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LM3224 Datasheet(数据表) 2 Page - Texas Instruments

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部件型号  LM3224
说明  615kHz/1.25MHz Step-up PWM DC/DC Converter
下载  26 Pages
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
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 2 page
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VC
1
FB
2
SHDN
3
GND
4
SS
8
FSLCT
7
SW
5
VIN
6
LM3224
SNVS277B – DECEMBER 2004 – REVISED SEPTEMBER 2005
www.ti.com
Connection Diagram
Top View
Figure 1. 8-Lead Plastic MSOP
NS Package Number MUA08A
Pin Functions
Pin Descriptions
Pin
Name
Function
1
VC
Compensation network connection. Connected to the output of the voltage error amplifier.
2
FB
Output voltage feedback input.
3
SHDN
Shutdown control input, active low. This pin has an internal pulldown resistor so the default condition
is off. The pin must be pulled high to turn on the device.
4
GND
Analog and power ground.
5
SW
Power switch input. Switch connected between SW pin and GND pin.
6
VIN
Analog power input.
7
FSLCT
Switching frequency select input. VIN = 1.25MHz. Ground = 615kHz.
8
SS
Soft-start Pin.
2
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Copyright © 2004–2005, Texas Instruments Incorporated
Product Folder Links: LM3224




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