SG2731 Microsemi Corporation, SG2731 Datasheet - Page 2

• Manufacturer Part Number: SG2731
• Description: Dc Motor Pulse Width Modulator
• Manufacturer: Microsemi Corporation

4/90 Rev 1.3 9/99
Copyright
Supply Voltage (±V
Analog Inputs ....................................................................... V
Digital Inputs (SHUTDOWN) .................... -V
Output Driver Supply Voltage ( V
Source/Sink Output Current (continuous) .................... 200mA
Source/Sink Output Current (peak, 500ns) .................. 400mA
Note 1. Values beyond which damage may occur.
THERMAL DATA
J Package:
N Package:
RECOMMENDED OPERATING CONDITIONS
Supply Voltage Range (±V
Error Amp Common-Mode Range ............... -V
Output Driver Supply Voltage Range .................. 2.5V to 22V
Source/Sink Output Current (continuous) .................... 100mA
Source/Sink Output Current (peak, 500ns) .................. 200mA
Output Driver Diode Current (continuous) .................... 100mA
Output Driver Diode Current (peak, 500ns) .................. 200mA
Note 2. Range over which the device is functional and parameter limits are guaranteed.
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, these specfiications apply over the operating ambient temperatures for SG1731 with -55 C
-25 C T
and case temperatures equal to the ambient temperature.)
ABSOLUTE MAXIMUM RATINGS
Oscillator Section
C
2V
Initial Oscillator Frequency
Temperature Stability
Error Amplifier Section
Input Offset Voltage
Input Bias Current
Input Offset Current
Open Loop Voltage Gain
Output Voltage Swing
Common-Mode Rejection Ratio
Slew Rate
Unity Gain Bandwidth
PWM Comparators
Input Bias Current
Thermal Resistance-Junction to Case,
Thermal Resistance-Junction to Ambient,
Thermal Resistance-Junction to Case,
Thermal Resistance-Junction to Ambient,
T
Charging Current
1999
Input Bias Current
A
85 C, SG3731 with 0 C T
(Notes 3 and 4)
S
) ........................................................ 18V
Parameter
(Note 3)
(Notes 3 and 4)
S
(Note 5)
) ............................... 3.5V to 15V
O
A
) ................................. 25V
70 C, V
(Note1)
JC
JC
S
S
.............. 30°C/W
.............. 40°C/W
= 15V, and V
-0.3V to -V
JA
JA
S
+ 3V to V
.......... 80°C/W
......... 65°C/W
(Note 2)
T
T
V
C
C
R
R
T
T
A
A
A
A
V
CM
T
T
L
L
T
= 25 C
= T
= 25 C
= 25 C
= 1000pF, 2V
= 1000pF, 2V
= 2K
= 2K
S
= 5V
= 3V
S
+18V
O
= 22V. Low duty cycle pulse testing techniques are used which maintains junction
- 3V
MIN
to T
S
2
MAX
Note A.
Note B. The above numbers for
Output Driver Diode Current (continuous) .................... 200mA
Output Driver Diode Current (peak, 500ns) .................. 400mA
Operating Junction Temperature
Storage Temperature Range ............................ -65°C to 150 C
Lead Temperature (Soldering, 10 Seconds) .................. 300 C
Oscillator Frequency Range ........................... 10Hz to 350KHz
Oscillator Voltage (Peak-to-Peak) ............................. 1V to 10V
Oscillator Timing Capacitor (C
Operating Ambient Temperature Range
Test Conditions
Hermetic (J - Package) ............................................... 150 C
Plastic (N - Package) .................................................. 150 C
SG1731 ........................................................ -55 C to 125 C
SG2731 ........................................................... -25 C to 85 C
SG3731 .............................................................. 0 C to 70 C
= 5V,T
= 5V
resistance of the package in a standard mounting configuration.
The
performance of the device/pc-board system. All of the above
assume no ambient airflow.
Junction Temperature Calculation: T
JA
A
= 25 C
numbers are meant to be guidelines for the thermal
SG1731/SG2731/SG3731
11861
JC
T
are maximums for the limiting thermal
) ....................... 200pF to 2.5 F
Western
SG1731/2731/3731
Min. Typ. Max.
22.5
±10
450
400
0.7
70
70
L
5
[phone]
INFINITY
Avenue
T
J
25.0
A
= T
500
10
1
A
125 C, SG2731 with
+ (P
Garden
27.5
550
600
600
-20
10
10
D
Microelectronics
3
6
x
FAX: [phone]
Grove,
JA
).
Units
V/ s
MHz
KHz
mV
nA
dB
dB
%
V
CA
A
A
A
A
A
92841
Inc.