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LP3302 数据表(PDF) 6 Page - Lowpower Semiconductor inc

部件名 LP3302
功能描述  1.1MHz Fixed-Frequency PWM Operation
PDF  13 Pages
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制造商  POWER [Lowpower Semiconductor inc]
网页  http://www.lowpowersemi.com
标志 POWER - Lowpower Semiconductor inc

LP3302 数据表(HTML) 6 Page - Lowpower Semiconductor inc

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Preliminary Datasheet
LP3302
LP3302B6F-00
Version 1.0 Datasheet
May.-2013
www.lowpowersemi.com
Page 6 of 13
Electrical Characteristics
Parameter
Symbol
Test Condition
Min
Typ.
Max
Units
System Supply Input
Operation voltage Range
VDD
2.7
6
V
Under Voltage Lock Out
VDD
2.4
V
Supply Current
IDD
FB=0V, Switching
0.8
1.3
mA
Shut Down Current
IDD
VEN < 0.4V
0.1
1
uA
Line Regulation
VIN : 3.0~4.3V
3
%
Oscillator
Operation Frequency
FOSC
0.8
1.1
MHz
Maximum Duty Cycle
92
%
Dimming Frequency
100
500k
Hz
Feedback Voltage
LP3302
235
250
265
mV
MOSFET
On Resistance of MOSFET
RDS(ON)
0.3
Ω
Protection
OVP Threshold
VOVP
Rising
29
V
OVP Sink Current
5
μA
OCP
1200
mA
Shut Down Voltage
VEN
0.4
V
Enable Voltage
VEN
1.5
V



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