Diodes PAM2319 - Manual (Page 5)

PAM2319
Document number: DSxxxxx Rev. 1 - 1
5 of 12
www.diodes.com
November 2012
© Diodes Incorporated
PAM2319
A Product Line of
Diodes Incorporated
Electrical Characteristics
(@T
A
= +25°C, V
IN
= 3.3V, V
O
= 1.2V, C
IN
= 10µF, C
O
= 10µF, L = 1µH, unless otherwise specified.)
Channel 2
Parameter Symbol Test Conditions Min Typ Max Units
Input Voltage Range V
IN
2.7 5.5 V
UVLO Threshold V
UVLO
V
IN
Rising 2.6 2.7 V
Hysteresis 250 mV
V
IN
Falling 12 V
Regulated Feedback Voltage V
FB
0.588 0.600 0.612 V
Reference Voltage Line Regulation ∆V
FB
0.3 %/V
Regulated Output Voltage Accuracy V
O
I
O
= 100mA -3 +3 %
Peak Inductor Current I
PK
V
O
= 90% 3 A
Output Voltage Line Regulation LNR V
IN
= 2.7V to 5V, I
O
= 10mA 0.2 0.5 %/V
Output Voltage Load Regulation LDR I
O
= 1mA to 1000mA -2 +2 %
Quiescent Current I
Q
No Load 55 100 µA
Shutdown Current I
SD
V
EN
= 0V 0.1 1.0 µA
Oscillator Frequency f
OSC
V
O
= 100% 2.5 MHz
Drain-Source On-State Resisitance R
DS(ON)
P MOSFET 0.11 Ω
N MOSFET 0.85 Ω
SW Leakage Current ILSW ±0.01 1 µA
Efficiency η Output1, I
O
= 500mA, V
IN
= 3.3V 87 %
PSM Threshold I
TH
V
IN
= 3.3V 250 450 mA
EN Threshold High V
EH
1.5 V
EN Threshold Low V
EL
0.3 V
EN Leakage Current I
EN
±0.01 µA
Soft-Start T
ON
From EN1 to Output 250 ms
Over Temperature Protection OTP 150 °C
OTP Hysteresis OTH 30 °C