LP3311S Datasheet, PDF (3/7 Pages) Lowpower Semiconductor inc – 1MHz Fixed-Frequency PWM Operation

Preliminary Datasheet
LP3311S
Absolute Maximum Ratings
Supply Input Voltage---------------------------------------------------------------------------------------------------−0.3V to 6.0V
SW Input Voltage --------------------------------------------------------------------------------------------------------−0.3V to 43V
The Other Pins ----------------------------------------------------------------------------------------------------------−0.3V to 5.5V
Power Dissipation, PD @ TA = 25°C TSOT-23-5/6-----------------------------------------------------------------------0.455W
Lead Temperature (Soldering, 10 sec.) -------------------------------------------------------------------------------- 260°C
Operation Temperature Range ---------------------------------------------------------------------------------−40°C to 80°C
Storage Temperature Range ----------------------------------------------------------------------------------------−65°C to 150°C
Electrical Characteristics
Parameter
System Supply Input
Operation voltage Range
Under Voltage Lock Out
Supply Current
Shut Down Current
Line Regulation
Oscillator
Operation Frequency
Maximum Duty Cycle
Feedback Voltage
MOSFET
On Resistance of MOSFET
SW Current Limit
Protection
OVP Threshold
OVP Sink Current
Shut Down Voltage
Enable on Voltage
Symbol
Test Condition
VDD
VDD
IDD
IDD
FB=0.2V, Switch
VEN < 0.4V
VIN : 3.0~4.3V
FOSC
LP3311S
RDS(ON)
ILM
VOVP
VEN
VEN
Min Typ. Max Units
2.7
5.5
V
2.2
2.4 2.6
V
430 550 uA
0.1
1
uA
2
%
0.8
1
1.2 MHz
93
%
185 200 215 mV
0.5
Ω
1
A
29
V
5
μA
0.4
V
1.4
V
LP3311s – 02 Version 2.0 Datasheet May.-2013
www.lowpowersemi.com
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