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YB1521 查看數據表(PDF) - YOBON TECHNOLOGIES,INC.
零件编号
产品描述 (功能)
生产厂家
YB1521
High Power Step-Up DC-DC Converter & WLED Driver
YOBON TECHNOLOGIES,INC.
YB1521 Datasheet PDF : 9 Pages
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YB1521
High Power Step-Up DC-DC Converter & WLED Driver
Electrical Characteristics
Table4 (V
IN
=5V, V
EN
=5V, T
A
=25°C, unless otherwise noted.)
Parameters
Symbol Test Conditions
MIN
Input Voltage Range
Quiescent Current
Shutdown Current
Feedback Voltage
FB Input Bias Current
Switch On-Resistance
Maximum Duty Cycle
Switching Frequency
EN Threshold
V
IN
I
Q
I
SD
V
FB
R
DSON
DTMX
F
SW
V
ENH
2.5
V
FB
=0.3V
V
EN
=0V, I
OUT
= 0mA
I
OUT
= 260mA, V
OUT
=
10.5V
180
V
FB
= 0.2V
V
FB
= 0V
85
1
V
EN
Rising, V
IN
= 5V
1
EN Threshold
V
ENL
V
EN
Rising, V
IN
= 2.5V
0.8
EN Dimming Frequency
20
Switch Current Limit
I
ILM
1
Under Voltage Lock Out
UVLO
V
IN
Rising
UVLO Hysteresis
Over Voltage Protection
Thermal Shutdown
OVP
16
T
SD
The Hysteresis = 20
℃
TYP
5
0.2
0.1
200
0.4
92
1.3
1.5
50
1.6
2.25
100
18
160
MAX Units
5.5
V
0.8 mA
1
µ
A
220 mV
0.1
µ
A
Ω
%
1.6 MHz
2
V
V
KHz
A
2.45 V
mV
22
V
℃
YB1521 MRev.1.1
www.yobon.com.tw
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