YB1509
High-Power White LED Driver
Absolute Maximum Ratings
Supply Voltage......................................... -0.3V to 16V
LX Switch Voltage.................................... -0.3V to 40V
Junction Temperature Range........................... +150℃
Storage Temperature Range ............. -65℃ to +150℃
Lead Temperature............................................ +250℃
Recommended Operating Conditions
Input Supply Voltage.............................. 2.2V to 16V
Operating Temperature..................... -40℃ to +85℃
Electrical Characteristics
At T
A
=25℃, V
IN
=6V, unless otherwise noted.
Table 2
Function Parameter
Input Voltage Range
V
FB
Threshold Voltage
V
FB
Pin Bias Current
Quiescent Current
Quiescent Current in shutdown
Switching Off Time
Switching On V
CE,SAT
LX Leakage Current
EN Logic Low Level
EN Logic High Level
EN Input Bias Current
EN Input Bias Current
I
SET
Source Current
Inductor Peak Current
I
SWITCH
=300mA
V
FB
=1.23V
Conditions
Min
2.2
1.21
180
Typ
Max
16
Units
V
V
nA
µA
µA
µs
1.23
1.25
250
400
10
V
FB
=1.5V, not switching
V
EN
=0V
1
220
1
330
10
0.4
mV
µA
V
V
µA
µA
µA
A
V
FB
=1.5V, V
LX
=40V
EN pin voltage low
EN pin voltage high
V
EN
=3V
V
EN
=0V
6
Rlimit=15K, Vin=12V, Vout=30V,
Iout = 150mA
1.4
1.8
VIN
4.5
15
1
8
1.5
10
1.6
YB1509 MRev.1.1
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YOBON [ YOBON TECHNOLOGIES,INC. ]
