参数资料
型号: SG3845Y
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: 8/12页
文件大小: 216K
代理商: SG3845Y
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
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