參數資料
型號: SG3844DM
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: 8/12頁
文件大小: 216K
代理商: SG3844DM
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
8
P
R O D U C T I O N
D
A T A
S
H E E T
C H A R A C T E R I S T I C C U RV E S
FIGURE 6.
— START-UP VOLTAGE THRESHOLD vs.
TEMPERATURE
FIGURE 7.
— START-UP VOLTAGE THRESHOLD vs.
TEMPERATURE
FIGURE 8.
— OSCILLATOR DISCHARGE CURRENT vs.
TEMPERATURE
FIGURE 5.
— REFERENCE VOLTAGE vs. TEMPERATURE
Junction Temperature - (
°
C)
R
8.18
-75
-50
-25
0
25
50
75
100
125
SG1845
8.22
8.26
8.30
8.32
8.20
8.24
8.28
Junction Temperature - (
°
C)
R
4.98
-75
-50
-25
0
25
50
75
100
125
V
CC
= 15V
4.99
5.00
5.01
5.02
Junction Temperature - (
°
C)
S
16.00
-75
-50
-25
0
25
50
75
100
125
SG1844
16.02
16.04
16.06
16.08
15.98
Junction Temperature - (
°
C)
O
7.4
-75
-50
-25
0
25
50
75
100
125
7.6
7.8
8.0
8.2
7.2
相關PDF資料
PDF描述
SG3844J CURRENT MODE PWM CONTROLLER
SG3844M CURRENT MODE PWM CONTROLLER
SG3844N CURRENT MODE PWM CONTROLLER
SG3844Y CURRENT MODE PWM CONTROLLER
SG3845D CURRENT MODE PWM CONTROLLER
相關代理商/技術參數
參數描述
SG3844J 制造商:Microsemi Corporation 功能描述:SG3844J - Bulk
SG3844M 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:- 特色產品:LM3753/54 Scalable 2-Phase Synchronous Buck Controllers 標準包裝:1 系列:PowerWise® PWM 型:電壓模式 輸出數:1 頻率 - 最大:1MHz 占空比:81% 電源電壓:4.5 V ~ 18 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-5°C ~ 125°C 封裝/外殼:32-WFQFN 裸露焊盤 包裝:Digi-Reel® 產品目錄頁面:1303 (CN2011-ZH PDF) 其它名稱:LM3754SQDKR
SG3844N 制造商:Microsemi Corporation 功能描述:SG3844N - Bulk
SG3844Y 制造商:Microsemi Corporation 功能描述:CURRENT MODE PWM CNTRLR 200MA 8CDIP - Bulk
SG3845D 制造商:Microsemi Corporation 功能描述:CURRENT MODE PWM CNTRLR 200MA 14SOIC - Bulk