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參數(shù)資料
| 型號(hào)： | LM2852 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 2A 500/1500kHz SIMPLE SYNCHRONOUS Buck Regulator |
| 中文描述： | 甲500/1500kHz簡(jiǎn)單的同步降壓穩(wěn)壓器 |
| 文件頁(yè)數(shù)： | 2/13頁(yè) |
| 文件大?。?/td> | 618K |
| 代理商： | LM2852 |
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Connection Diagram
TOP VIEW
20127003
MXA14A
Pin Descriptions
AVIN (Pin 1):
Chip bias input pin. This provides power to the
logic of the chip. Connect to the input voltage or a separate
rail.
EN (Pin 2):
Enable. Connect this pin to ground to disable the
chip, connect to AVIN or leave floating to enable the chip;
enable is internally pulled up.
SGND (Pin 3):
Low-noise ground.
SS (Pin 4):
Soft-start pin. Connect this pin to a small capaci-
tor to control startup and soften inrush current. The soft-start
capacitance range is restricted to values 1 nF to 50 nF.
NC (Pins 5, 12 and 13):
No-connect. These pins must be
tied to ground or left floating in the application.
PVIN (Pins 6, 7):
Input supply pin. PVIN is connected to the
input voltage. This rail connects to the source of the internal
power PFET.
SW (Pins 8, 9):
Switch pin. Connect to the output inductor.
PGND (Pins 10, 11):
Power ground. Connect this to an
internal ground plane or other large ground plane.
SNS (Pin 14):
Output voltage sense pin. Connect this pin to
the output voltage as close to the load as possible.
Exposed Pad:
Connect to ground.
L
www.national.com
2
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PDF描述 |
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| LM2852XMXA-1.0 | 2A 500/1500kHz SIMPLE SYNCHRONOUS Buck Regulator |
| LM2852XMXA-1.2 | 2A 500/1500kHz SIMPLE SYNCHRONOUS Buck Regulator |
| LM2852XMXA-1.5 | 2A 500/1500kHz SIMPLE SYNCHRONOUS Buck Regulator |
| LM2852XMXA-1.8 | 2A 500/1500kHz SIMPLE SYNCHRONOUS Buck Regulator |
| LM2852XMXA-2.5 | 2A 500/1500kHz SIMPLE SYNCHRONOUS Buck Regulator |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM285-2.5 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Micropower Voltage Reference |
| LM285-2.5/185-2.5/385-2.5 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Micropower Voltage Reference Diode |
| LM285-2.5-N | 制造商:TI 制造商全稱:Texas Instruments 功能描述:LM185-2.5-N/LM285-2.5-N/LM385-2.5-N Micropower Voltage Reference Diode |
| LM285-2.5V | 制造商:TELCOM 制造商全稱:TelCom Semiconductor, Inc 功能描述:LOW POWER, BANDGAP VOLTAGE REFERENCES |
| LM2852_06 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:2A 500/1500kHz Synchronous SIMPLE SWITCHER㈢ Buck Regulator |
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