Datasheet Details
- Part number
- MAX1843
- Manufacturer
- Maxim
- File Size
- 840.26 KB
- Datasheet
- MAX1843_MaximIntegratedProducts.pdf
- Description
- 2.7A / 1MHz / Low-Voltage / Step-Down Regulator
MAX1843 Description
19-1986; Rev 1; 3/02 KIT EVALUATION E BL LA AVAI 2.7A, 1MHz, Low-Voltage, Step-Down Regulator with Internal Synchronous Rectification in QFN Package.
The MAX1843 constant-off-time, pulse-width modulated (PWM) step-down DC-DC converter is ideal for use in 5V and 3.
MAX1843 Features
* an internal PMOS power switch and internal synchronous rectification for high efficiency and reduced component count. An external Schottky diode is not required. The internal 90mΩ power switch and 70mΩ NMOS synchronous-rectifier switch easily deliver continuous load currents up to 2.7A. The MAX1843
MAX1843 Applications
* 5V or 3.3V to Low-Voltage Conversion CPU I/O Ring Chipset Supplies Notebook and Subnotebook Computers
PART MAX1843EGI
Ordering Information
TEMP RANGE -40°C to +85°C PIN-PACKAGE 28 QFN
Pin Configuration
N. C. N. C. N. C. 28 27 26 25 24 23 22 21 PGND 20 PGND 19 LX N. C. 18 LX 17 PGND 16 VCC 15 FBSEL 8 T
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