SG3526B MICROSEMI [Microsemi Corporation], SG3526B Datasheet - Page 3

• Manufacturer Part Number: SG3526B
• Description: REGULATING PULSE WIDTH MODULATOR
• Manufacturer: MICROSEMI [Microsemi Corporation]

4/90 Rev 1.1 2/94
Copyright
ELECTRICAL CHARACTERISTICS
Note 3. I
Note 4. F
Note 5. V
Note 6. V
Oscillator Section
Initial Accuracy
Voltage Stability
Temperature Stability
Minimum Frequency
Maximum Frequency
Sawtooth Peak Voltage
Sawtooth Valley Voltage
SYNC Pulse Width
Error Amplifier Section
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
Minimum Duty Cycle
Maximum Duty Cycle
Digital Ports (SYNC, SHUTDOWN, and RESET)
HIGH Output Voltage
LOW Output Voltage
HIGH Input Current
LOW Input Current
SHUTDOWN Delay to Output
Current Limit Comparator Section
Sense Voltage
Input Bias Current
Delay to Output
Soft-Start Section
Error Clamp Voltage
C
Output Drivers (each output)
HIGH Output Voltage
LOW Output Voltage
Collector Leakage
Rise Time
Fall Time
Power Consumption Section
Standby Current
S
Charging Current
1994
L
OSC
CM
CM
= 0mA
= 0 to 5.2V
= 0 to 12V
= 40KHz (R
Parameter
(Note 9)
(Note 4)
(Note 9)
T
(Note 9)
= 4.12K
(Note 5)
(Note 4)
(Note 7)
(Note 8)
1%, C
T
V
Over Operating T
R
R
V
V
R
R
R
V
V
R
V
V
V
I
I
V
V
(Note 6)
R
RESET = 0.4V
RESET = 2.4V
I
I
I
I
V
C
C
SHUTDOWN = 0.4V
SOURCE
SINK
(Note9)
SOURCE
SOURCE
SINK
SINK
T
J
IN
IN
IN
PIN1
PIN2
IN
COMPENSATION
COMPENSATION
IH
IL
C
T
T
L
S
L
S
S
L
L
= .01 F 1%, R
= 25 C
= 150K , C
= 2K , C
= 2.0K to V
= 40V
= 1000pF
= 1000pF
= 0.4V
(continued)
= 8 to 35V
= 35V
= 8V
= 8V to 35V
= 2.4V
= 3.6mA
= 20mA
= 100mA
10M
2K
- V
- V
2K
50
= 40 A
= 20mA
= 100mA
PIN2
PIN1
T
= 0.4V
= 3.6V
150mV, I
150mV, I
= 470pF
Test Conditions
T
REF
= 20 F
D
J
= 0 )
SOURCE
SINK
= 100 A
3
= 100 A
Note 7. V
Note 8. V
Note 9. These parameters, although guaranteed over the recom-
mended operating conditions, are not tested in production.
C
IN
SG1526B/SG2526B/SG3526B
= 15V
= 35V
Min. Typ. Max. Min. Typ. Max.
12.5
SG1526B/2526B
500
2.5
0.5
2.4
3.6
64
70
66
45
90
50
12
-350
-125
-225
13.5
100
100
0.5
3.0
1.0
1.0
4.2
0.2
0.2
0.1
0.2
1.2
0.3
0.1
35
72
94
80
49
13
50
18
-3
7
2
4
3
11861 Western Avenue
-1000
-200
-360
0.15
100
200
110
400
0.4.
150
150
1.0
1.0
3.5
1.1
0.4
0.4
-10
0.3
0.4
10
30
2
5
0
2
8
L
12.5
INFINITY Microelectronics Inc.
[phone]
500
2.5
0.5
3.6
2.4
60
70
66
45
80
50
12
SG3526B
-350
-125
-225
13.5
100
100
0.5
3.0
1.0
1.0
4.2
0.2
0.2
0.1
0.2
1.2
0.3
0.1
35
72
94
80
49
13
50
18
-3
3
2
4
3
Garden Grove, CA 92841
-2000
-200
-360
0.15
200
200
120
400
0.4.
150
150
-10
1.0
1.0
3.5
1.1
0.4
0.4
0.3
0.4
10
30
FAX: [phone]
5
2
0
2
8
Units
KHz
mV
mV
mA
Hz
nA
nA
dB
dB
dB
ns
ns
%
%
%
%
%
V
V
V
V
V
V
V
V
V
V
V
A
A
A
A
A
s
s
s