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参数资料
| 型号： | SG1845Y |
| 厂商： | MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP |
| 元件分类： | 稳压器 |
| 英文描述： | CURRENT MODE PWM CONTROLLER |
| 中文描述： | 1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, CDIP8 |
| 封装： | HERMETIC SEALED, CERAMIC, DIP-8 |
| 文件页数： | 10/12页 |
| 文件大小： | 216K |
| 代理商： | SG1845Y |
C
U R R E N T
-M
O D E
PWM C
O N T R O L L E R
SG1844/SG1845 Series
P R O D U C T D A T A B O O K 1 9 9 6 / 1 9 9 7
Copyright 2000
Rev. 1.4 4/00
10
P
R O D U C T I O N
D
A T A
S
H E E T
A P P L I C AT I O N I N F O R M AT I O N
OSCILLATOR
The oscillator of the 1844/45 family of PWM's is programmed by
the external timing components (RT, CT) as shown in Figure 13.
FIGURE 12
— OSCILLATOR TIMING CIRCUIT
V
REF
R
T
/C
T
GND
R
T
C
T
FIGURE 13
— OSCILLATOR FREQUENCY vs. R
T
FOR VARIOUS C
T
100K
1K
100
10K
R
T
Oscillator Frequency - (Hz)
100K
1K
10K
1M
10F
47n
22F
10F
47F
22F
1F
F
≈
where R
T
≥
5k
1.86
R
T
C
T
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| SG1844 | CURRENT MODE PWM CONTROLLER |
| SG1844J | CURRENT MODE PWM CONTROLLER |
| SG1844L | CURRENT MODE PWM CONTROLLER |
| SG1844Y | CURRENT MODE PWM CONTROLLER |
| SG1845 | CURRENT MODE PWM CONTROLLER |
相关代理商/技术参数 |
参数描述 |
|---|---|
| SG1845Y/883B | 制造商:MICROSEMI 制造商全称:Microsemi Corporation 功能描述:CURRENT MODE PWM CONTROLLER |
| SG1845Y/DESC | 制造商:MICROSEMI 制造商全称:Microsemi Corporation 功能描述:CURRENT MODE PWM CONTROLLER |
| SG1845Y-883B | 制造商:Microsemi Corporation 功能描述:Current Mode PWM Controller 200mA 8-Pin CDIP 制造商:Microsemi Corporation 功能描述:8.4V CONTROL IC PWM DIP PKG - Rail/Tube 制造商:Microsemi Corporation 功能描述:IC REG CTRLR FLYBK ISO PWM 8CDIP |
| SG1845Y-DESC | 制造商:Microsemi Corporation 功能描述:CURRENT MODE PWM CNTRLR 200MA 8CDIP - Rail/Tube 制造商:Microsemi Corporation 功能描述:IC REG CTRLR FLYBK ISO PWM 8CDIP |
| SG1846 | 制造商:MICROSEMI 制造商全称:Microsemi Corporation 功能描述:CURRENT MODE PWM CONTROLLER |
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