参数资料
型号: L6726ATR
厂商: STMICROELECTRONICS
元件分类: 稳压器
英文描述: 1.5 A SWITCHING CONTROLLER, 297 kHz SWITCHING FREQ-MAX, PDSO8
封装: SOP-8
文件页数: 30/35页
文件大小: 986K
代理商: L6726ATR
Typical application circuit and block diagram
L6726A
4/35
Doc ID 12754 Rev 4
1
Typical application circuit and block diagram
1.1
Application circuit
Figure 1.
Typical application circuit
1.2
Block diagram
Figure 2.
Block diagram
1
2
8
BOOT
UGATE
PHASE
LGATE
/ OC
4
HS
LS
VIN = 1.5V to 19V (1)
L
COUT
Vout
LOAD
CHF
CBULK
CDEC
GND
3
RFB
COMP
/ DIS
7
RF
CF
CP
VCC
ROS
VCC = 5V to 12V
5
6
FB
L6726A Reference Schematic
(1) Up to 12V with Vcc > 5V
L6726A
ROCSET
RD
CSN
RSN
CBOOT
RgHS
RgLS
D
VCC
BOOT
LGATE
/ OC
FB
UGATE
COMP
/DIS
GND
AD
APTIVE
ANTI
CR
OSS
CONDUCTION
HS
LS
VCC
TRANSCONDUCTANCE
ERROR AMPLIFIER
+
-
0.8V
OSCILLATOR
PWM
PHASE
CONTROL LOGIC
& PROTECTIONS
VOCTH
DISABLE
I SS
OCP
CLOCK
S
R
Q
L6726A
I
OCSET
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