SY8113BADC

Silergy
Application Note: SY8113B High Efficiency, 500kHz, 3A, 18V Input Synchronous Step Down Regulator General Description Features The SY8113B is a high efficiency 500 kHz synchronous step-down DC-DC converter capable of delivering 3A current. The SY8113B operates over a wide input voltage range from 4.5V to 18V and integrates main switch and synchronous switch with very low RDS(ON) to minimize th...
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Application Note: SY8113B High Efficiency, 500kHz, 3A, 18V Input Synchronous Step Down Regulator General Description Features The SY8113B is a high efficiency 500 kHz synchronous step-down DC-DC converter capable of delivering 3A current. The SY8113B operates over a wide input voltage range from 4.5V to 18V and integrates main switch and synchronous switch with very low RDS(ON) to minimize the conduction loss. • Low output voltage ripple and small external inductor and capacitor sizes are achieved with 500 kHz switching frequency. It adopts the instant PWM architecture to achieve fast transient responses for high step down applications • • • • Ordering Information Applications SY8113 □(□□)□ Temperature Code Package Code Optional Spec Code Ordering Number SY8113BADC Package type TSOT23-6 Note -- • • • • • • • • • low RDS(ON) for internal switches (top/bottom): 80mΩ/40mΩ 4.5-18V input voltage range 3A output current capability 500 kHz switching frequency Instant PWM architecture to achieve fast transient responses. Cycle-by-cycle peak current limitation Internal softstart limits the inrush current ±1.5% 0.6V reference TSOT23-6 package Set Top Box Portable TV Access Point Router DSL Modem LCD TV Typical Applications Figure 1. Schematic Diagram AN_SY8113B Rev.0.1 Figure 2. Efficiency Figure Silergy Corp. Confidential-prepared for Internal Use Only 1 PDF
Документация на SY8113BADC 

Дата модификации: 02.01.1970

Размер: 1.16 Мб

10 стр.

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