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參數資料
| 型號： | LM2853MHX-3.3 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩壓器 |
| 英文描述： | 3A 550 kHz Synchronous SIMPLE SWITCHER Buck Regulator |
| 中文描述： | 5 A SWITCHING REGULATOR, 725 kHz SWITCHING FREQ-MAX, PDSO14 |
| 封裝： | TSSOP-14 |
| 文件頁數： | 1/12頁 |
| 文件大小： | 620K |
| 代理商： | LM2853MHX-3.3 |
LM2853
3A 550 kHz Synchronous SIMPLE SWITCHER
Buck
Regulator
General Description
The LM2853 synchronous SIMPLE SWITCHER
buck regu-
lator is a 550 kHz step-down switching voltage regulator
capable of driving up to a 3Aload with excellent line and load
regulation. The LM2853 accepts an input voltage between
3.0V and 5.5V and delivers a customizable output voltage
that is factory programmable from 0.8V to 3.3V in 100mV
increments. Internal type-three compensation enables a low
component count solution and greatly simplifies external
component selection. The exposed-pad TSSOP-14 package
enhances the thermal performance of the LM2853.
Features
n
Input voltage range of 3.0V to 5.5V
n
Factory EEPROM set output voltages from 0.8V to 3.3V
in 100 mV increments
n
Maximum load current of 3A
n
Voltage Mode Control
n
Internal type-three compensation
n
Switching frequency of 550 kHz
n
Low standby current of 12 μA
n
Internal 40 m
MOSFET switches
n
Standard voltage options
0.8/1.0/1.2/1.5/1.8/2.5/3.0/3.3 volts
n
Exposed pad TSSOP-14 package
Applications
n
Low voltage point of load regulation
n
Local solution for FPGA/DSP/ASIC core power
n
Broadband networking and communications
infrastructure
Typical Application Circuit
20201502
Efficiency vs Load Current (V
OUT
= 3.3V)
20201501
SIMPLE SWITCHER
is a Registered Trademark of National Semiconductor Corporation.
October 2006
L
B
2006 National Semiconductor Corporation
DS202015
www.national.com
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相關代理商/技術參數 |
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| LM2854-1000EVAL | 功能描述:電源管理IC開發工具 LM2854-1000 EVAL BOARD RoHS:否 制造商:Maxim Integrated 產品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| LM2854EVAL | 功能描述:電源管理IC開發工具 LM2854 EVAL BOARD RoHS:否 制造商:Maxim Integrated 產品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| LM2854MH-1000 | 功能描述:直流/直流開關轉換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| LM2854MH-1000/NOPB | 功能描述:直流/直流開關轉換器 4A 500KHZ/1MHZ SYNC BUCK REG RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| LM2854MH-1000/NOPB | 制造商:Texas Instruments 功能描述:DC/DC Converter IC |
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