Datasheet 搜索 > 稳压芯片 > Microsemi（美高森美） > SG1525AJ 数据手册 > SG1525AJ 数据手册 5/13 页
器件3D模型￥ 120.046
SG1525AJ 数据手册 - Microsemi（美高森美）
制造商:
Microsemi（美高森美）
分类:
稳压芯片
封装:
CDIP-16
描述:
调整脉冲宽度调制器 REGULATING PULSE WIDTH MODULATOR
Pictures:
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SG1525AJ数据手册
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Electrical Characteristics (continued)
5
Electrical Characteristics (continued)
Parameter
Test Conditions
SG1525A/2525A
SG1527A/2527A
SG3525A/SG3527A
Units
Min
Typ
Max
Min
Typ
Max
Oscillator Section
2
Initial Accuracy
T
J
= 25C
37.6
40
42.4
37.6
40
42.4
kHz
Voltage Stability
V
IN
= 8V to 35V
±0.3
±1
±1
±2
%
Temperature Stability
1
MIN ≤ T
J
≤ MAX
±3
±6
±3
±6
%
Minimum Frequency
1
R
T
= 150kΩ, C
T
= 0.1μF
150
150
Hz
Maximum Frequency
1
RT = 2 kΩ, CT = 1nF
350
350
kHz
Current Mirror
I
RT
= 2mA
1.7
2.0
2.2
1.7
2.0
2.2
mA
Clock Amplitude
3.0
3.5
3.0
3.5
V
Clock Width
T
J
= 25C
0.3
0.5
1.0
0.3
0.5
1.0
µs
Sync Threshold
1.2
2.0
2.8
1.2
2.0
2.8
V
Sync Input Current
Sync Voltage = 3.5V
1.0
2.5
1.0
2.5
mA
Error Amplifier Section (V
CM
= 5.1V)
Input Offset Voltage
0.5
5
2
10
mV
Input Bias Current
1
10
1
10
µA
Input Offset Current
1
1
µA
DC Open Loop Gain
R
L
≥ 10MΩ, TJ = 25C
60
75
60
75
dB
Output Low Level
0.2
0.5
0.2
0.5
V
Output High Level
3.8
5.6
3.8
5.6
V
Common Mode Rejection
V
CM
= 1.5V to 5.2 V
60
75
60
75
dB
Supply Voltage Rejection
V
IN
= 8V to 35V
50
60
50
60
dB
PWM Comparator Section
2
Minimum Duty Cycle
V
COMP
= 0.6V
0
0
%
Maximum Duty Cycle
V
COMP
= 3.6V
45
49
45
49
%
Input Threshold
2
Zero Duty Cycle
0.6
0.9
0.6
0.9
V
Maximum Duty Cycle
3.3
3.6
3.3
3.6
V
Input Bias Current
0.05
2.0
0.05
2.0
µA
Soft-Start Section
Soft Start Current
V
SHUTDOWN
= 0V
25
50
80
25
50
80
µA
Soft Start Voltage
V
SHUTDOWN
= 2V
0.4
0.6
0.4
0.6
V
Shutdown Input Current
V
SHUTDOWN
= 2.5V
0.4
1.0
0.4
1.0
mA
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