YB1519 Datasheet, PDF (3/7 Pages) YOBON TECHNOLOGIES,INC. – High-Power White LED Driver

YB1519
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
Conditions
Min Typ Max Units
Input Voltage Range
2.2
16
V
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
1.21 1.23 1.25
V
180
250 nA
400 μA
10
μA
1
μs
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
220 330 mV
1
10
μA
0.4
V
EN Logic High Level
EN pin voltage high
1.8
VIN
V
EN Input Bias Current
EN Input Bias Current
I_SET Source Current
Inductor Peak Current
V_EN=3V
4.5 15
μA
V_EN=0V
1
μA
6
8
10
μA
Rlimit=15K, Vin=12V, Vout=30V, Iout =
1.4 1.5 1.6
A
150mA
YB1519 MRev.1.2
www.yobon.com.tw
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