SY8204FCC

Silergy
Application Notes: AN_SY8204 High Efficiency Fast Response, 4A, 30V Input Synchronous Step Down Regulator General Description Features SY8204 develops a high efficiency synchronous stepdown DC-DC converter capable of delivering 4A output current. SY8204 operates over a wide input voltage range from 4.5V to 30V and integrates main switch and synchronous switch with very low RDS(ON) to minimize...
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Технические характеристики

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Корпус SO-8
Тип преобразователя
Входное напряжение
Выходное напряжение
Максимальный выходной ток
Кол-во выходов
Частота преобразования
Ток собственного потребления
Встроенные возможности
Рабочая температура
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Application Notes: AN_SY8204 High Efficiency Fast Response, 4A, 30V Input Synchronous Step Down Regulator General Description Features SY8204 develops a high efficiency synchronous stepdown DC-DC converter capable of delivering 4A output current. SY8204 operates over a wide input voltage range from 4.5V to 30V and integrates main switch and synchronous switch with very low RDS(ON) to minimize the conduction loss. • Low RDS(ON) for internal switches (top/bottom): 80/50 mΩ • 4.5-30V input voltage range • Instant PWM architecture to achieve fast transient responses • External softstart limits the inrush current • Pseudo-constant frequency: 500kHz at heavy loads • 4A continuous, 5A peak load current capability • 1.5% 0.6V reference • Output over current limit • Output short circuit protection with current fold back • Thermal shutdown and auto recovery • RoHS Compliant and Halogen Free • Compact package: SO8E SY8204 adopts the proprietary instant PWM architecture to achieve fast transient responses for high step down applications and high efficiency at light loads. In addition, it operates at pseudo-constant frequency of 500kHz under continous conduction mode to minimize the size of inductor and capacitor. Ordering Information SY8204 □(□□)□ Temperature Code Package Code Optional Spec Code Temperature Range: -40°C to 85°C Ordering Number SY8204FCC Package type SO8E Applications Note -- • • • • • • • LCD-TV SetTop Box Notebook High power AP router LCD Monitor DVR/NVR NAS Typical Applications Efficiency vs. Load Current 90 Efficiency (%) 85 80 75 70 65 60 VIN=12V, VOUT=1.8V VIN=18V, VOUT=1.8V 55 VIN=30V, VOUT=1.8V 50 1 10 100 1000 10000 Load Current (mA) Figure 1. Schematic Diagram AN_SY8204 Rev. 0.1 Figure 2. Efficiency vs. Load Current 1 PDF
Документация на SY8204FCC 

Дата модификации: 26.12.2023

Размер: 1.79 Мб

9 стр.

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