Datasheet

L6743D Typical application circuit and block diagram
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1 Typical application circuit and block diagram
1.1 Application circuit
Figure 1. Typical application circuit
1.2 Block diagram
Figure 2. Block diagram
BOOT
UGATE
PHASE
LGATE
HS
LS
V IN = 5V to 12V
L
C OUT
Vout
C
HF
C BULK
C DEC
GND
PWM
V CC = 5V to 12V
L6743D Reference Schematic
L6743D
VCC
PWM Input
EN
EN Input
NC*NC*
VCC
BOOT
LGATE
UGATE
GND
ADAPTIVE ANTI
CROSS CONDUCTION
HS
LS
VCC
PWM
PHASE
CONTROL LOGIC
& PROTECTIONS
L6743D
PWM
EN
GND
15k