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MAX16903

Maxim Integrated Products
Part Number MAX16903
Manufacturer Maxim Integrated Products
Description 1A Mini-Buck Converter
Published Oct 21, 2010
Detailed Description MAX16903 EVALUATION KIT AVAILABLE 2.1MHz, High-Voltage, 1A Mini-Buck Converter General Description The MAX16903 is a s...
Datasheet PDF File MAX16903 PDF File

MAX16903
MAX16903

Overview
MAX16903 EVALUATION KIT AVAILABLE 2.
1MHz, High-Voltage, 1A Mini-Buck Converter General Description The MAX16903 is a small, synchronous buck converter with integrated high-side and low-side switches.
The device is designed to deliver 1A with input voltages from +3.
5V to +28V while using only 25μA quiescent current at no load.
Voltage quality can be monitored by observing the PGOOD signal.
The MAX16903 can operate in dropout by running at 97% duty cycle, making it ideal for automotive and industrial applications.
The MAX16903 operates at a 2.
1MHz frequency, allowing for small external components and reduced output ripple.
It guarantees no AM band interference.
SYNC input programmability enables three frequency modes for optimized performance: forced fixed-frequency operation, skip mode (ultra-low quiescent current of 25μA), and synchronization to an external clock.
The MAX16903 can be ordered with spread-spectrum frequency modulation, designed to minimize EMI-radiated emissions due to the modulation frequency.
The MAX16903 is available in a thermally enhanced, 3mm x 3mm, 10-pin TDFN package or a 16-pin TSSOP package.
The MAX16903 operates over the -40°C to +125°C automotive temperature range.
Applications ●● Automotive ●● Industrial ●● Military ●● High-Voltage Input-Power DC-DC Applications Ordering Information PART SPREAD TEMP PINSPECTRUM RANGE PACKAGE MAX16903RAUE__/V+ Disabled -40°C to +125°C 16 TSSOP-EP* MAX16903RATB__/V+ Disabled -40°C to +125°C 10 TDFN-EP* MAX16903SAUE__/V+ Enabled -40°C to +125°C 16 TSSOP-EP* MAX16903SATB__/V+ Enabled -40°C to +125°C 10 TDFN-EP* Note: Insert the desired suffix letters (from Selector Guide) into the blanks to indicate the output voltage.
Alternative output voltages available upon request.
+Denotes a lead(Pb)-free/RoHS-compliant package.
/V denotes an automotive qualified part.
*EP = Exposed pad.
Benefits and Features ●● Meets Stringent Automotive Quality and Reliability Requirements • +3.
5V to +28V I...


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