AOZ1935
Pin Configuration
VIN
AVCC PGND PGND
13
14
15
16
OV
VOUT
12
11
1
2
LX
LX
PAD
S1
S2
10
9
3
4
PWM
NC
8
S3*
7
GND
6
EN
5
NC
3x3 QFN-16
(Bottom View)
Pin Description
Pin Number
1, 2
3
4, 5
6
7
8
9
10
11
12
13
14
15, 16
PAD
Pin Name
LX
PWM
NC
EN
GND
S3*
S2
S1
VOUT
OV
VIN
AVCC
PGND
Pin Function
Switching node of the step-up converter
Pulse width controlled dimming input. Connect this pin to AVCC when not used
Not internally connected
IC enable
Analog Ground pin
Regulated output current sink #3*
Regulated output current sink #2
Regulated output current sink #1
Output voltage sense pin
Over voltage feedback sense pin. Programmable with a resistor divider, this pin has an
internal 1.2V threshold
Boost converter power supply’s input voltage sense pin
Input supply pin for the IC
Power Ground pin
Exposed Backside Paddle. Connect to ground for electrical and thermal usage. PAD is
internally connected to Analog Ground pin.
*S3 is only for the AOZ1935.
Rev. 1.2 June 2013
www.aosmd.com
Page 3 of 15
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