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AP2152 Datasheet(PDF) 6 Page - Asahi Kasei Microsystems

Part # AP2152
Description  3CH High Power WLED Driver
PDF  18 Pages
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Manufacturer  AKM [Asahi Kasei Microsystems]
Direct Link  http://www.akm.com
Logo AKM - Asahi Kasei Microsystems

AP2152 Datasheet(HTML) 6 Page - Asahi Kasei Microsystems

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［AP2152］
MS1348-E-00
6
2012/05
Electrical Characteristics (continuation)
Value
Parameter
Symbol
MIN
TYP
MAX
Unit
Condition
ΔILED1
-2.5
±0.8
+2.5
%
RISET= 36kΩ,
ILED_TYP=75.8mA
100
I
I
I
I
(%)
I
MIN
)
3
1
(
CH
MAX
)
3
1
(
CH
MIN
)
3
1
(
CH
MAX
)
3
1
(
CH
LED
×
+
−
=
−
−
−
−
△
ΔILED2
-5.0
±1.5
+5.0
%
RISET= 91kΩ,
ILED_TYP=30.0mA
100
I
I
I
I
(%)
I
MIN
)
3
1
(
CH
MAX
)
3
1
(
CH
MIN
)
3
1
(
CH
MAX
)
3
1
(
CH
LED
×
+
−
=
−
−
−
−
△
LED Current Accuracy
Between Channels
ΔILED3
●
-2.5
±0.8
+2.5
%
RISET= 42kΩ,
ILED_TYP=65.0mA
100
I
I
I
I
(%)
I
MIN
)
3
1
(
CH
MAX
)
3
1
(
CH
MIN
)
3
1
(
CH
MAX
)
3
1
(
CH
LED
×
+
−
=
−
−
−
−
△
tr
●
1
2
LED Current Rising Time to
PWM Input
RT=55kΩ
LED Current Delay Time
tf
●
0.5
1
μs
LED Current Falling Time to
PWM Input
RT=55kΩ
LDO
4.75
5.0
5.25
V
Output Voltage
VDC
●
4.50
5.0
5.50
V
VIN=12V, IDC=10mA
Protection Function
OVP Reference Voltage
VOVP
●
1.15
1.2
1.25
V
LED Short Criterion Voltage
VSHT
10.8
12
13.2
V
CH1~CH3 pin
LX Limited Current
ILX_LIMIT
2.6
A
PGOOD On Resistance
RPGOOD
100
Ω
IPGOOD=+10mA
TM Voltage
VTM
1.9
2.0
2.1
V
TM Constant Output Current
ITM
8
10
12
μA
TM=1.0V
Switching Frequency Range
FOSC
●
0.2
2.5
MHz
Input High Level Voltage
VIH
●
2.1
V
PWM, SCLK, SYNC
Input Low Level Voltage
VIL
●
0.7
V
PWM, SCLK, SYNC
CLKO Output
High Level Voltage
VOH_CLKO
4.0
V
ICLKO=-1mA
CLKO Output
Low Level Voltage
VOL_CLKO
0.3
V
ICLKO=+1mA



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