lp3303 Lowpower Semiconductor inc, lp3303 Datasheet - Page 3

• Manufacturer Part Number: lp3303
• Description: High Performance, Constant Current Switching Regulator For 9pcs White Led
• Manufacturer: Lowpower Semiconductor inc

Electrical Characteristics
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
LP3303 –03 Ver. 1.3 Datasheet
Parameter
Feb.-2009
V
V
I
I
F
LP3303
R
V
V
V
DD
DD
Symbol
OSC
DD
DD
OVP
EN
EN
DS(ON)
Preliminary Datasheet
FB=0V, Switch
V
V
EN
IN
: 3.0~4.3V
< 0.4V
Test Condition
Min
100
191
2.7
0.9
1.5
90
Typ
200
750
2.5
0.1
0.5
1.0
29
1
3
5
Max
10k
210
2.5
1.2
0.4
16
LP3303
1
Page 3 of 7
Units
MHz
mA
μA
mA
mV
uA
Hz
Ω
%
%
V
V
V
V
V