YB1509 Datasheet, PDF (3/7 Pages) YOBON TECHNOLOGIES,INC. – High-Power White LED Driver

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