參數(shù)資料
型號: AS3845D8T
廠商: Electronic Theatre Controls, Inc.
英文描述: Current Mode Controller
中文描述: 電流模式控制器
文件頁數(shù): 9/20頁
文件大小: 155K
代理商: AS3845D8T
9
ASTEC Semiconductor
AS384x
Current Mode Controller
Typical Performance Curves
Figure 10
Figure 12
Figure 11
Figure 13
0
1
2
3
4
5
6
1.2
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
V
S
Current Sense Input Threshold vs Error Amp Output Voltage
T
A
= 125
°
C
T
A
= 25
°
C
T
A
= –55
°
C
V
COMP
– Error Amp Output Voltage (V)
–60
–30
0
T
A
– Ambient Temperature (
°
C)
30
60
90
120
15
2.46
2.47
2.48
2.49
2.50
2.51
V
FB
= V
V
CC
= 15 V
V
F
Error Amp Input Voltage vs Ambient Temperature
0
0.5
1.0
1.5
2.0
2.5
1 A
100
10
1
I
O
Output Sink Capability in Under-Voltage Mode
V
OUT
– Output Voltage (V)
V
CC
= 6 V
T
A
= 25
°
C
10
100
I
OUT
– Output Saturation Current (mA)
500
0
1
2
3
–2
–1
0
Output Saturation Voltage
V
S
Source Saturation
V
OUT
– V
CC
T
J
= 125
°
C
Sink Saturation
T
J
= 125
°
C
T
J
= –55
°
C
T
J
= 25
°
C
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