PAM3131 Datasheet, PDF (5/14 Pages) Power Analog Micoelectronics – 3A Adjustable Low Voltage Low Dropout CMOS Regulator

PAM3131
3A Adjustable Low Voltage
Low Dropout CMOS Regulator
Electrical Characteristic
V_IN =V_O+0.5V, T_A=25 ^OC, C_IN =4.7μF, C_O=2.2μF, unless otherwise noted.
Parameters
Input Voltage Range
ADJ Reference Voltage
Symbol
V_IN
Vref
Dropout Voltage
V_DROP
Short Circuit Current
I_SC
Output Current
I_O
Quiescent Current
I_Q
Ground Pin Current
I_GND
Line Regulation
LNR
Load Regulation
LDR
Over Temperature
Shutdown
OTS
Over Temperature
Hysteresis
OTH
Temperature Coefficient TC
Power Supply Ripple
Rejection
PSRR
Output Noise
Vn
Test Conditions
Io=100mA
I_O=500mA
I_O=3.0A
Vo < 0.3V
Vo=0.9V
Vo=1.0V
2.5V>Vo³ 1.2V
Vo³ 2.5V
Vo=0.9V
Vo=1.0V
2.5V>Vo³ 1.2V
Vo³ 2.5V
Io=0mA
Io=1mA to 3.0A
Vo£ 2.5V,Io=10mA
V_IN =Vo+0.5V to Vo+1.5V
Vo>2.5V,Io=10mA
V_IN =3.3V to 3.6V
Io=1mA to 3.0A,V_IN=Vo+0.5V
f=100Hz
Io=100mA, Vo=1.5V
f=1kHz
f=10Hz to 100kHz
MIN
Note 1
0.882
3.0
TYP MAX UNITS
3.6
V
0.9 0.918
V
330
500
220
400
50
200
40
150
mV
500
400
350
300
1.0
A
Note 2 A
90
150
µA
1.0
mA
0.2
1.0
%/V
0.5
2
%/A
150
°C
50
°C
40
ppm/°C
64
dB
58
40
µVrms
Note1: The minimum input voltage (V ) _IN(MIN) of the PAM3131 is determined by output voltage and dropout
voltage. The minimum input voltage is defined as:
V =V +V _IN(MIN)
O
drop
Note 2: Output current is limited by P_D, maximum I_O=P_D/(V_IN(M - _AX) V_O).
Power Analog Microelectronics,Inc
www.poweranalog.com
5
10/2010 Rev1.1