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Application Note: AN_SYR837/SYR838
High Efficiency 5.5V, 6A, 2.4MHz
2
I C Programmable, Synchronous Step Down Regulator
General Description Features
SYR837/SYR838 is a high efficiency 2.4MHz synchronous • Input voltage range: 2.6V to 5.5V
step down DC/DC regulator IC capable of delivering up to • 2.4 MHz switching frequency minimizes the external
6A output currents. It can operate over a wide input voltage components
range from 2.6V to 5.5V and integrate main switch and • Typical 65uA quiescent current
synchronous switch with very low RDS (ON) to minimize the • Low RDS(ON) for internal switches (PFET/NFET):
conduction loss. The output voltage can be programmed 28mΩ/17mΩ
from 0.7125V to 1.5V through I2C interface. • Programmable Output Voltage: 0.7125V to 1.5V in
12.5mV steps
SYR837/SYR838 is in a space saving, low profile
CSP1.56*1.96-20 package. • 6A continuous output current capability.
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