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SL34063A Datasheet(Fiches technique) 1 Page - System Logic Semiconductor

Numéro de pièce SL34063A
Description  DC-TO-DC CONVERTER CONTROL CIRCUITS
Télécharger  2 Pages
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Fabricant  SLS [System Logic Semiconductor]
Site Internet  http://www.slsemicon.co.kr/e_index.htm
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System Logic
Semiconductor
SLS
DC-TO-DC CONVERTER CONTROL CIRCUITS
The SL34063A is a monolithic control circuit containing the primary functions required for DC-to-DC converters. These
devices consist of an internal temperature compensated reference, comparator, controlled duty cycle oscillator with
an active current limit circuit, driver and high current output switch. This series was specifically designed to be
incorporated in Step-Down and Step-Up and Voltage-Inverting applications with a minimum number of external
components.
FEATURES
FUNCTIONAL BLOCK DIAGRAM
• Operation from 3.0 V to 40 V Input
• Low Standby Current
• Current Limiting
• Output Switch Current to 1.5 A
• Output Voltage Adjustable
• Frequency Operation to 100 kHz
• Precision 2% Reference
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Power Supply Voltage
VCC
40
Vdc
Comparator Input Voltage Range
VIR
-0.3 to +40 Vdc
Switch Collector Voltage
VC(switch)
40
Vdc
Switch Emitter Voltage (Vpin 1 = 40 V)
VE(switch)
40
Vdc
Switch Collector to Emitter Voltage
VCE(switch)
40
Vdc
Driver Collector Voltage
IC(driver)
40
Vdc
Driver Collector Current (Note 1)
IC(driver)
100
mA
Switch Current
ISW
1.5
A
Power Dissipation and Thermal Characteristics
Ceramic Package, U Suffix TA = +25°C
Thermal Resistance
Plastic Package, P Suffix TA = +25°C
Thermal Resistance
SOIC Package, D Suffix TA = +25°C
Thermal Resistance
PD
RθJA
PD
RθJA
PD
RθJA
1.25
100
1.25
100
625
160
W
°C/W
W
°C/W
mW °C/
W
Operating Junction Temperature
TJ
+150
°C
Operating Ambient Temperature Range
TA
0 to +70
°C
Storage Temperature Range
Tstg
-65to+150 °C
SL34063A




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