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RY8413A Force-PWM SYN Buck, 4-42V, 1.2A, 800kHz, VFB 0.765V, SOT23-6
2021-06-01 17:30
物料编码：70301655
产品型号：RY8413A
产品规格：RY8413A Force-PWM SYN Buck, 4-42V, 1.2A, 800kHz, VFB 0.765V, SOT23-6
产品类型：单路降压DCDC
封装类型：SOT23-6
产品品牌：RYCHIP
Features
• Wide 4V to 38V Operating Input Range
• Standoff Voltage: 42V
• 1.2A Continuous Output Current
• Fixed 800kHz Switching Frequency
• Built-in Over Current Limit
• Built-in Over Voltage Protection
• Non-A option Support PSM Mode
• A option Support Force-PWM Mode
• Low Shutdown IQ: <10-µA Typical
• Internal Soft-Start
• High Efficiency at 12V-3.3V: Up to 90%
• 250mΩ/150mΩ Low RDS(ON) Internal Power
MOSFETs
• Output Adjustable from 0.765V
• No Schottky Diode Required
• Short Protection with Hiccup-Mode
• Integrated internal compensation
• Thermal Shutdown
• -40°C to +85°C Temperature Range
• Available in SOT23-6 Package
Applications
• Battery-Powered Equipment
• Portable Media Players
• Industrial Distributed Power Applications
• Portable Hand-Held Instruments
General Description
The RY8413 devices are high-efficiency, synchronous step-down DC/DC regulators. With a wide input range, they
are suitable for a wide range of applications, such as power conditioning from unregulated sources. They feature a
low RDSON (250mΩ/150mΩ typical) internal switch for maximum efficiency (92% typical). Support PSM mode
(Non-A Option) and Force-PWM mode (A option), Operating frequency is fixed at 800kHz, allowing the use of
small external components while still being able to have low output voltage ripple. With OVP function, the IC can
stand off input voltage as high as 45V. The RY8413 support 1.2AContinuous Output Current, they all have a 0.765V
nominal feedback voltage.
Additional features include: thermal shutdown, VIN undervoltage lockout, and gate drive undervoltage lockout. The
RY8413 are available in a low-profile SOT23-6 package.
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