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MFG:JAT  Package Cooled:3225  D/C:05+  

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Part Number: MAX8561ETA

 

MFG: JAT

Package Cooled: 3225

D/C: 05+

Description: The MAX8561 step-down dc-dc converter is optimized for applications that prioritize small size and hig...


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MAX8561ETA General Description


The MAX8561 step-down dc-dc converter is optimized for applications that prioritize small size and high efficiency. It utilizes a proprietary hysteretic-PWM control scheme that switches with fixed frequency and is adjustable up to 4MHz, allowing customers to trade efficiency for smaller external components. Output current is guaranteed up to 500mA, while quiescent current is only 40A (typ).

Internal synchronous rectification greatly improves efficiency and eliminates the external Schottky diode required in conventional step-down converters. Built-in soft-start eliminates inrush current to reduce input capacitor requirements. The MAX8561 features logic-controlled output voltage.

The MAX8561 is available in space-saving 8-pin 3mm x 3mm Thin DFN packages.

MAX8561ETA Maximum Ratings

IN, FB, SHDN, ODI, ODO to GND ............-0.3V to +6V
LX to GND (Note 1) ...............-0.3V to (VIN + 0.3V)
PGND to GND..................... -0.3V to +0.3V
LX Current 1.27A
Output Short Circuit to GND (typical operating circuit) ......10s
Operating Temperature Range ..........-40°C to +85°C
Junction Temperature ...................+150°C
Storage Temperature Range...........-65°C to +150°C
Lead Temperature (soldering, 10s) ............+300°C
Continuous Power Dissipation (TA = +70°C)
  8-Pin Thin DFN (3 x 3) ..................1951mW
Derates above +70°C
  8-Pin Thin DFN (3 x 3) .................24.4mW/°C

MAX8561ETA datasheet

MAX8561ETA
PDF/DataSheet Download

  • Datasheet: MAX8561ETA
  • File Size: 100834 KB
  • Manufacturer: MAXIM [Maxim Integrated Products]
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