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L6788A Datasheet(PDF) 4 Page - STMicroelectronics

Part # L6788A
Description  High current internal drivers
PDF  18 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6788A Datasheet(HTML) 4 Page - STMicroelectronics

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Application circuit and block diagram
L6788A
4/18
Doc ID 15341 Rev 2
1.2
Block diagram
Figure 2.
Block diagram
a.
Refer to the application note for the reference schematic
LOGIC PWM
ADAPTIVE ANTI
CROSS CONDUCTION
LOGIC PWM
ADAPTIVE ANTI
CROSS CONDUCTION
LOGIC PWM
ADAPTIVE ANTI
CROSS CONDUCTION
HS1
LS1
HS2
LS2
HS3
LS3
CURRENT SHARING
CORRECTION
CH2 CURRENT
READING
CH3 CURRENT
READING
L6788A
CONTROL LOGIC
AND PROTECTIONS
PWM3
PWM1
PWM2
PWM3
OCP
DIGITAL
SOFT START
DAC &
SMBUS INTERFACE
CS2-
CS2+
CS3-
CS3+
AGND
VCC1_IC
VCC
RT/DROOP
VID0
VID1
SCL
SDA
RT/DROOP
OUTEN
VCC1_IC
OVP
COMP.
ERROR
AMPLIFIER
GND DROP
RECOVERY
CURRENT SHARING
CORRECTION
CURRENT SHARING
CORRECTION
CH1 CURRENT
READING
CS1-
CS1+
TOTAL DELIVERED
CURRENT
VCC2_DR
TCS
VREF
OCP
COMP.
+.1700V
&SMBUS
TO OCP
PWM1
PWM2
R1
R2
R3
VCC2_DR
VCC2_DR
VCC2_DR
PGND
PGND
PGND
TH
VR_HOT
VCC2_DR
Mode
MODE
3V3
200k
200k
Mode
1.240V
Circuitry
Fsw sel
140%Vref
&SMBUS
UVP
COMP.
50%Vref
&SMBUS
I
REF
I
REF
I
REF
1.240V
VR_HOT/EN
OUTEN & VR_HOT
5.00V
5VCC
10uA
10uA
10uA
TH
Die Temp.
Sensor
TH
VR_HOT



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