LP6223 Datasheet, PDF (3/6 Pages) Lowpower Semiconductor inc – Output to Input Disconnect at Shutdown Mode

Preliminary Datasheet
LP6223
Absolute Maximum Ratings
Supply Input Voltage---------------------------------------------------------------------------------------------------------------6V
Power Dissipation, PD @ TA = 25°C
SOT23-6----------------------------------------------------------------------------------------------------------450mW
Package Thermal Resistance
SOT23-6, θJA ---------------------------------------------------------------------------------------------------------------165°C/W
Lead Temperature (Soldering, 10 sec.) ----------------------------------------------------------------------------------260°C
Recommended Operating Conditions
Supply Input Voltage-------------------------------------------------------------------------------------------------2.2V to 6V
EN Input Voltage -------------------------------------------------------------------------------------------------------0V to 5.5V
Operation Junction Temperature Range ------------------------------------------------------------------−40°C to 125°C
Operation Ambient TemperatureRange----------------------------------------------------------------------−40°C to 85°C
Electrical Characteristics
(Vin=2.4V,Vout=3.5V,Cin=10uF,Cout=22uF,L1=2.2uH,R1=178K,R2=100K)
Parameter
Conditions
LP6223
Units
Supply Voltage
Min Typ Max
1.6
6
V
Output Voltage Range
2.5
28 V
Supply Current(Shutdown) VEN=VOUT=0V,VSW=5V
0.05 1 uA
Supply Current
VFB=0.7V
0.19
mA
Feedback Voltage
0.6
V
Feedback Input Current
VFB=0.7V
50
nA
Switching Frequency
1.10
MHz
Maximum Duty Cycle
80 90 95 %
EN Input Low Voltage
EN Input High Voltage
0.4 V
1.4
V
High-side On Resistance
Vout=3.3V
300
Mosfet Voltage
28
V
Mosfet Current
1.5
A
LP6223 –00 Version 1.0 Datasheet Jul.-2013
www.lowpowersemi.com - -
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