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STI3452HF2

零售价
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浏览量:
1000
产品编号
VIN Range (V):
4.5 to 18
IOUT (A):
2
Switching Frequency (Hz):
1MHz
VFB (V):
0.6
Iq(μA):
300
HSFET Rds(on) (Ω):
0.09
LSFET Rds(on) (Ω):
0.045
Control Mode:
COT
Functions:
FPWM / High Frequency / Fast Response
Package:
SOT563
Status:
MP
数量
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库存:
0
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FEATURES
参数
GENERAL DESCRIPTION
APPLICATIONS
TYPICAL APPILCATION

. High Efficiency: Up to 93%(@3.3V)

. Force PWM 1MHz Operation

. Up to 2.0A Output Current

. Low RDS(ON) for internal switches: 90mΩ/45mΩ(top/bottom)

. 4.5V to 18V Input Voltage Range

. 0.6V Reference

. Current mode COT control to achieve fast transient responses

. Integrated internal compensation

. Stable with Low ESR Ceramic Output Capacitors

. Over Current Protection with Hiccup Mode

. Thermal Shutdown

. Inrush Current Limit and Soft Start

. Available in SOT563 Package

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The STI3452HF2 is a high efficiency 1MHz current mode constant on-time (CM-COT) control mode synchronous step-down DC-DC converter capable of delivering 2A current with force PWM operation. STI3452HF2 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 size are achieved with 1MHz switching frequency. It adopts the CM-COT architecture to achieve fast transient responses for high voltage step down applications.

The STI3452HF2 requires a minimum number of readily available standard external components and is available in a space saving 6-pin SOT563 ROHS compliant package.

. Digital Set Top Boxes

. Flat Panel Television and Monitors

. Notebook computer

. Wireless and DSL Modems

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2020-09-14 15:00:35
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