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F72830SG Datasheet(PDF) 6 Page - Feature Integration Technology Inc.

Part # F72830SG
Description  Four-Phase Linear Controller with I2C Interface
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Manufacturer  FINTEK [Feature Integration Technology Inc.]
Direct Link  http://www.fintek.com.tw/eng
Logo FINTEK - Feature Integration Technology Inc.

F72830SG Datasheet(HTML) 6 Page - Feature Integration Technology Inc.

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Fintek
Feature Integration Technology Inc.
2007 V0.14P
5
F72830
Power Pins
PIN NO
PIN NAME
TYPE
DESCRIPTION
9
VSS
16
VDDA
P
Power pins
Control signal
PIN NO
PIN NAME
TYPE
PWR
DESCRIPTION
10
EN2
INts
VDD
Linear driver2 control signal input, input voltage > 1.5V, L
H
11
EN3
INts
VDD
Linear driver3 control signal input, input voltage > 1.5V, L
H
12
EN4
INts
VDD
Linear driver4 control signal input, input voltage > 1.5V, L
H
Switching Signal & Linear/PWM Controller
PIN NO
PIN NAME
TYPE
PWR
DESCRIPTION
1
LR1_SEN
AIN
VDD
Sense the voltage of linear regulator. LR1_SEN and LR1_DRV
act as a linear regulator. The linear controller 1 will act while
powering on the chip and finishing soft-start.
2
LR1_DRV
AOUT
VDDA
Connect this pin to the gate of a suitable N-channel MOSFET.
LR1_SEN and LR1_DRV act as a linear regulator. The linear
controller 1 will act while powering on the chip and finishing
soft-start.
3
LR2_DRV
AOUT
VDDA
Connect this pin to the gate of a suitable N-channel MOSFET.
LR2_SEN and LR2_DRV act as a linear regulator. The linear
controller 2 will act when the input of EN2 acts high. The linear
controller 2 will be off when the input of EN2 acts low.
4
LR2_SEN
AIN
VDD
Sense the voltage of linear regulator. LR2_SEN and LR2_DRV
act as a linear regulator. The linear controller 2 will act when the
input of EN2 acts high. The linear controller 2 will be off when the
input of EN2 acts low.
5
LR3_SEN
AIN
VDDA
Sense the voltage of linear regulator. LR3_SEN and LR3_DRV
act as a linear regulator. The linear controller 3 will act when the
input of EN3 acts high. The linear controller 3 will be off when the
input of EN3 acts low.


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