MAX1920, MAX1921 Low-Voltage, 400mA Step-Down DC-DC Converters In SOT23

The MAX1920 MAX1921 Step-down converters deliver over 400mA to outputs as low as 1.25V. These converters use a unique proprietary current-limited control scheme that achieves over 90% efficiency. These devices maintain extremely low quiescent supply current (50A), and their high 1.2MHz (max) operating frequency permits small, low-cost external components. This combination makes the MAX1920 MAX1921 excellent high-efficiency alternatives to linear Regulators in space-constrained applications.
Internal synchronous rectification greatly improves efficiency and eliminates the external Schottky Diode required in conventional Step-down converters. Both devices also include internal digital soft-start to limit input current upon startup and reduce input capacitor requirements.
The MAX1920 provides an adjustable output voltage (1.25V to 4V). The MAX1921 provides factory-preset output voltages (see the Selector Guide). Both are available in space-saving 6-pin SOT23 packages. The MAX1920 is also available in a 6-pin TDFN package.
By Maxim Integrated Products
MAX1921 's PackagesMAX1921 's pdf datasheet
MAX1921EUT30 SOT-23
MAX1921EUT30T SOT-23
MAX1921EUT33T SOT-23
MAX1921EUT15T SOT-23
MAX1921EUT15 SOT-23
MAX1921EUT33 SOT-23
MAX1921EUT18 SOT-23
MAX1921EUT25 SOT-23
MAX1921EUT18T SOT-23
MAX1921EUT33-T SOT-23
MAX1921EUT30-T SOT-23
MAX1921EUT25-T SOT-23
MAX1921EUT18-T SOT-23
MAX1921EUT15-T SOT-23
MAX1921EUT25T SOT-23

MAX1921 Pinout, Pinouts
MAX1921 pinout,Pin out
This is one package pinout of MAX1921,If you need more pinouts please download MAX1921's pdf datasheet.

MAX1921 Application circuits
MAX1921 circuits
This is one application circuit of MAX1921,If you need more circuits,please download MAX1921's pdf datasheet.

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