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LP6239 数据表(PDF) 5 Page - Lowpower Semiconductor inc

部件名 LP6239
功能描述  High Efficiency Boost DC/DC Controller
PDF  6 Pages
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制造商  POWER [Lowpower Semiconductor inc]
网页  http://www.lowpowersemi.com
标志 POWER - Lowpower Semiconductor inc

LP6239 数据表(HTML) 5 Page - Lowpower Semiconductor inc

  LP6239 Datasheet HTML 1Page - Lowpower Semiconductor inc LP6239 Datasheet HTML 2Page - Lowpower Semiconductor inc LP6239 Datasheet HTML 3Page - Lowpower Semiconductor inc LP6239 Datasheet HTML 4Page - Lowpower Semiconductor inc LP6239 Datasheet HTML 5Page - Lowpower Semiconductor inc LP6239 Datasheet HTML 6Page - Lowpower Semiconductor inc  
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Preliminary Datasheet
LP6239
Email: marketing@lowpowersemi.com www.lowpowersemi.com
Page 5 of 6
LP6239 Version 0.1 JUL-2019
Electrical Characteristics
(VIN=5V, VEN=5V, TA=25°C, unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
General
Input Supply Voltage
VIN
2.5
6
V
VIN Supply Current
IQ
Shutdown Current
0.1
1
uA
Sleep Current
0.5
1
mA
Operation Current
2
4
mA
Input UVLO Threshold
VUVLO(VTH)
VIN Rising
1.9
V
UVLO Threshold Hysteresis
VUVLO(HYS)
Falling Hysteresis
170
mV
Soft Start Time
TSS
15
ms
Thermal Shutdown Threshold
TSD
Temperature Rising
150
°C
Thermal Shutdown Hysteresis
∆TSD
25
°C
EN Function
EN Threshold Voltage
VIH
Logic High.
1.5
V
VIL
Logic Low
0.7
Pull Down Resistor
RPull_Low
150
k
Ω
Boost Regulator
Feedback Voltage
VFB
1.191
1.215
1.239
V
Internal Oscillator Frequency
FOSC
600
kHz
Maximum Duty Cycle
DMAX
80
%
Voltage Gain of Error Amplifier
AV
1500
V/V
Transconductance of EA
Gm
100
uA/V
Gate rising time
CGate=500pF
40
uA
Gate falling time
CGate=500pF
20
uA
Over Current Protection
VOCP
Threshold of OCP
170
mV
Slope Compensation Current
ISlope
40
uA
Under Voltage Protection
VUVP
1
V
Fault Trigger Duration
TFault
42
ms
SCP Threshold
VSCP
0.5
V
Hiccup Timer
580
ms



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