參數(shù)資料
型號： UPC1933GR
廠商： NEC Corp.
元件分類： DC/DC變換器
英文描述： DC-DC CONVERTER CONTROL IC
中文描述： 的DC - DC轉(zhuǎn)換器控制IC
文件頁數(shù)： 4/20頁
文件大小： 119K
代理商： UPC1933GR
Data Sheet G13690EJ3V0DS00
4
μ
PC1933
CONTENTS
1.
ELECTRICAL SPECIFICATIONS................................................................................................................5
2.
CONFIGURATION AND OPERATION OF EACH BLOCK....................................................................11
2.1
Reference Voltage Generator ...........................................................................................................................11
2.2
Oscillator ...........................................................................................................................................................11
2.3
Under Voltage Lock-out Circuit........................................................................................................................11
2.4
Error Amplifier...................................................................................................................................................11
2.5
PWM Comparator..............................................................................................................................................12
2.6
Timer Latch-Method Short Circuit Protection Circuit ....................................................................................12
2.7
Output Circuit....................................................................................................................................................12
3.
NOTES ON USE........................................................................................................................................13
3.1
Setting the Output Voltage ...............................................................................................................................13
3.2
Setting the Oscillation Frequency...................................................................................................................13
3.3
Preventing Malfunction of the Timer Latch-Method Short Circuit Protection Circuit..................................13
3.4
ON/OFF Control.................................................................................................................................................14
3.5
Maximum Duty Limit.........................................................................................................................................15
3.6
Notes on Actual Pattern Wiring........................................................................................................................15
4.
APPLICATION EXAMPLE.........................................................................................................................16
4.1
Application Example.........................................................................................................................................16
4.2
List of External Parts........................................................................................................................................16
5.
PACKAGE DRAWING................................................................................................................................17
6.
RECOMMENDED SOLDERING CONDITIONS .......................................................................................18
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參數(shù)描述
UPC1933GR-A 制造商:Renesas Electronics Corporation 功能描述:
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