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LP3310QVF 数据表(PDF) 4 Page - Lowpower Semiconductor inc

部件名 LP3310QVF
功能描述  High Performance, Constant Current Switching Regulator For 8PCS White LED In Series
PDF  9 Pages
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制造商  POWER [Lowpower Semiconductor inc]
网页  http://www.lowpowersemi.com
标志 POWER - Lowpower Semiconductor inc

LP3310QVF 数据表(HTML) 4 Page - Lowpower Semiconductor inc

  LP3310QVF Datasheet HTML 1Page - Lowpower Semiconductor inc LP3310QVF Datasheet HTML 2Page - Lowpower Semiconductor inc LP3310QVF Datasheet HTML 3Page - Lowpower Semiconductor inc LP3310QVF Datasheet HTML 4Page - Lowpower Semiconductor inc LP3310QVF Datasheet HTML 5Page - Lowpower Semiconductor inc LP3310QVF Datasheet HTML 6Page - Lowpower Semiconductor inc LP3310QVF Datasheet HTML 7Page - Lowpower Semiconductor inc LP3310QVF Datasheet HTML 8Page - Lowpower Semiconductor inc LP3310QVF Datasheet HTML 9Page - Lowpower Semiconductor inc  
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LP3310-00
Jan.-2018
Email: marketing@lowpowersemi.com
www.lowpowersemi.com
Page 4 of 9
Preliminary Datasheet
LP3310
Electrical Characteristics
(VIN=3.3V, CIN=10uF, COUT=2.2uF, L=4.7uH)
Parameter
Conditions
Min
Typ
Max
Units
Supply Voltage
2.7
24
V
Input Under Voltage Lock Out
UVLO
2.5
V
UVLO Hysteresis Voltage
0.3
V
Over voltage threshold
28
V
Supply Current(Shutdown)
VEN= 0V
0.05
1
uA
Supply Current
VEN=HIGH,VFB> 0.2V
300
uA
VEN=HIGH,VFB<0.2V
1
mA
Feedback Voltage
240
250
260
mV
Feedback Input Current
50
nA
Switching Frequency
1
MHz
Maximum Duty Cycle
85
92
98
%
EN Input Low Voltage
0.4
V
EN Input High Voltage
1.4
V
PWM EN demming range
200
200K
Hz
Duty cycle range
PWM<50KHz
1
100
%
MOSFET On Resistance
VOUT=3.3V
100
mΩ
MOSFET Current
4
A
OTP
160
℃
OTP Hysteresis
20
℃



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