pins 16Pins
Switching Frequency 600kHz
Topology Buck (Step Down)
Operating Temperature Min -40°C
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

DC/DC CONTROLLER, BUCK, 600KHZ, QSOP-20 | Farnell
Dc/Dc Controller, Buck, 600Khz, Qsop-20 | Newark Electronics

Frequently Asked Questions

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This part has not been flagged as RoHS Compliant.

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