Diodes PAM3131 - Manual (Page 4)

PAM3131
Document number: DSxxxxx Rev. 1 - 1
4 of 14
www.diodes.com
October 2012
© Diodes Incorporated
PAM3131
A Product Line of
Diodes Incorporated
Electrical Characteristics
(@T
A
= +25°C, V
IN
= V
O
+1V, C
IN
= 4.7µF, C
O
= 4.7µF, unless otherwise specified.)
Parameter Symbol Test Conditions Min Typ Max Units
Input Voltage Range V IN
Note 1 3.6 V
ADJ Reference Voltage V REF I O = 100mA 0.882 0.900 0.918 V
Dropout Voltage V
DROP
I
O
= 500mA
V O = 0.9V 330 500
mV
V O = 1.0V 220 400
2.5V > V
O
≥ 1.2V 50 200
V
O
≥ 2.5V 40 150
I
O
= 3.0A
V
O
= 0.9V 500
V
O
= 1.0V 400
2.5V > V
O
≥ 1.2V 350
V
O
≥ 2.5V 300
Short Circuit Current I
SC
V
O
< 0.3V 1.0 A
Output Current I
O
3.0 Note 2 A
Quiescent Current I
Q
I
O
= 0mA 90 150 µA
Ground Pin Current I
GND
V
O
> 0.8V 1.0 mA
Line Regulation LNR
V
O
≤ 2.5V, I
O
= 10mA
V
IN
= V
O
+0.5V to V
O
+1.5V
0.2 1.0 %/V
V
O
> 2.5V, I
O
= 10mA
V IN = 3.3V to 3.6V
Load Regulation LDR I
O
= 1mA to 3.0A, V
IN
= V
O
+0.5A 0.5 2 %/A
Over Temperature Shutdown OTS 150 °C
Over Temperature Hysteresis OTH 50 °C
Temperature Coefficient T
C
40 ppm/°C
Power Supply Ripple Rejection PSRR I
O
= 100mA, V
O
= 1.5V
f = 100Hz 64
dB
f = 1kHz 58
Output Noise Vn f = 10Hz to 100kHz 40 µV RMS
Notes: 1. The minimum input voltage ( ) of the PAM3131 is determined by output voltage and dropout voltage. The minimum input voltage is defined as:
2. Output current is limited by P
D
, maximum I
O
= P
D
/(V
IN(MAX)
-V
O
).