Diodes PAM2321 - Manual (Page 4)

PAM2321
Document number: DSxxxxx Rev. 2 - 1
4 of 11
www.diodes.com
January 2013
© Diodes Incorporated
PAM2321
A Product Line of
Diodes Incorporated
Electrical Characteristics
(@T
A
= +25°C, V
IN
= 3.3V, V
OUT
= 1.2V, C
IN
= 10µF, C
O
= 10µF, L = 0.47µH, unless otherwise specified.)
Parameter Symbol Test Conditions Min Typ Max Units
Input Voltage Range V
IN
2.7 3.3 5.5 V
UVLO Threshold V
UVLO
V
IN
Rising 2.6 2.7 V
Hysteresis 250 mV
V
IN
Falling 2 V
Output Voltage Range V
OUT
1 1.2 V
IN
V
Output Voltage Accuracy V
OUT
I
O
= 0mA -3.0 +3.0 %
Regulated Feedback Voltage V
FB
No Load 0.588 0.600 0.612 V
PMOS Current Limit I
LIM
3.0 A
Output Voltage Line Regulation LNR V
IN
= 3.3V to 4V 0.3 %/V
Output Voltage Load Regulation LDR I
O
= 1mA to 2A 1 %/A
Quiescent Current I
Q
No Load 55 90 µA
Shutdown Current I
SD
V
EN
= 0V 1 µA
Oscillator Frequency f
OSC
3 MHz
Drain-Source On-State Resisitance R
DS(ON)
I
DS
= 100mA
P MOSFET 130 mΩ
N MOSFET 90 mΩ
SW Leakage Current I
LSW
1 µA
Start-Up Time t
S
V
IN
= 3.3V, V
O
= 1.2V 200 µs
PSM Threshold I
TH
200 mA
EN Threshold High V
EH
1.4 V
EN Threshold Low V
EL
0.4 V
EN Leakage Current I
EN
±0.01 µA
Over Temperature Protection OTP 150 °C
OTP Hysteresis OTH 30 °C