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MC34063A View Datasheet(PDF) - Texas Instruments

Part NameMC34063A TI
Texas Instruments TI
Description1.5-A Peak Boost/Buck/Inverting Switching Regulators
MC34063A Datasheet PDF : 30 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
www.ti.com
MC33063A, MC34063A
SLLS636N – DECEMBER 2004 – REVISED JANUARY 2015
6 Pin Configuration and Functions
D (SOIC) OR P (PDIP) PACKAGE
(TOP VIEW)
Switch Collector 1
Switch Emitter 2
Timing Capacitor 3
GND 4
8 Driver Collector
7 Ipk
6 VCC
5 Comparator Inverting Input
DRJ (QFN) PACKAGE
(TOP VIEW)
Switch Collector 1
Switch Emitter 2
Timing Capacitor 3
GND 4
8 Driver Collector
7 Ipk
6 VCC
5 Comparator Inverting Input
PIN
NAME
Switch Collector
Switch Emitter
Timing Capacitor
GND
Comparator
Inverting Input
VCC
IPK
Driver Collector
The exposed thermal pad is electrically bonded internally to pin 4 (GND) .
Pin Functions
TYPE
NO.
DESCRIPTION
1
I/O
High-current internal switch collector input.
2
I/O
High-current internal switch emitter output.
3
Attach a timing capacitor to change the switching frequency.
4
Ground
5
I
Attach to a resistor divider network to create a feedback loop.
6
I
Logic supply voltage. Tie to VIN.
7
I
Current-limit sense input.
8
I/O
Darlington pair driving transistor collector input.
Copyright © 2004–2015, Texas Instruments Incorporated
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