参数资料
型号: SG1845L
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, CQCC20
封装: HERMETIC SEALED, CERAMIC, LCC-20
文件页数: 9/12页
文件大小: 216K
代理商: SG1845L
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
9
Copyright 2000
Rev. 1.4 4/00
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 10.
— CURRENT SENSE THRESHOLD vs.
ERROR AMPLIFIER OUTPUT
FIGURE 11.
— OUTPUT SATURATION VOLTAGE vs.
OUTPUT CURRENT & TEMPERATURE
FIGURE 9.
— OUTPUT SATURATION VOLTAGE vs.
OUTPUT CURRENT & TEMPERATURE
Error Amp Output Voltage - (V)
C
0.2
1.0
2.0
3.0
4.0
5.0
0.4
0.6
0.8
1.0
0
0.1
0.3
0.5
0.7
0.9
15C
-5C
Output Current - (mA)
S
0.5
100
200
300
400
500
1.0
1.5
2.0
2.5
0
-55
°
C
+25
°
C
+125
°
C
V
= 15V
Duty Cycle < 5%
Output Current - (mA)
S
1.0
100
200
300
400
500
2.0
3.0
4.0
0
V
= 15V
Duty Cycle < 5%
-55
°
C
+25
°
C
+125
°
C
+125
°
C
+25
°
C
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