SG1524 Microsemi Corporation, SG1524 Datasheet - Page 3

• Manufacturer Part Number: SG1524
• Description: Regulating Pulse Width Modulator
• Manufacturer: Microsemi Corporation

4/90 Rev 1.1 2/94
Copyright
ELECTRICAL CHARACTERISTICS
Note 4. F
Note 5. V
Note 6. V
Note 7. These parameters, although guaranteed over the recommended operating conditions, are not 100% tested in production.
Oscillator Section
Initial Accuracy
Voltage Stability
Maximum Frequency
Sawtooth Peak Voltage
Sawtooth Valley Voltage
Clock Amplitude
Clock Pulse Width
Error Amplifier Section
Input Offset Voltage
Input Bias Current
Input Offset Current
DC Open Loop Gain
Output Low Level
Output High Level
Common Mode Rejection
Supply Voltage Rejection
Gain-Bandwidth Product
P.W.M. Comparator
Minimum Duty Cycle
Maximum Duty Cycle
Current Limit Amplifier Section
Sense Voltage
Input Bias Current
Shutdown Section
Threshold Voltage
Output Section
Collector Leakage Current
Collector Saturation Voltage
Emitter Output Voltage
Collector Voltage Rise Time
Collector Voltage Fall Time
Power Consumption
Standby Current
1994
OSC
CM
CM
= 2.5V
= 0V
= 40KHz (R
Parameter
(each transistor)
(Note 4)
(Note 4)
T
= 2.9K , C
(Note 5)
(Note 7)
T
(Note 6)
= .01 F)
T
MIN
V
R
V
V
R
R
V
V
V
V
T
V
V
T
T
MIN
V
I
I
R
R
V
C
E
J
J
J
J
IN
IN
IN
PIN 1
PIN 2
CM
IN
COMP
COMP
CE
IN
T
S
L
C
C
= 50mA
= 50mA
= 25 C
= 25 C
= 25 C
= 25 C
= 2K , C
= 2K
= 2K
(continued)
= 8V to 40V
= 40V
= 8V
= 8V to 40V
= 40V
= 40V
10M
= 1.8V to 3.4V
2K
- V
- V
= 0.5V
= 3.6V
T
T
J
J
PIN 2
PIN 1
MAX
MAX
T
T
J
150mV
= 1nF
150mV
= 25 C
Test Conditions
3
SG1524/SG2524/SG3524
Min. Typ. Max. Min. Typ. Max.
200
190
0.6
3.2
0.3
3.8
0.5
0.2
36
34
72
70
55
45
17
SG1524/2524
3
1
400
200
0.1
0.5
0.2
4.2
0.8
40
49
1
1
2
7
11861 Western Avenue
210
200
3.8
1.2
1.5
0.5
1.2
1.8
0.4
0.2
44
46
10
50
10
1
5
1
0
2
L
INFINITY Microelectronics Inc.
[phone]
200
180
0.6
3.2
0.3
3.8
0.5
0.2
36
34
60
45
17
3
1
SG3524
400
200
0.1
0.2
4.2
0.8
40
49
1
2
1
2
7
Garden Grove, CA 92841
220
200
3.8
1.2
1.5
0.5
1.2
1.8
0.4
0.2
44
46
10
10
50
10
FAX: [phone]
1
2
0
2
Units
MHz
KHz
KHz
KHz
mV
mV
mA
dB
dB
dB
%
%
%
V
V
V
V
V
V
V
V
V
A
A
A
A
s
s
s