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MAX1951

SpecificationsItem RatingIN, VCC to GND -0.3V to +6VCOMP, FB, REF to GND-0.3V to (VCC + 0.3V)LX to Current (Note 1)±4.5APGND to GND Internally ConnectedOperating Temperature Range-40°C to +85°CJunction Temperature Range -40°C to +150°CStorage Temperature Range-65°C to +150°CLead Temperature (solde...

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SeekIC No. : 004409454 Detail

MAX1951: SpecificationsItem RatingIN, VCC to GND -0.3V to +6VCOMP, FB, REF to GND-0.3V to (VCC + 0.3V)LX to Current (Note 1)±4.5APGND to GND Internally ConnectedOperating Temperature Range-40°C to +85°CJunct...

MAX1951 Data Sheet

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Part Number:
MAX1951
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/27

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Product Details

Description



Specifications

Item                                                                                         Rating
IN, VCC to GND                                                          -0.3V to +6V
COMP, FB, REF to GND                                               -0.3V to (VCC + 0.3V)
LX to Current (Note 1)                                               ±4.5A
PGND to GND                                                              Internally Connected
Operating Temperature Range                                   -40°C to +85°C
Junction Temperature Range                                      -40°C to +150°C
Storage Temperature Range                                      -65°C to +150°C
Lead Temperature (soldering, 10s)                             +300°C
Continuous Power Dissipation (TA = +70°C)
    8-Pin SO                                                                   976mW
Derates above +70°C
    8-Pin SO                                                                   12.12mW/°C


Description

The MAX1951 high-efficiency, DC-to-DC step-down switching regulator delivers up to 1.5A of output current. The device operates from an input voltage range of 2.6V to 5.5V and provides an output voltage from 0.8V to VIN, making the MAX1951 ideal for on-board postregulation applications. The total output error is less than 1% over load, line, and temperature.

The MAX1951 operates at a fixed frequency of 1MHz with an efficiency of up to 94%. The high operating frequency minimizes the size of external components. Internal soft-start control circuitry reduces inrush current. Short-circuit and thermal-overload protection improve design reliability.

The MAX1951 provides an adjustable output from 0.8V to VIN. The device ia available in a space-saving 8-pin SO package.




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