SG1846 Microsemi Corporation, SG1846 Datasheet - Page 3

• Manufacturer Part Number: SG1846
• Description: CURRENT MODE PWM CONTROLLER
• Manufacturer: Microsemi Corporation

4/90 Rev 1.1 2/94
Copyright
ELECTRICAL CHARACTERISTICS
Oscillator Section
Initial Accuracy
Voltage Stability
Temperature Stability
Sync Output High Level
Sync Output Low Level
Sync Input High Level
Sync Input Low Level
Sync Input Current
Error Amp Section
Input Offset Voltage
Input Bias Current
Input Offset Current
Common Mode Range
Open Loop Voltage Gain
Unity Gain Bandwidth
CMRR
PSRR
Output Sink Current
Output Source Current
High Level Output Voltage
Low Level Output Voltage
Current Sense Amplifier Section
Amplifier Gain
Maximum Differential
Input Offset Voltage
CMRR
PSRR
Input Bias Current
Input Offset Current
Input Common Mode Range
Delay to Outputs
Current Limit Adjust Section
Current Limit Offset Voltage
Input Bias Current
Shutdown Terminal Section
Threshold Voltage
Input Voltage Range
Minimum Latching Current
Maximum Non-Latching Current
Delay to Outputs
Output Section
Collector Emitter Voltage
Collector Leakage Current
Output Low Level
Output High Level
Rise Time
Fall Time
Input Signal (V
(I
(I
PIN 1
PIN 1
1994
)
)
(Note 7)
(Note 8)
(Note 4)
(Note 4)
Parameter
(Notes 5 & 6)
PIN 4
(Note 4)
(Note 4)
(Note 5)
(Note 9)
- V
(Note 5)
(Note 5)
(Note 4)
(Note 4)
(Note 6)
PIN 3
)
(Note 5)
(Note 5)
T
V
Over Operating Range
Pin 8 = 0V
Pin 8 = 0V
Sync Voltage = 5.25V, Pin 8 = 0V
V
V
T
V
V
V
V
R
R
V
Pin 1 Open R
V
V
V
V
V
T
V
V
T
V
I
I
I
I
C
C
SINK
SINK
SOURCE
SOURCE
J
J
J
J
IN
IN
O
CM
IN
ID
ID
PIN 3
PIN 1
CM
IN
PIN 1
PIN 1
PIN 3
PIN 5
C
L
L
L
L
= 25°C
= 25°C
= 25 C
= 25°C
(continued)
= 15K
= 15K
= 40V
= 1nF, T
= 1nF, T
= 1.2V to 3V, V
= 8V to 40V
= 8V to 40V
= 8V to 40V
= - 15mV to -5V, V
= 15mV to 5V, V
= 8V to 40V
= 0V to 38V, V
= 1V to 12V
= 20mA
= 100mA
= 0.5V, Pin 7 Open
= 0.5V, Pin 7 Open
= 0V, Pin 1 Open
= 0.5V, Pin 7 Open
= 0, V
= V
= 20mA
= 100mA
REF
(Pin 7)
(Pin 7)
PIN 4
, V
J
J
= 25°C
= 25°C
L
Test Conditions
PIN 6
= 15K
= 0V, Pin 7 Open
= 0V
CM
IN
PIN 7
= 40V
= 2V
PIN 7
(Pin 7)
= 2.5V
= 1.2V
3
0.45
-0.4
Min. Typ. Max. Min. Typ. Max.
250
3.9
3.9
0.7
4.3
2.5
1.1
3.0
80
75
80
39
60
60
40
13
12
0
2
0
0
SG1846
SG2846
4.35
2.75
0.08
-0.6
-0.5
13.5
13.5
105
100
105
-2.5
200
350
300
2.3
1.2
0.5
1.0
4.6
0.7
-10
1.2
0.5
1.5
1.5
0.1
0.4
43
40
83
84
50
50
1
1
6
5
11861 Western Avenue
V
V
0.55
250
500
400
600
200
300
300
2.5
2.5
1.5
3.0
-10
-30
0.8
0.4
2.1
IN
V
47
25
-1
IN
2
5
1
1
-2V
IN
-3
L
0.45
INFINITY Microelectronics Inc.
[phone]
-0.4
250
3.9
3.9
0.7
4.3
2.5
1.1
3.0
39
80
75
80
60
60
40
13
12
0
2
0
0
SG3846
4.35
2.75
0.08
13.5
13.5
-0.6
-0.5
-2.5
200
105
100
105
350
300
2.3
1.2
0.5
1.0
4.6
0.7
1.2
0.5
-10
1.5
1.5
0.1
0.4
83
84
43
40
50
50
1
1
6
5
Garden Grove, CA 92841
V
V
0.55
250
500
400
600
200
300
300
-10
-30
SG1846
2.5
2.5
1.5
IN
3.0
0.8
0.4
2.1
V
47
10
25
FAX: [phone]
-2
IN
1
1
2
-2V
IN
-3
Units
MHz
KHz
mA
mV
mA
mA
mV
mV
mA
mA
µA
µA
nA
dB
dB
dB
dB
dB
µA
µA
µA
%
%
ns
ns
ns
ns
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V