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LPS Marking, LP3220 Datasheet(PDF) 4 Page - Lowpower Semiconductor inc

Part # LP3220
Description  1.5MHz, 1.0A Step-Down Converter
PDF  12 Pages
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Manufacturer  POWER [Lowpower Semiconductor inc]
Direct Link  http://www.lowpowersemi.com
Logo POWER - Lowpower Semiconductor inc

LP3220 Datasheet(HTML) 4 Page - Lowpower Semiconductor inc

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LP3220-02
Jun.-2015
Email: marketing@lowpowersemi.com
www.lowpowersemi.com
Page 4 of 12
Preliminary Datasheet
LP3220
Electrical Characteristics
(L=1uH, CIN=10uF, COUT=10uF, VIN=VEN=5V, Typical values are TA=25℃ )
Symbol
Parameter
Condition
Min
Typ
Max
Units
VIN
Input Voltage
2.5
5.5
V
VOUT
Output Voltage Range
0.61
VIN
V
IQ
Quiescent Current
70
µA
ISHDN
Shutdown Current
EN=GND
1
µA
ILIM
P-Channel Current Limit
2
A
RDS(ON)_H
High-Side Switch On Resistance
300
mΩ
RDS(ON)_L
Low-Side Switch On Resistance
200
mΩ
ILX_LEAK
LX Leakage Current
VEN=0V,
VLX=0 or 5V, VIN=5V
1
µA
VFB
Feedback Threshold Voltage
Accuracy
0.588
0.6
0.612
V
IFB
FB Leakage Current
VFB=1.0V
30
nA
FOSC
Oscillator Frequency
1.5
MHz
tS
Startup Time
From Enable to Output
Regulation
110
µs
TSD
Over-Temperature Shutdown
Threshold
150
℃
VEN(L)
Enable Threshold Low
0.4
V
VEN(H)
Enable Threshold High
1.4
V
IEN
Input Low Current
VEN=5.0V
10
µA
Note: Output Voltage: VOUT=0.6×(1+R1/R2) Volts;



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