SG3524BN MICROSEMI, SG3524BN Datasheet - Page 2

• Manufacturer Part Number: SG3524BN
• Manufacturer: MICROSEMI

Specifications of SG3524BN

• Pwm Type: Voltage Mode PWM Controller
• Number Of Pwm Outputs: 2
• On/off Pin: Yes
• Adjustable Output: No
• Duty Cycle: 49%
• Operating Supply Voltage (max): 40V
• Output Voltage: 19V
• Synchronous Pin: No
• Rise Time: 200ns
• Fall Time: 100ns
• Operating Temperature Classification: Commercial
• Mounting: Through Hole
• Pin Count: 16
• Package Type: PDIP
• Lead Free Status / Rohs Status: Compliant

Rev 1.3a
Copyright  2000
ABSOLUTE MAXIMUM RATINGS
Input Voltage (+V
Collector Voltage .............................................................
Logic Inputs ..........................................................
Current Limit Sense Inputs .....................................
Output Current (each transistor) .................................
Reference Load Current ...............................................
Note 1. Values beyond which damage may occur.
J Package:
N Package:
DW Package:
L Package:
RECOMMENDED OPERATING CONDITIONS
Input Voltage (+V
Collector Voltage ....................................................
Error Amp Common Mode Range .......................
Current Limit Sense Common Mode Range ......
Output Current (each transistor) ..........................
Reference Load Current ........................................
Oscillator Charging Current ............................
Note 2: Range over which the device is functional.
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, these specifications apply over the operating ambient temperatures for SG1524B with -55°C ≤ T
25°C ≤ T
temperatures equal to the ambient temperature.)
Note 3. I
THERMAL DATA
Reference Section
Output Voltage
Line Regulation
Load Regulation
Temperature Stability
Total Output Voltage Range
Short Circuit Current
Undervoltage Lockout Section
Threshold Voltage
Thermal Resistance-
Thermal Resistance-
Thermal Resistance-
Thermal Resistance-
Thermal Resistance-
Thermal Resistance-
Thermal Resistance-
Thermal Resistance-
A
L
≤ 85°C, SG3524B with 0°C ≤ T
= 0mA
Parameter
IN
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 7)
A
≤ 70°C, and +V
, θ
, θ
, θ
, θ
T
V
I
Over Operating Temperature Range
Over Line, Load and Temperature
V
L
(Note 1)
J
IN
REF
= 0 to 20mA
JC
JC
JC
JC
, θ
, θ
, θ
, θ
= 25°C
= 7V to 40V
.................. 30°C/W
.................. 40°C/W
................... 40°C/W
................... 35°C/W
JA
JA
JA
JA
= 0V
............... 80°C/W
.............. 65°C/W
.............. 95°C/W
............ 120°C/W
25µA to 1.8mA
0V to V
-0.3V to 5.5V
IN
2.3V to V
0 to 100mA
= 20V. Low duty cycle pulse testing techniques are used which maintains junction and case
-0.3V to V
0 to 20mA
Test Conditions
(Note 2)
7V to 40V
0V to 60V
200mA
IN
50mA
-2.5V
42V
60V
REF
IN
2
RoHS Peak Package Solder Reflow Temp. (40 sec. max. exp.)...... 260°C(+0, -5)
Oscillator Charging Current ..............................................
Operating Junction Temperature
Storage Temperature Range ............................
Lead Temperature (Soldering, 10 seconds) ...................
Note A. Junction Temperature Calculation: T
Note B. The above numbers for
Oscillator Frequency Range ........................
Oscillator Timing Resistor (R
Oscillator Timing Capacitor (C
Operating Ambient Temperature Range
Hermetic (J, L Packages) ............................................
Plastic (N, DW Packages) ...........................................
SG1524B ....................................................
SG2524B ......................................................
SG3524B .........................................................
thermal resistance of the package in a standard mount-
ing configuration. The θ
guidelines for the thermal performance of the device/pc-
board system. All of the above assume no ambient
airflow.
SG1524B/SG2524B/SG3524B
SG1524B/2524B
Min. Typ. Max. Min. Typ. Max.
4.95
4.90
4.3
25
5.00
4.5
15
50
3
5
11861 Western Avenue ∞ ∞ ∞ ∞ ∞ Garden Grove, CA 92841
θ
T
) .........................
JC
T
5.05
5.10
120
) ..........................
4.7
20
30
50
are maximums for the limiting
JA
numbers are meant to be
4.90
4.80
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4.2
25
A
J
≤ 125°C, SG2524B with -
SG3524B
= T
5.00
A
4.5
15
50
100Hz to 400KHz
3
5
+ (P
-65°C to 150°C
-55°C to 125°C
2KΩ to 150KΩ
-25°C to 85°C
D
5.10
5.20
1nF to 0.1µF
120
x θ
4.9
30
50
50
0°C to 70°C
JA
).
Units
150°C
150°C
300°C
mV
mV
mV
mA
5mA
V
V
V