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LP6255 数据表(PDF) 5 Page - Lowpower Semiconductor inc

部件名 LP6255
功能描述  High Efficiency Synchronous Boost Convertor
PDF  10 Pages
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制造商  POWER [Lowpower Semiconductor inc]
网页  http://www.lowpowersemi.com
标志 POWER - Lowpower Semiconductor inc

LP6255 数据表(HTML) 5 Page - Lowpower Semiconductor inc

  LP6255 Datasheet HTML 1Page - Lowpower Semiconductor inc LP6255 Datasheet HTML 2Page - Lowpower Semiconductor inc LP6255 Datasheet HTML 3Page - Lowpower Semiconductor inc LP6255 Datasheet HTML 4Page - Lowpower Semiconductor inc LP6255 Datasheet HTML 5Page - Lowpower Semiconductor inc LP6255 Datasheet HTML 6Page - Lowpower Semiconductor inc LP6255 Datasheet HTML 7Page - Lowpower Semiconductor inc LP6255 Datasheet HTML 8Page - Lowpower Semiconductor inc LP6255 Datasheet HTML 9Page - Lowpower Semiconductor inc Next Button
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LP6255-02
Feb.-2014
Email: marketing@lowpowersemi.com
www.lowpowersemi.com
Page 5 of 10
Preliminary Datasheet
LP6255
Electrical Characteristics
(VIN=5V, VOUT=12V, L=10uH, R1=123K, R2=15K, RT=400K, RSLP=51K)
Parameter
Condition
Min
Typ
Max
Units
Supply Voltage
2.5
30
V
Output Voltage Range
2.8
30
V
VREF Voltage
4.5
5
5.2
V
Supply Current(Shutdown)
VEN=0V
10
30
μA
Supply Current
VFB=1V
2.5
mA
Voltage for Input Current Limit(VCS)
Cycle-by-cycle current limit
threshold
100
mV
Feedback Voltage
1.31
V
Feedback Input Current
VFB=1.3V
100
nA
Switching Frequency
RT=400KΩ
250
KHz
Maximum Duty Cycle
80
90
95
%
LDR HIGH Voltage
VIN=5V, VOUT=12V
5
V
HDR HIGH Voltage
VIN=5V, VOUT=12V
17
V
EN Input Low Voltage
1
V
EN Input High Voltage
2.5
6
V
EN Input Bias Current
VEN=5V, IOUT=0A
100
μA



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