1.5A Low Voltage-Low Dropout CMOS Regulator
Electrical Characteristic
V
IN
= V
O
+0.5V, T
A
=25
O
C, C
IN
=4.7uF, C
O
=2.2uF, unless otherwise noted.
Parameters
Input Voltage Range
Output Voltage Accuracy
Symbol
V
IN
V
O
I
O
=100mA
Vo=0.9V
I
O
=500mA
Dropout Voltage
V
DROP
I
O
=1.5A
Vo=1.0V
2.5V>Vo≥1.2V
Vo≥2.5V
Vo=0.9V
Vo=1.0V
2.5V>Vo≥1.2V
Vo≥2.5V
Short Circuit Current
Quiescent Current
Ground Pin Current
I
SC
I
Q
I
GND
Vo < 0.3V
Io=0mA
Io=1mA to 1.5A
V
O
≤2.5V,Io=10mA
Line Regulation
LNR
V
IN
=Vo+0.5V to Vo+1.5V
V
O
>2.5V,I
O
=10mA
V
IN
=3.3V to 3.6V
Load Regulation
Over Temperature Shutdown
Over Temperature Hysteresis
Temperature Coefficient
Power Supply Ripple
Rejection
Output Noise
LDR
OTS
OTH
TC
PSRR
Vn
I
O
=100mA,
V
O
=1.5V
f=100Hz
f=1KHz
f=10KHz
I
O
=1mA to 1.5A
0.5
150
50
40
55
55
35
40
uVrms
dB
2
%/A
℃
℃
ppm/℃
0.5
1
%/V
Test Conditions
MIN
Note 1
-2
330
220
50
40
330
220
150
120
1.0
90
150
600
TYP
MAX
3.6
2
500
400
200
150
500
400
350
300
A
uA
uA
mV
UNITS
V
%
PAM3115
f=10Hz to 100kHz
Note1: The minimum input voltage (V
IN(MIN)
) of the PAM3115 is determined by output voltage and dropout
voltage. The minimum input voltage is defined as:
V
IN(MIN)
=V
O
+V
drop
Power Analog Microelectronics
,
Inc
www.poweranalog.com
08/2007
4
PAM [ POWER ANALOG MICOELECTRONICS ]
