L6726A_07 STMICROELECTRONICS [STMicroelectronics], L6726A_07 Datasheet - Page 4

• Manufacturer Part Number: L6726A_07
• Description: Single phase PWM controller
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Typical application circuit and block diagram
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1.1
1.2
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Typical application circuit and block diagram
Application circuit
Figure 1.
Block diagram
Figure 2.
V
CC
R
FB
L6726A Reference Schematic
(1) Up to 12V with Vcc > 5V
= 5V to 12V
R
OS
OSCILLATOR
L6726A
Typical application circuit
Block diagram
C
C
P
DEC
C
R
F
F
6
7
3
CONTROL LOGIC
& PROTECTIONS
COMP
FB
/ DIS
GND
CLOCK
TRANSCONDUCTANCE
ERROR AMPLIFIER
VCC
5
UGATE
PHASE
LGATE
BOOT
/ OC
DISABLE
R
1
2
8
4
S
Q
+
R
-
R
C
D
R
R
OCSET
D
BOOT
gHS
gLS
PWM
0.8V
OCP
HS
LS
I
OCSET
V
C
R
C
OCTH
SN
SN
HF
L
HS
LS
VCC
V
IN
= 1.5V to 19V
C
C
BULK
OUT
BOOT
UGATE
PHASE
LGATE
/ OC
GND
(1)
LOAD
Vout
L6726A