SG3526DW Microsemi Analog Mixed Signal Group, SG3526DW Datasheet - Page 2

• Manufacturer Part Number: SG3526DW
• Description: IC PWM POWER SUPPLY SW 18SOIC
• Manufacturer: Microsemi Analog Mixed Signal Group

Specifications of SG3526DW

• Pwm Type: Voltage Mode
• Number Of Outputs: 2
• Frequency - Max: 350kHz
• Duty Cycle: 49%
• Voltage - Supply: 8 V ~ 35 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 18-SOIC
• Frequency-max: 350kHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Rev 1.1a
Copyright
ABSOLUTE MAXIMUM RATINGS
Input Voltage (V
Collector Supply Voltage (V
Logic Inputs .........................................................
Analog Inputs ..........................................................
Source/Sink Load Current (each output) .......................
Reference Load Current ..................................................
Note 1. Exceeding these ratings could cause damage to the device.
J Package:
N Package:
DW Package:
L Package:
RECOMMENDED OPERATING CONDITIONS
Input Voltage .............................................................
Collector Supply Voltage ........................................
Sink/Source Load Current (each output) ................
Reference Load Current ...........................................
Oscillator Frequency Range ..............................
Oscillator Timing Resistor ..................................
Note 2. Range over which the device is functional.
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, these specifications apply over the operating ambient temperatures for SG1526 with -55 C T
-25 C T
temperatures equal to the ambient temperature.)
THERMAL DATA
Reference Section
Output Voltage
Line Regulation
Load Regulation
Temperature Stability
Total Output Voltage Range
Short Circuit Current
Undervoltage Lockout Section
RESET Output Voltage
RESET Output Voltage
Thermal Resistance-
Thermal Resistance-
Thermal Resistance-
Thermal Resistance-
Thermal Resistance-
Thermal Resistance-
Thermal Resistance-
Thermal Resistance-
1994
A
85 C, SG3526 with 0 C T
Parameter
IN
) ...............................................................
(Note 3)
Junction to Case
Junction to Ambient
Junction to Case
Junction to Ambient
Junction to Case
Junction to Ambient
Junction to Case
Junction to Ambient
(Note 9)
C
) .............................................
(Note 9)
A
70 C, and V
,
,
,
,
T
V
I
Over Operating T
Over Recommended Operating Conditions
V
V
V
L
(Note 1)
J
IN
REF
REF
REF
= 0 to 20mA
JC
JC
JC
JC
,
,
,
,
= 25 C
= 8 to 35V
.................. 25°C/W
.................. 30°C/W
.................. 35°C/W
................... 35°C/W
= 0V
= 3.8V
= 4.8V
JA
JA
JA
JA
.............. 70°C/W
............. 60°C/W
............. 90°C/W
........... 120°C/W
1Hz to 350KHz
2K to 150K
IN
-0.3V to 5.5V
= 15V. Low duty cycle pulse testing techniques are used which maintains junction and case
4.5V to 35V
0 to 100mA
-0.3V to V
(Note 2)
0 to 20mA
Test Conditions
8V to 35V
J
200mA
50mA
40V
40V
IN
2
Logic Sink Current ............................................................
Operating Junction Temperature
Storage Temperature Range ............................
Lead Temperature (Soldering, 10 Seconds) ...................
RoHS Peak Package Solder Reflow Temp. (40 sec. max. exp.)...... 260°C (+0, -5)
Note A. Junction Temperature Calculation: T
Note B. The above numbers for
Oscillator Timing Capacitor ....................................
Available Deadtime Range at 40KHz ......................
Operating Ambient Temperature Range:
Hermetic (J, L Packages) ............................................
Plastic (N, DW Packages) ...........................................
SG1526 .........................................................
SG2526 ...........................................................
SG3526 ...............................................................
thermal resistance of the package in a standard mount-
ing configuration. The
guidelines for the thermal performance of the device/pc-
board system. All of the above assume no ambient
airflow.
SG1526/SG2526/SG3526
Min. Typ. Max.
4.95
4.90
2.4
SG1526/2526
5.00
5.00
0.2
4.8
10
10
15
50
11861 Western Avenue
JC
5.05
5.10
125
0.4
30
30
50
JA
are maximums for the limiting
numbers are meant to be
Min. Typ. Max.
4.90
4.85
[phone]
2.4
J
A
SG3526
= T
5.00
5.00
0.2
4.8
125 C, SG2526 with
10
10
15
50
A
Garden Grove, CA 92841
+ (P
-65 C to 150 C
-55 C to 125 C
-25 C to 85 C
5.10
5.15
D
125
0.4
1nF to 20 F
30
50
50
FAX: [phone]
0 C to 70 C
x
3% to 50%
JA
).
Units
150 C
150 C
300 C
15mA
mV
mV
mV
mA
V
V
V
V