參數(shù)資料
型號(hào): SG3845DM
廠商: MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP
元件分類: 穩(wěn)壓器
英文描述: CURRENT MODE PWM CONTROLLER
中文描述: 1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO8
封裝: ROHS COMPLIANT, PLASTIC, SOIC-8
文件頁數(shù): 10/12頁
文件大小: 216K
代理商: SG3845DM
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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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SG3845J 制造商:Microsemi Corporation 功能描述:SG3845J - Bulk
SG3845M 功能描述:IC REG CTRLR ISO PWM CM 8-DIP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:500kHz 占空比:100% 電源電壓:8.2 V ~ 30 V 降壓:無 升壓:無 回掃:是 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:是 工作溫度:0°C ~ 70°C 封裝/外殼:8-DIP(0.300",7.62mm) 包裝:管件 產(chǎn)品目錄頁面:1316 (CN2011-ZH PDF)
SG3845N 制造商:Microsemi Corporation 功能描述:SG3845N - Bulk
SG3845Y 制造商:Microsemi Corporation 功能描述:CURRENT MODE PWM CNTRLR 200MA 8CDIP - Bulk
SG3846 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:CURRENT MODE PWM CONTROLLER