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參數(shù)資料
| 型號(hào)： | AMS4154 |
| 廠商： | Advanced Monolithic Systems, Inc. |
| 英文描述： | 2A OUTPUT PWM BUCK CONVERTER |
| 中文描述： | 甲變換器輸出 |
| 文件頁(yè)數(shù)： | 2/5頁(yè) |
| 文件大?。?/td> | 285K |
| 代理商： | AMS4154 |
Advanced Monolithic Systems, Inc.
www.advanced-monolithic.com Phone (925) 443-0722 Fax (925) 443-0723
AMS4154
PIN DESCRIPTION
AMS4154
PIN
NUMBERS
NAME
DESCRIPTION
1
BST
Bootstrap. A capacitor is needed to drive the power switch’s drive above the supply
voltage. It is connected between LX and BST pins to form a floating supply across the
power switch driver.
2
VIN
Supply Voltage. The AMS4154 operates from a+5.5V to +32V unregulated input. C1 is
needed to prevent large voltage spikes from appearing at the input.
3
LX
Switch. This connects the inductor to VIN through the internal power switch.
4
GND
Ground. This pin is the ground for voltage reference and for the regulated output voltage.
For this reason care must be taken in its layout.
5
FB
Feedback. An external resistor divider from the output to GND, tapped to the FB pin sets
the output voltage.
6
COMP
Compensation. This node is the output of the transconductance error amplifier and the
input to the current comparator. Frequency compensation is done at this node by
connecting a series R-C to ground.
7
EN
Enable. A voltage greater than 2.5V enables operation. For complete low current shutdown
the EN pin voltage needs to be less than 2.3V.
8
REF
5V reference voltage capable of supplying 1mA for other external circuits.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AMS4154S | 2A OUTPUT PWM BUCK CONVERTER |
| AMS4155 | 2A OUTPUT PWM BUCK CONVERTER |
| AMS4155S | 2A OUTPUT PWM BUCK CONVERTER |
| AMS421_07 | 0.5V SHUNT REGULATOR |
| AMS421 | 0.5V SHUNT REGULATOR |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AMS4154S | 制造商:ADMOS 制造商全稱:ADMOS 功能描述:2A OUTPUT PWM BUCK CONVERTER |
| AMS4155 | 制造商:ADMOS 制造商全稱:ADMOS 功能描述:2A OUTPUT PWM BUCK CONVERTER |
| AMS4155S | 制造商:ADMOS 制造商全稱:ADMOS 功能描述:2A OUTPUT PWM BUCK CONVERTER |
| AMS421 | 制造商:ADMOS 制造商全稱:ADMOS 功能描述:0.5V SHUNT REGULATOR |
| AMS421_07 | 制造商:ADMOS 制造商全稱:ADMOS 功能描述:0.5V SHUNT REGULATOR |
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