lp3203 Lowpower Semiconductor inc, lp3203 Datasheet - Page 4

• Manufacturer Part Number: lp3203
• Description: Pwm Step-down Dc/dc Convert
• Manufacturer: Lowpower Semiconductor inc

Electrical Characteristics
Parameter
Input Voltage Range
Quiescent Current
Shutdown Current
Reference Voltage
Adjustable Output Range
Output
Voltage
Accuracy
FB Input
Current
PMOSFET
RON
NMOSFET
RON
P-Channel
Current Limit
EN
Threshold
EN Leakage
Current
LP3203 – Ver. 1.0 Datasheet
(VIN = 3.6V, VOUT = 2.5V, VREF = 0.6V, L = 2.2µH, CIN= 4.7µF, COUT= 10µF, TA= 25°C, IMAX = 600mA
unless otherwise specified)
Adjustable
IFB
PRDS(ON)
NRDS(ON)
IP(LM)
VEN
VENL
Fixed
Dec.-2006
Symbol
VIN
IQ
ISHDN
VREF
VOUT
ΔVOUT
ΔVOUT
ΔVOUT
ΔVOUT
ΔVOUT
ΔVOUT
ΔVOUT
VFB =
VIN
IOUT =
200mA
IOUT =
200mA
VIN =2.2
to 5.5V
Preliminary Datasheet
Test Conditions
IOUT = 0mA, VFB = VREF + 5%
EN = GND
For adjustable output voltage
VIN = 2.2 to 5.5V, VOUT = 1.2V 0A <
IOUT < 600mA
VIN = 2.2 to 5.5V, VOUT = 1.5V 0A <
IOUT < 600mA
VIN = 2.2 to 5.5V, VOUT = 1.8V 0A <
IOUT < 600mA
VIN = 2.8 to 5.5V, VOUT = 2.5V 0A <
IOUT < 600mA
VIN = 3.5 to 5.5V, VOUT = 3.3V 0A <
IOUT < 600mA
VIN = VOUT + 0.2V to 5.5V, VIN ≧
3.5V 0A < IOUT < 600mA
VIN = VOUT + 0.4V to 5.5V, VIN ≧
2.2V 0A < IOUT < 600mA
VIN = 3.6V
VIN = 3.6V
Min
0.58
VREF
−3
−3
−3
−3
−3
−3
−3
-30
0.9
0.4
--
2.5
Typ
150
0.1
0.6
1
2
0.35
0.4
Page 4 of 10
LP3203
Max
5.5
200
1
0.62
VIN −
0.2
+3
+3
+3
+3
+3
+3
+3
30
0.58
1.5
1.5
Units
V
uA
uA
V
V
%
%
%
%
%
%
%
nA
Ω
Ω
A
V
uA