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| 型號(hào)： | SG1526L |
| 廠商： | MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | REGULATING PULSE WIDTH MODULATOR |
| 中文描述： | 0.2 A SWITCHING CONTROLLER, 350 kHz SWITCHING FREQ-MAX, CQCC20 |
| 封裝： | HERMETIC SEALED, CERAMIC, LCC-20 |
| 文件頁(yè)數(shù)： | 3/9頁(yè) |
| 文件大?。?/td> | 182K |
| 代理商： | SG1526L |
4/90 Rev 1.1 2/94
Copyright
1994
L
IN
F
IN
ITY
Microelectronics Inc.
11861 Western Avenue
∞
∞
Garden Grove, CA 92841
(714) 898-8121
∞
FAX: (714) 893-2570
3
SG1526/SG2526/SG3526
I
SOURCE
= 20mA
I
SOURCE
= 100mA
I
SINK
I
SINK
= 100mA
V
C
= 40V
C
L
= 1000pF
C
L
= 1000pF
HIGH Output Voltage
LOW Output Voltage
Collector Leakage
Rise Time
Fall Time
Power Consumption Section
(Note 8)
Standby Current
12.5
12
13.5
13
0.2
1.2
50
0.3
0.1
RESET = 0.4V
RESET = 2.4V
Error Clamp Voltage
C
S
Charging Current
Output Drivers (each output)
(Note 7)
50
0.1
100
Minimum Duty Cycle
Maximum Duty Cycle
Digital Ports (SYNC, SHUTDOWN, and RESET)
HIGH Output Voltage
LOW Output Voltage
HIGH Input Current
LOW Input Current
V
COMPENSATION
= 0.4V
V
COMPENSATION
= 3.6V
45
49
0
R
S
≤
2K
R
L
≥
10M
,
T
= 25
°
C
V
PIN1
- V
PIN2
≥
150mV, I
SOURCE
= 100
μ
A
V
PIN2
- V
PIN1
≥
150mV, I
SINK
μ
A
R
S
≤
2K
V
IN
= 8V to 35V
mV
nA
nA
dB
V
V
dB
dB
10
-2000
200
0.4
Input Offset Voltage
Input Bias Current
Input Offset Current
DC Open Loop Gain
High Output Voltage
Low Output Voltage
Common Mode Rejection
Supply Voltage Rejection
PWM Comparator Section
(Note 4)
Current Limit Comparator Section
(Note 6)
Sense Voltage
Input Bias Current
Soft-Start Section
R
S
≤
50
,
T
J
= 25
°
C
mV
μ
A
90
100
-3
110
-10
I
SOURCE
= 40
μ
A
I
SINK
V
IH
= 2.4V
V
IL
= 0.4V
V
V
μ
A
μ
A
2.4
4
0.2
-125
-225
0.4
-300
-500
Oscillator Section
(Note 4)
Initial Accuracy
Voltage Stability
Temperature Stability
(Note 9)
Minimum Frequency
(Note 9)
Maximum Frequency
Sawtooth Peak Voltage
Sawtooth Valley Voltage
Error Amplifier Section
(Note 5)
T
J
= 25
°
C
V
= 8 to 35V
Over Operating T
R
T
= 150K
, C
= 20
μ
F
R
T
= 2K
, C
T
= 1.0nF
V
IN
= 35V
V
IN
= 8V
SG3526
Test Conditions
Parameter
Units
ELECTRICAL CHARACTERISTICS
(continued)
350
0.5
±
3
0.5
7
3.0
1.0
SG1526/2526
Min. Typ. Max. Min. Typ. Max.
±
8
1.0
10
1.0
3.5
350
0.5
±
3
0.5
5
3.0
1.0
±
8
1.0
10
1.0
3.5
%
%
%
Hz
KHz
V
V
64
3.6
70
66
2
-350
35
72
4.2
0.2
94
80
5
-1000
100
0.4
60
3.6
70
66
2
-350
35
72
4.2
0.2
94
80
45
49
0
%
%
2.4
4
0.2
-125
-225
0.4
-300
-500
80
100
-3
120
-10
0.4
200
50
0.1
100
0.4
200
V
μ
A
0.3
2
150
0.6
0.2
12.5
12
13.5
13
0.2
1.2
50
0.3
0.1
0.3
2
150
0.6
0.2
V
V
V
V
μ
A
μ
s
μ
s
SHUTDOWN = 0.4V
18
30
18
30
mA
Note 3. I
L
= 0mA
Note 4. F
OSC
= 40KHz (R
T
= 4.12K
±
1%, C
T
= .01
μ
F
±
1%, R
D
= 0
)
Note 5. V
CM
= 0 to 5.2V
Note 6. V
CM
= 0 to 12V
Note 7. V
C
= 15V
Note 8. V
= 35V
Note 9. These parameters, although guaranteed over the recom-
mended operating conditions, are not tested in production.
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