Owner manual

PAM3102
Document number: DSxxxxx Rev. 1 - 2
3 of 12
www.diodes.com
July 2013
© Diodes Incorporated
PAM3102
A
Product Line o
f
Diodes Incorporated
Recommended Operating Conditions (@T
A
= +25°C, unless otherwise specified.)
Parameter Rating Unit
Supply Voltage Range 5.5 V
Enable Input Resistance
0 to V
IN
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
TSOT26 130
°C/W
Thermal Resistance (Junction to Ambient)
θ
JA
TSOT26 250
Internal Power Dissipation
P
D
TSOT26 400 mW
Electrical Characteristics (@T
A
= +25°C, V
CE1
= V
CE2
= V
IN
= V
O
+1V, C
IN
= 2.2µF, 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
I
O
= 1mA
-2.0 +2.0 %
Dropout Voltage
V
DROP
V
O
= 1.8V, I
O
= 150mA
950
mV
V
O
= 2.5V, I
O
= 150mA
350
V
O
= 2.8V, I
O
= 150mA
180
Output Current
I
O
150 Note 2 mA
Current Limit
I
LIM
V
O
≥ 1.2V
200 mA
Quiescent Current
I
Q
I
O
= 0mA
175 250 µA
Ground Pin Current
I
GND
I
O
= 1mA to 150mA
200 250 µA
Shutdown Current
I
SD
V
CE1
= V
CE2
= 0V
0.1 1 µA
Short Circuit Current
I
SC
V
O
= 0V
150 mA
Line Regulation LNR
I
O
= 50mA, V
IN
= 3V to 4V V
O
= 1.8V
-0.15 0.1 0.15 %/V
I
O
= 50mA, V
IN
= 3.5V to 4.5V V
O
= 2.5V
I
O
= 50mA, V
IN
= 3.8V to 4.8V V
O
= 2.8V
Load Regulation LDR
V
IN
= 3.3V, I
O
= 1mA to 150mA
-2 1.0 2 %
Power Supply Ripple Rejection PSRR
I
O
= 50mA, V
O
= 1.8V
f = 100Hz 70 dB
f = 1kHz 63 dB
f = 10kHz 45 dB
Output Noise
V
N
f = 10Hz to 100kHz 35
µV
RMS
CE Input High Threshold
V
TH
1.5 V
CE Input Low Threshold
V
TL
0.3 V
CE Pull-Up Resistance
R
CE
1.7 5 15 MΩ
Temperature Coefficient TC 40 ppm/°C
Over Temperature Shutdown OTS
I
O
= 1mA
155 °C
Over Temperature Hysteresis OTH
I
O
= 1mA
40 °C
Notes: 1. The minimym inout voltage (V
IN(MIN
) of the PAM3102 is determined by output voltage and dropout voltage. The minimum input voltage is defined as:
V
IN(MIN)
= V
O
+V
DROP
2. Output current is limited by P
D
, maximum I
O
= P
D
/(V
IN(MAX)
– V
O
).