Diodes PAM2303 - Manual (Page 4)

PAM2303
Document number: DSxxxxx Rev. 1 - 2
4 of 14
www.diodes.com
November 2012
© Diodes Incorporated
PAM2303
A Product Line of
Diodes Incorporated
Electrical Characteristics
(@T
A
= +25°C, V
IN
= 3.6V, V
O
= 1.8V, C
IN
= 33µF, C
O
= 22µF, L = 2.2µH unless otherwise specified.)
Parameter Symbol Test Conditions Min Typ Max Units
Input Voltage Range V
IN
2.7 5.5 V
Output Voltage Range V
O
0.6 V
IN
V
UVLO Threshold V
UVLO
V
IN
Rising 2.4 2.5 V
Hysteresis 240 mV
V
IN
Falling 1.8 V
Regulated Output Voltage Accuracy V
O
I
O
= 0 to 3A -3 +3 %
Regulated Feedback Voltage V
FB
0.591 0.600 0.609 V
FB Leakage Current I
FB
V
O
= 1V -50 +50 nA
Output Voltage Line Regulation LNR V
IN
= 2.5V to 5V 0.2 %/V
Output Voltage Load Regulation LDR I
O
= 0A to 3A 0.5 %/A
Quiescent Current I
Q
No load 42 90 µA
Shutdown Current I
SD
V
EN
= 0V 1 µA
Current Limit I
LIM
4 A
Oscillator Frequency f
OSC
1.2 1.5 1.8 MHz
Drain-Source On-State Resistance R
DS(ON)
High Side 85
mΩ
Low Side 60
High Efficiency η 95 %
PSM Threshold I
TH
V
IN
= 3.3V, V
O
= 1.2V, L = 1µH 450 mA
Analog Soft Start Time t
S
From enable to output regulation 0.5 ms
EN Threshold High V
EH
1.5 V
EN Threshold Low V
EL
0.3 V
EN Leakage Current I
EN
V
IN
= V
EN
= 0V -1.0 +1.0 µA
Over Temperature Protection OTP 150 °C
OTP Hysteresis OTH 30 °C