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參數(shù)資料
| 型號(hào)： | SG1825 |
| 廠商： | Microsemi Corporation |
| 英文描述： | HIGH - SPEED CURRENT - MODE PWM |
| 中文描述： | 高-高速電流-模式PWM |
| 文件頁數(shù)： | 3/7頁 |
| 文件大小： | 184K |
| 代理商： | SG1825 |
H
I G H
- S
P E E D
C
U R R E N T
-M
O D E
PWM
N
O T
R
E C O M M E N D E D
F O R
N
E W
D
E S I G N S
SG1825C/SG2825C/SG3825C
P R O D U C T D A T A B O O K 1 9 9 6 / 1 9 9 7
3
Copyright 1994
Rev. 1.3 6/96
Supply Voltage Range
Voltage Amp Common Mode Range
Ramp Input Voltage Range
Current Limit / Shutdown Voltage Range
Source / Sink Output Current
Continuous
Pulse, 500ns
Voltage Reference Output Current
Oscillator Frequency Range
Oscillator Charging Current
Oscillator Timing Resistor
Oscillator Timing Capacitor
Operating Ambient Temperature Range:
SG1825C
SG2825C
SG3825C
R
T
C
T
T
A
T
A
T
A
R E C O M M E N D E D O P E R AT I N G C O N D I T I O N S
(Note 2)
Parameter
Symbol
Units
Recommended Operating Conditions
Min.
Typ.
Max.
10
1.5
0
0
30
5.5
5.0
4.0
V
V
V
V
200
1.0
mA
A
mA
kHz
mA
k
nF
1
4
10
1500
3
100
10
0.030
1
0.470
0
70
85
125
°C
°C
°C
-25
-55
Note 2. Range over which the device is functional.
E L E C T R I C A L C H A R A C T E R I S T I C S
(Note 3)
(Unless otherwise specified, these specifications apply over the operating ambient temperatures for SG3825C with 0°C
≤
T
≤
70°C, SG2825C with
-25°C
≤
T
≤
85°C, SG1825C with -55°C
≤
T
≤
125°C, and V
IN
=V
C
=15V. Low duty cycle pulse testing techniques are used which maintains junction
and case temperatures equal to the ambient temperature.)
Reference Section
Output Voltage
Line Regulation
Load Regulation
Temperature Stability (Note 3)
Total Output Range (Note 3)
Output Noise Voltage (Note 3)
Long Term Stability (Notes 3 &4)
Short Circuit Current
Oscillator Section
(Note 5)
Initial Accuracy
Voltage Stability
Temperature Stability (Note 3)
Total Frequency Limits (Note 3)
Minimum Frequency
Maximum Frequency
Clock High Level
Clock Low Level
Ramp Peak Voltage
Ramp Valley Voltage
Valley-to-Peak Amplitude
Note 3.This parameter is guaranteed by design and process control, but is not 100% tested in production.
Note 4.This parameter is non-accumulative, and represents the random fluctuation of the reference voltage within some error band when observed
over any 1000 hour period of time.
Parameter
Symbol
Test Conditions
T
J
= 25°C, I
L
= 1mA
V
IN
= 10 to 30V
I
L
= 1 to 10mA
Over Operating Temperature
Over Line, Load, and Temperature
f = 10Hz to 10kHz, I
L
= 0mA
T
J
= 125°C, t = 1000hrs
V
REF
= 0V
T
J
= 25°C, C
CLK
≤
10pF
V
IN
= 10 to 30V
Over Rated Operating Temperature
Over Line and Temperature
R
T
= 100K
, C
T
= 0.01μF
R
T
= 1K
, C
T
= 470pF
I
CLK
= -1mA
I
CLK
= -1mA
SG3825C
Units
Min. Typ. Max. Min. Typ. Max.
SG1825C/2825C
5.05 5.10 5.15 5.05 5.10 5.15
2
15
5
15
0.2
0.4
5.00
5.20 5.00
50
200
5
25
-15
-50
-100
V
2
5
15
15
0.4
5.20
mV
mV
mV/°C
V
μV
RMS
mV
mA
0.2
50
5
-50
25
-100
-15
370
400
0.2
5
430
2
8
450
4
370
400
0.2
5
430
2
8
450
4
kHz
%
%
kHz
kHz
MHz
V
V
V
V
V
350
350
1.5
3.9
1.5
3.9
4.5
2.3
2.8
1.0
1.8
4.5
2.3
2.8
1.0
1.8
2.9
3.0
1.25
2.0
2.9
3.0
1.25
2.0
2.6
0.7
1.6
2.6
0.7
1.6
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