Feature Integration Technology Inc.
Fintek
F72830
Power Pins
PIN NO
PIN NAME
VSS
TYPE
DESCRIPTION
9
P
Power pins
16
VDDA
Control signal
PIN NO
10
PIN NAME
EN2
TYPE
PWR
VDD
VDD
VDD
DESCRIPTION
INts
INts
INts
Linear driver2 control signal input, input voltage > 1.5V, L Æ H
Linear driver3 control signal input, input voltage > 1.5V, L Æ H
Linear driver4 control signal input, input voltage > 1.5V, L Æ H
11
EN3
12
EN4
Switching Signal & Linear/PWM Controller
PIN NO
PIN NAME
TYPE
PWR
DESCRIPTION
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.
1
LR1_SEN
AIN
VDD
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.
2
3
LR1_DRV
LR2_DRV
AOUT
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.
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.
VDDA
4
LR2_SEN
AIN
VDD
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.
5
LR3_SEN
AIN
VDDA
2007 V0.14P
5
FINTEK [ FEATURE INTEGRATION TECHNOLOGY INC. ]
