lp3204 Lowpower Semiconductor inc, lp3204 Datasheet - Page 4

• Manufacturer Part Number: lp3204
• Description: Pwm Step-down Dc/dc Convert
• Manufacturer: Lowpower Semiconductor inc

Electrical Characteristics
(VIN = 3.6V, VOUT = 2.5V, VREF = 0.6V, L = 2.2µH, CIN= 4.7µF, COUT= 10µF, TA= 25°C, IMAX = 650mA unless
otherwise specified)
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
LP3204-datasheet Feb.-2006
Fix
Adjustable
IFB
PRDS(ON)
NRDS(ON)
IP(LM)
VEN
VENL
Symbol
VIN
IQ
ISHDN
VREF
VOUT
Δ
VOUT
Δ
VOUT
Δ
VOUT
Δ
VOUT
Δ
VOUT
Δ
VOUT
Δ
VOUT
VFB =
VIN
IOUT =
200mA
IOUT =
200mA
VIN =
2.2 to
5.5 V
Test Conditions
EN = GND
For adjustable output voltage
VIN = 2.2 to 5.5V, VOUT = 1.0V 0A <
IOUT < 600mA
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
IOUT = 0mA, VFB = VREF + 5%
4
-
4
Min
0.588
VREF
−3
−3
−3
−3
−3
−3
−3
−3
-30
1
0.3
2.5
--
Typ
270
0.1
0.6
1.2
1.0
1
0.16
0.19
LP3204
Max
6
370
1
0.612
VIN −
0.2
+3
+3
+3
+3
+3
+3
+3
+3
30
0.26
1.4
1.5
Units
V
μA
μA
V
V
%
%
%
%
%
%
%
%
nA
Ω
Ω
V
uA