PAM3101_13 Datasheet, PDF (5/26 Pages) Power Analog Micoelectronics – 300mA High PSRR Low Dropout CMOS Linear Regulator

PAM3101
300mA High PSRR Low Dropout CMOS Linear Regulator
Electrical Characteristic
V_IN= V_O+1V, T_A= 25°C, C_IN= 1μF, C_O= 2.2μF, unless otherwise noted
PARAMETER
SYMBOL Test Conditions
Input Voltage
Output Voltage Accuracy
V_IN
Vo Io=1mA
Output Current
I_O
Vo=1.5V
Dropout Voltage
V_drop
Io =300mA
Vo=1.8V
2.5V£ Vo<3.3V
Vo³ 3.3V
Ground Current
Quiescent Current
I_GND Io=1mA to 300mA
I_Q
Io=0mA
Io=1mA, Vo<2V,
Line Regulation
LNR
V_IN = 2.8V to 3.8V
Io=1mA, 2V£ Vo<3.3V,
V_IN = Vo+0.5V to Vo+1V
Io=1mA, Vo³ 3.3V,
Load Regulation
LDR
V_IN=Vo+0.5V to Vo+1V
Io=1mA to 300mA, Vo³ 2V
Io=1mA to 300mA, Vo<2V
Temperature Coefficient
Tc
Io=1mA
Over Temperature Shutdown
OTS Io=1mA
Over Temperature Hysteresis
OTH Io=1mA
Io=100mA f=100Hz
Power Supply Ripple Rejection
PSRR
C_BYP=10nF
Vo=3.3V
f=1kHz
Output Noise
EN Input High Threshold
EN Input Low Threshold
Shutdown Current
Vn
f =10Hz to 100kHz, C_BYP=10nF
V_IH
V_IN=2.5V to 5V
V_IL
V_IN=2.5V to 5V
I_SD
V_EN=0V
MIN TYP
Note 1
-2
300
1150
850
370
180
70
65
-0.15 0.1
-0.1 0.03
-0.4 0.2
-2
1
30
40
150
30
70
65
50
1.5
0.01
MAX UNITS
5.5
V
2
%
Note 2 mA
1400
1100
mV
450
230
90
µA
90
µA
0.15
0.1 %/V
0.4
2
%
60
mV
ppm/ ^OC
O_C
O_C
dB
µVrms
V
0.3
V
1
µA
Note1: The minimum input voltage (V ) _IN(MIN) of the PAM3101 is determined by output voltage and dropout
voltage. The minimum input voltage is defined as:
V =V +V _IN(MIN)
O
drop
V _{IN (MIN )}≥2 . 5 V
Note 2: Output current is limited by P_D, maximum I_O=P_D/(V_IN(MAX)-V_O).
Power Analog Microelectronics,Inc
www.poweranalog.com
5
11/2010 Rev 2.5