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LP6253HSPF 데이터시트(PDF) 4 Page - Lowpower Semiconductor inc

부품명 LP6253HSPF
상세설명  High Efficiency 8A Synchronous Boost Convertor
PDF  12 Pages
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제조업체  POWER [Lowpower Semiconductor inc]
홈페이지  http://www.lowpowersemi.com
Logo POWER - Lowpower Semiconductor inc

LP6253HSPF 데이터시트(HTML) 4 Page - Lowpower Semiconductor inc

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LP6253H
Aug.-2017
Email: marketing@lowpowersemi.com
www.lowpowersemi.com
Page 4 of 12
Preliminary Datasheet
LP6253H
Electrical Characteristics
(VIN=3.5V, VOUT=5V, CIN=22uF×2, COUT=22uF×2, L=1uH)
Parameter
Condition
Min
Typ.
Max
Units
Supply Voltage
2.5
5.5
V
Output Voltage Range
2.8
5.5
V
Under voltage lockout
VIN rising
1.8
2
2.2
V
Supply Current(Shutdown)
VEN= 0V
0.5
1
μA
Supply Current
VEN= 3V
200
μA
Feedback Voltage
1.186
1.21
1.234
V
Feedback Input Current
VFB=1.21V
0.1
1
μA
Switching Frequency
650
KHz
EN Input Low Voltage
0.4
V
EN Input High Voltage
1.4
V
High-side On Resistance
VOUT=5V
55
mΩ
Low-side On Resistance
VOUT=5V
55
mΩ
Switch Current Limit
8
A
Line regulation
0.6
%
Over temperature protection
150
℃
Over temperature hysteresis
20
℃
LX
VIN
AGND
VOUT
FB
LP6253H
VIN
R2
47K
R1
150K
VOUT
5V / 2.4A
C3
22uF
L 1uH
RLIM
RLIM
100K
C1
22uF
C2
22uF
C4
22uF
C5
0.1uF
PG
R3
1.5k
LED
Close to PGND
EN
Note:
The trace between power ground
and output cap ground must be as
short and wide enough as possible.



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