SG3524N STMicroelectronics, SG3524N Datasheet

IC PWM REGULATING 16-DIP

SG3524N

Manufacturer Part Number
SG3524N
Description
IC PWM REGULATING 16-DIP
Manufacturer
STMicroelectronics
Type
Pulse Width Modulator Controllerr
Datasheets

Specifications of SG3524N

Pwm Type
Voltage Mode
Number Of Outputs
1
Frequency - Max
300kHz
Duty Cycle
45%
Voltage - Supply
8 V ~ 40 V
Buck
No
Boost
No
Flyback
Yes
Inverting
No
Doubler
Yes
Divider
No
Cuk
No
Isolated
No
Operating Temperature
0°C ~ 70°C
Package / Case
16-DIP (0.300", 7.62mm)
Frequency-max
300kHz
Topology
Push-Pull
Output Voltage
18 V
Output Current
100 mA
Switching Frequency
300 KHz
Duty Cycle (max)
45 %
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Fall Time
100 ns
Mounting Style
Through Hole
Rise Time
200 ns
Synchronous Pin
No
Common Mode Rejection Ratio
70
Current, Input Bias
2 μA
Current, Output
100 mA
Current, Supply
8 mA
Frequency, Oscillator
300 kHz
Package Type
DIP-16
Power Dissipation
1000 mW
Regulation, Line
10 mV
Regulation, Load
20 mV
Temperature, Operating, Range
0 to +70 °C
Time, Fall
0.1 μs
Time, Rise
0.2 μs
Voltage, Gain
80 dB
Voltage, Input
20 V
Voltage, Offset
2 mV
Voltage, Output
5 V
Voltage, Supply
8 to 40 V
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
497-2992-5

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This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
DESCRIPTION
The SG3524 incorporates on a single monolithic
chip all the function required for the construction
of regulating power suppies inverters or switching
regulators. They can also be used as the control
element for high power-output applications. The
SG3524 family was designed for switching regu-
lators of either polarity, transformer-coupled dc-
to-dc converters, transformerless voltage dou-
blers
employing fixed-frequency, pulse-width modula-
tion techniques. The dual alternating outputs al-
lows either single-ended or push-pull applications.
BLOCK DIAGRAM
COMPLETE PWM POWER CONTROL CIR-
CUITRY
UNCOMMITTED OUTPUTS FOR SINGLE-
ENDED OR PUSH PULL APPLICATIONS
LOW STANDBY CURRENT 8mA TYPICAL
OPERATION UP TO 300KHz
1% MAXIMUM TEMPERATURE VARIATION
OF REFERENCE VOLTAGE
and
®
polarity
converter
REGULATING PULSE WIDTH MODULATORS
applications
Each device includes an on-ship reference, error
amplifier, programmable oscillator, pulse-steering
flip flop, two uncommitted output transistors, a
high-gain comparator, and current-limiting and
shut-down circuitry.
ORDERING NUMBERS: SG3524N (DIP16)
DIP16
SG3524P (SO16)
SG3524
SO16
1/9

Related parts for SG3524N

SG3524N Summary of contents

Page 1

... BLOCK DIAGRAM This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice. DIP16 ORDERING NUMBERS: SG3524N (DIP16) Each device includes an on-ship reference, error applications amplifier, programmable oscillator, pulse-steering flip flop, two uncommitted output transistors, a high-gain comparator, and current-limiting and shut-down circuitry ...

Page 2

SG3524 ABSOLUTE MAXIMUM RATINGS Symbol V Supply Voltage IN I Collector Output Current C I Reference Output Current R I Current Through Total Power Dissipation at T tot T Storage Temperature Range stg T Operating Ambient Temperature ...

Page 3

ELECTRICAL CHARACTERISTICS (unless otherwise stated, these specifications apply for 20V, and f = 20KHz). IN Symbol Parameter REFERENCE SECTION V Output Voltage REF V Line Regulation REF V Load Regulation REF Ripple ...

Page 4

PRINCIPLES OF OPERATION The SG3524 is a fixed frequency pulse-with- modulation voltage regulator control circuit. The regulator operates at a frequency that is pro- grammed by one timing resistor ( established a constant ing capacitor ( ...

Page 5

DIM. MIN. TYP. MAX. MIN. a1 0.51 0.020 B 0.77 1.65 0.030 b 0 8.5 e 2.54 e3 17.78 F 7.1 I 5.1 L 3.3 Z 1.27 inch MECHANICAL DATA TYP. MAX. 0.065 0.020 ...

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