Diodes PAM3103 - Manual (Page 3)

PAM3103
Document number: DSxxxxx Rev. 1 - 5
3 of 11
www.diodes.com
July 2013
© Diodes Incorporated
PAM3103
A Product Line of
Diodes Incorporated
Recommended Operating Conditions
(@T
A
= +25°C, unless otherwise specified.)
Parameter Rating Unit
Supply Voltage Range 2.5 to 5.5 V
Junction Temperature -40 to +125
°C
Operation Temperature -40 to +85
Thermal Information
Parameter Symbol Package Max Unit
Thermal Resistance Junction to Case) θ
JC
TSOT25 130
°C/W
SOT353(SC70-5) TBD
Thermal Resistance (Junction to Ambient) θ
JA
TSOT25 250
SOT353(SC70-5) 300
Internal Power Dissipation P D
TSOT25 400
mW
SOT353(SC70-5) 300
Electrical Characteristics
(@T A = +25°C, V IN = 4V, V O = 3V, C IN = 1µF, C O = 2.2µF, unless otherwise specified.)
Parameter Symbol Test Conditions Min Typ Max Units
Input Voltage V
IN
Note 1 5.5 V
Output Voltage V
O
1.2 5 V
Reference Voltage V
REF
1.235 V
Output Voltage Accuracy V
O
I
O
= 1mA -2 2 %
Output Current I O
300 Note 2 mA
Short Circuit Current I SC V O = 0V 150 mA
Dropout Voltage V DROP I O = 300mA
2.5V ≤ V
O < 3.3V 370 450
mV
V O
≥ 3.3V 180 230
Ground Current I GND I O = 1mA to 300mA 70 90 µA
Quiescent Current I Q I O = 0mA 65 90 µA
Line Regulation LNR I O = 1mA, V IN = 3V to 5V -0.4 0.2 0.4 %/V
Load Regulation LDR I
O
= 1mA to 300mA -1 0.2 1 %
Temperature Coefficient T
C
40 Ppm/°C
Over Temperature Shutdown OTS I
O
= 1mA 150 °C
Over Temperature Hysteresis OTH I
O
= 1mA 30 °C
Power Supply Ripple Rejection PSRR I
O
= 100mA, V
O
= 1.2V
f = 100Hz 67 dB
f = 1kHz 65 dB
f = 10kHz 42 dB
Output Noise V N
f = 10Hz to 100kHz 50 µV RMS
EN Input High Threshold V IH V IN 2.5V to 5V 1.5 V
EN Input Low Threshold V IL V IN 2.5V to 5V 0.3 V
Shutdown Current I SD V EN = 0V 0.01 1 µA
Notes: 1. The minimym inout voltage (V
IN(MIN
) of the PAM3103 is determined by output voltage and dropout voltage. The minimum input voltage is defined as:
V
IN(MIN)
= V
O
+V
DROP
V
IN(MIN)
= 2.5V
2. Output current is limited by P
D
, maximum I
O
= P
D
/(V
IN(MAX)
– V
O
).