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B340 13 F B34013F B340 FDIDKR ND B340FDIDKRND B340-FDIDKR
B34063A General Description
The Bay Linear B34063A series is 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 specially designed to be incorporated in Step-Down and Step-Up and voltage-inverting applications with a minimum number of external component.
The B34063A is offer in 8-pin DIP or Surface mount package.
B34063A Maximum Ratings
Parameter
Symbol
Value
Unit
Supply Voltage
VCC
40
V
Comparator Input Voltage Range
VI(COMP)
-0.3 ∼ + 40
V
Switch Collector Voltage
VC(SW)
40
V
Switch Emitter Voltage
VE(SW)
40
V
Switch Collector to Emitter Voltage
VCE(SW)
40
V
Driver Collector Voltage
VC(DR)
40
V
Switch Current
ISW
1.5
I
B34063A Features
• Operation from 3.0V to 40V input • Low Standby Current • Current Limiting • Output Switch Current to 1.5A • Output voltage Adjustable • Frequency Operation to 100 kHz • Precision 2% Reference • Step-Up-Step Down or inverting Switchin regulator • Direct Replacement for MC34063