Diodes PAM3108 - Manual (Page 4)

PAM3108
Document number: DSxxxxx Rev. 1 - 0
4 of 11
www.diodes.com
October 2012
© Diodes Incorporated
PAM3108
A Product Line of
Diodes Incorporated
Electrical Characteristics
(@T
A
= +25°C, V
IN
= V
O
+0.5V, V
CTRL
= V
EN
= 5V, C
IN
= C
O
= 10µF, unless otherwise specified.)
Parameter Symbol Test Conditions Min Typ Max Units
VIN Input Voltage V
IN
V
OUT
= V
REF
1.1 5.5 V
CTRL Input Voltage V
CTRL
3 5.5 V
POR Threshold
V
TH_CTRL
2.5 2.7
V
V
TH_
V
IN
0.8 0.9
POR Hysteresis
V
YHS_CTRL
0.4
V
YHS_
V
IN
0.5
Quiescent Current I
Q
I
O
= 0mA 0.5 1.2 mA
CTRL Input Current in Shutdown I
SD_CTRL
V
EN
= 0V 5 µA
CTRL Input Current in Shutdown I
SD_
V
IN
V
EN
= 0V 1 µA
Output Voltage Accuracy V
O
I
O
= 1mA to 1.5A -1.5 1.5 %
Current Limit I
O
3 A
Short Current I
SHORT
V
O
= 0V 1 A
Feedback Voltage V
REF
V
O
= V
REF
0.788 0.8 0.812 V
Feedback Leakage Current I
REF
20 nA
Dropout Voltage V
DROP
I
O
= 1A 100
mV
I
O
= 1.5A 150
Line Regulation LNR I
O
= 1mA, V
IN
= V
O
=0.5V to 5.5V -0.15 0.1 0.15 %/V
Load Regulation LDR V
IN
= V
O
+1V, I
O
= 1mA to 1.5A -2.0 +0.2 +2.0 %
VOUT Pull Low Resistor R
PL
V
EN
= 0V 100 Ω
Temperature Coefficient T
C
I
O
= 1mA 40 ppm/°C
Over Temperature Shutdown OTS I
O
= 1mA 170 °C
Over Temperature Hysteresis OTH I
O
= 1mA 40 °C
Power Supply Ripple Rejection PSRR V
PP
= 200mV
f = 100Hz 65
dB
f = 1kHz 60
EN Bias Current I
EN
V
EN
= VCTRL = 5V 5 µA
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
POK Threshold Voltage V
TH_OK
V
REF
Rising 90 94 %
POK Hysteresis 3 10 %
POK Pull_Low Voltage POK sinks 5mA Current 0.2 0.4 V
POK Delay Time T
DELAY
From V
REF
= V
TY_OK
to rising edge of the V
POK
1 2 4 mS
Notes: 1. Output current is limited by P D , maximum I O = P D /(V IN(MAX) – V O ).