IP35063J SEME-LAB [Seme LAB], IP35063J Datasheet

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IP35063J

Manufacturer Part Number
IP35063J
Description
DC-DC CONVERTER CONTROL CIRCUIT
Manufacturer
SEME-LAB [Seme LAB]
Datasheet
ABSOLUTE MAXIMUM RATINGS
Semelab plc.
Part
Number
IP35063
IP33063
IP34063
Power Supply Voltage
Comparator Input Voltage Range
Switch Collector Voltage
Switch Emitter Voltage
Switch Collector to Emitter Voltage
Driver Collector Voltage
Switch Current
Power Dissipation @ T
Derate above 25°C
Operating Junction Temperature
Operating Ambient Temperature Range See Table Above
Storage Temperature Range
COLLECTOR
C APACITOR
EMITTER
D-8 Package – 8 Pin Plastic (150) SOIC
SW ITCH
SW ITCH
TIM ING
N Package – 8 Pin Plastic DIP
J Package – 8 Pin Ceramic DIP
GND
J–Pack
8 Pin
Telephone (01455) 556565. Telex: 341927. Fax (01455) 552612.
1
2
3
4
TOP VIEW
N–Pack
8 Pin
amb
= 25°C
8
7
6
5
8 Pin
D–8
D RIVER
C OLLEC TO R
I
V
C OMP AR ATOR
INVER TIN G
INPUT
pk SENSE
C C
Order Information
-55 to +125°C
-40 to +85°C
Ceramic Packages
Plastic Packages
Ceramic Packages
Plastic Packages
0 to +70°C
Range
Temp.
FEATURES
• Operation from 2.5 to 40V input
• Low Standby Current
• Current Limiting
• Output switch current of 1.5A
• Output voltage adjustable from 1.25 to 40V
• Operating frequency from 100Hz to 100kHz
• Direct replacement for MC34063/MC34063A
series
Note:
To order, add the package identifier to the part
number.
eg.
DC–DC CONVERTER
CONTROL CIRCUIT
IP35063D–8
See Table Above
–0.3V to +40V
–65 to 150°C
10mW/°C
1.25W
150°C
125°C
+40V
1.5A
40V
40V
40V
40V
1W
IP35063
IP33063
IP34063
Prelim. 2/95

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IP35063J Summary of contents

Page 1

TOP VIEW SW ITCH 1 COLLECTOR SW ITCH 2 EMITTER TIM ING 3 C APACITOR GND 4 J Package – 8 Pin Ceramic DIP N Package – 8 Pin Plastic DIP D-8 Package – 8 Pin Plastic (150) SOIC Part ...

Page 2

DESCRIPTION The IP34063 series of control circuits contains all the functions required to implement DC–DC converters. Included are internal voltage reference, comparator, controlled duty cycle oscillator with current limit circuit, driver, and high current output switch. This series was specifically ...

Page 3

Calculation OFF ( OFF MAX pk(switch (MIN — Saturation voltage of the output switch. SAT V — Forward voltage drop of the ringback rectifier. ...

Page 4

Step–Down Converter 170 OSCILLATOR 25V COMPARATOR 1.25 V 100 F REFERENCE REGULATOR 3.3K 1.2K External Current Boost Connections for I ...

Page 5

TYPICAL PERFORMANCE CHARACTERISTICS Output Switch On–Off Time vs Oscillator Timing Capacitor pk(sense) CC Pin 5 = Gnd ...

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