PAM3130
3A Low Voltage-Low Dropout CMOS Regulator
Electrical Characteristic
VIN =VO+0.5V, TA=25OC, CIN =4.7uF, CO=2.2uF, unless otherwise noted.
Parameters
Symbol Test Conditions
MIN
TYP
MAX
UNITS
Input Voltage Range
Output Voltage
Accuracy
VIN
Note 1
3.6
V
Vo
Io=100mA
IO=500mA
-2
2
%
Vo=0.9V
330
220
50
500
400
200
150
Vo=1.0V
2.5V>Vo≥1.2V
Vo≥2.5V
40
Dropout Voltage
VDROP
mV
Vo=0.9V
500
400
350
300
1.0
Vo=1.0V
IO=3.0A
2.5V>Vo≥1.2V
Vo≥2.5V
Short Circuit Current
Output Current
ISC
IO
Vo < 0.3V
Io=0mA
A
A
3.0
Note 2
150
Quiescent Current
Ground Pin Current
IQ
90
uA
mA
IGND
Io=1mA to 3.0A
1.0
Vo≤2.5V,Io=10mA
VIN =Vo+0.5V to Vo+1.5V
Vo>2.5V,Io=10mA
Line Regulation
LNR
0.5
1.0
2
%/V
VIN =3.3V to 3.6V
Load Regulation
Over Temperature
Shutdown
LDR
OTS
Io=1mA to 3.0A,VIN=Vo+0.5V
0.5
%/A
150
℃
Over Temperature
Hysteresis
OTH
TC
50
℃
Temperature Coefficient
40
55
55
35
40
ppm/℃
f=100Hz
Power Supply Ripple
Rejection
PSRR
Io=100mA, Vo=1.5V
f=10Hz to 100kHz
dB
f=1KHz
f=10KHz
Output Noise
Vn
uVrms
Note1: The minimum input voltage (VIN(MIN)) of the PAM3130 is determined by output voltage and dropout
voltage. The minimum input voltage is defined as:
VIN(MIN)=VO+Vdrop
Note 2: Output current is limited by PD, maximum IO=PD/(VIN(MAX)-VO).
Power Analog Microelectronics,Inc
www.poweranalog.com
08/2007
5
PAM [ POWER ANALOG MICOELECTRONICS ]
