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FAN23SV10M — 10 A Synchronous Buck Regulator
September 2015
FAN23SV10M
10 A Synchronous Buck Regulator
Features
V
IN
Range: 7 V to 18 V Using Internal Linear
Regulator for Bias
V
IN
Range: 4.5 V to 5.5 V with V
IN
/P
VIN
/P
VCC
Connected to Bypass Internal Regulator
High Efficiency: Over 96% Peak
Continuous Output Current: 10 A
Internal Linear Bias Regulator
Accurate Enable facilitates V
IN
UVLO Functionality
PFM Mode for Light-Load Efficiency
Excellent Line and Load Transient Response
Precision Reference: ±1% Over Temperature
Output Voltage Range: 0.6 to 5.5 V
Programmable Frequency: 200 kHz to 1.5 MHz
Programmable Soft-Start
Low Shutdown Current
Adjustable Sourcing Current Limit
Internal Boot Diode
Thermal Shutdown
Halogen and Lead Free, RoHS Compliant
Description
The FAN23SV10M is a highly efficient synchronous
buck regulator. The regulator is capable of operating
with an input range from 7 V to 18 V and supporting up
to 10 A load currents. The device can operate from a
5 V rail (±10%) if V
IN
, P
VIN
, and P
VCC
are connected
together to bypass the internal linear regulator.
This FAN23SV10M utilizes Fairchild’s constant on-time
control architecture to provide excellent transient
response and to maintain a relatively constant switching
frequency. The device utilizes Pulse Frequency
Modulation (PFM) mode to maximize light-load
efficiency by reducing switching frequency when the
inductor is operating in discontinuous conduction mode
at light loads.
Switching frequency and over-current protection can
be programmed to provide a flexible solution for
various applications. Output over-voltage, under-
voltage, over-current, and thermal shutdown protections
help prevent damage to the device during fault
conditions. After thermal shutdown is activated, a
hysteresis feature restarts the device when normal
中风发生时，一切都是以秒来计算的。延误治疗可能导致大脑重大损伤。伦敦大学医学院的一位博士Alistair McEwan已经获得行为医学研究所(Action Medical Research)的同意，为急救人员开发一种无线诊断系统来减少时间延误。感谢抗血栓药物，一些病人在病情发作的三个小时之内可以完全恢复。但出血也会导致中风。医生在治疗之前需要确定发病原因，因为不适当的服用抗血栓药物会加重损害。...[详细]
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