AW9364
Feb 2018 V2.3
4-Channel 1-wire Dimming LED Driver with Ultra Low
Dropout Current Source
FEATURES
Ultra low dropout: 50mV/20mA(typical)
Support up to 4 LEDs
LED sink current up to 20mA
±1%
LED current matching(typical)
En Pin Deglitch circuit
Thermal shutdown protection
16-step brightness control
ESD protection: ±8kV(HBM)
No EMI and switch noise
Packages: DFN2x2-8L
DESCRITION
PIN CONFIGURATION AND MARKING
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AW9364DNR TOP VIEW
（DFN2x2-8L）
8 LED1
7 LED2
6 LED3
5
LED4
C
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Mobile phone
Digital camera
PDA MP3
w
in
PGND 1
EN 2
VIN 3
AGND 4
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Figure 1 Pin Configuration of AW9364
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APPLICATIONS
The AW9364 is available in DFN2x2-8L packages and
is specified over the -40℃ to +85℃ temperature range.
AW9364DNR MARKING
（DFN2x2-8L）
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Copyright © 2018 SHANGHAI AWINIC TECHNOLOGY CO., LTD
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The AW9364 is a 4-channel ultra low dropout constant-
source parallel LED driver. With the proprietary Q-Mir-
ror
TM
technique, the AW9364 uses an internal resistor to
set the bias current for four LEDs, which are matched to
±1%. The AW9364 incorporates a single wire interface to
program the output current at 16 continuous steps. The
AW9364 has an internal deglitch circuit for filtering the
noise of the EN input. The AW9364 requires only a 40mV
dropout voltage at a 20mA load. The feature makes
AW9364 ideal for battery-operated systems, such as per-
sonal digital assistants.
AL64 - AW9364DNR
XY
–
Production Tracing Code
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AW9364
Feb 2018 V2.3
TYPICAL APPLICATION CIRCUITS
2.8V to 5.5V
1uF
VIN
AW9364
LED1
Pulse Input
1
2
n≤16
EN
LED2
LED3
LED4
AGND
2.8V to 5.5V
1uF
C
o
PGND
AW9364
LED1
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Pulse Input
1
2
EN
n
VIN
n≤16
in
AGND
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Figure 3 3-LED Application
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Figure 2 AW9364 Typical Application
LED2
LED3
LED4
Floating
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PGND
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AW9364
Feb 2018 V2.3
2.8V to 5.5V
1uF
VIN
AW9364
LED1
Pulse Input
1
2
n≤16
EN
LED2
LED3
LED4
AGND
Floating
Floating
2.8V to 5.5V
1uF
C
o
PGND
AW9364
LED1
n
VIN
Pulse Input
1
2
EN
ic
n≤16
AGND
in
Figure 5 1-LED Application
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Copyright © 2018 SHANGHAI AWINIC TECHNOLOGY CO., LTD
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LED2
LED3
LED4
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Floating
Floating
Floating
Figure 4 2-LED Application
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PGND
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AW9364
Feb 2018 V2.3
ORDERING INFORMATION
Order Num-
ber
AW9364DNR
Temperature
Range
-40℃½85℃
Package
Marking
Moisture
sensitivity
level
MSL3
Environ-
mental In-
formation
RoHS+HF
Packing
Type
3000
units/Tape
and Reel
DFN2x2-8L
AL64
AW9364
Shipping
Package Type
Package Type
DN:DFN2x2-8L
Shipping
R :Tape & Reel
ABSOLUTE MAXIMUM RATINGS
(1)
Parameter
Supply Voltage VDD
Input Voltage EN
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Power Dissipation, ( P
D
@ T
A
=25℃）
Maximum Junction Temperature
Storage Temperature Range
Lead Temperature (Soldering 10 Seconds)
Package Thermal Resistance θ
JA
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in
ESD Rating
(2)
Human Body Model
Latch-up
(3)
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Latch-up current maximum rating per JEDEC
standard
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Copyright © 2018 SHANGHAI AWINIC TECHNOLOGY CO., LTD
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Range
-0.3V to 6 V
-0.3V to 6 V
0.44 W
125℃
-65℃ to 150℃
260℃
76℃/W
±8000
V
+IT:450mA
-IT:-450mA
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AW9364
Feb 2018 V2.3
ELECTRICAL CHARACTERISTICS
Test Condition: T
A
=25℃, VIN=3.6V, C
IN
= 1μF (unless otherwise specified)
Parameter
Supply Voltage
Output Current
Current Matching
LED Dropout Voltage
Quiescent Current
Shutdown Current
Startup Time
Enable High Level Input Voltage
Enable Low Level Input Voltage
EN Low Time for Dimming
EN High Time for Dimming
Shutdown Delay Time
Thermal Shutdown Temperature
Hysteresis Temperature
Symbol
VIN
I
LED
Condition
Min
2.8
Typ.
Max
5.5
Units
All LEDs 100% setting
V
DO
I
Q
I
SD
T
ON
V
IH
V
IL
T
LO
T
HI
T
OFF
T
P
V
EN
=0V
I
LED
=20mA
I
LED
=0
V
EN
=0V，VIN=5.5V
-5
50
5
330
0.1
20
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145
20
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5
1.5
0.5
0.5
800
NOTE2: The human body model is a 100pF capacitor discharged through a 1.5kΩ resistor into each pin.
NOTE3: Test condition: JEDEC STANDARD NO.78A FEBRUARY 2006.
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NOTE1: Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to
the device. These are stress ratings only and functional operation of the device at these or any other condi-
tions beyond those indicated under "recommended operating conditions" is not implied. Exposure to abso-
lute-maximum-rated conditions for extended periods may affect device reliability.
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Copyright © 2018 SHANGHAI AWINIC TECHNOLOGY CO., LTD
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μA
μA
μs
V
0.3
500
V
μs
μs
2500
μs
℃
℃
1
170
a
%
mV
All LEDs 100% setting
16.5
20
23.5
mA
l
V
嵌入式系统
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