LP3303 Datasheet, PDF (3/7 Pages) Lowpower Semiconductor inc – High Performance, Constant Current Switching Regulator For 9PCS White LED

Preliminary Datasheet
Electrical Characteristics
LP3303
Parameter
System Supply Input
Operation voltage Range
Under Voltage Lock Out
Supply Current
Shut Down Current
Line Regulation
Oscillator
Operation Frequency
Maximum Duty Cycle
Dimming Frequency
Feedback Voltage
MOSFET
On Resistance of MOSFET
Protection
OVP Threshold
OVP Sink Current
OCP
Shut Down Voltage
Enable Voltage
Symbol
Test Condition
VDD
VDD
IDD
FB=0V, Switch
IDD
VEN < 0.4V
VIN : 3.0~4.3V
FOSC
LP3303
RDS(ON)
VOVP
VEN
VEN
Min
Typ
Max Units
2.7
16
V
2.5
V
1
2.5 mA
0.1
1
uA
3
%
0.9
1.0
1.2 MHz
90
%
100
10k
Hz
191
200
210 mV
0.5
Ω
29
V
5
μA
750
mA
0.4
V
1.5
V
LP3303 –03 Ver. 1.3 Datasheet Feb.-2009
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