Data Sheet

PAM2401
Document number: DS37285 Rev. 1 - 2
4 of 10
www.diodes.com
May 2014
© Diodes Incorporated
PAM2401
NEW PRODUCT
A
Product Line o
f
Diodes Incorporated
Electrical Characteristics (T
A
= +25°C, V
IN
= 3.3V, V
OUT
= 5V, L = 2.2µH, unless otherwise noted.)
PARAMETER SYMBOL Test Conditions Min Typ Max Units
Input Voltage Range
V
IN
No load, V
O
= 5V
0.9 4.75 V
I
O
=1A , V
O
= 5V
2.7 4.75
Minimum Startup Voltage
V
STARTUP
I
O
= 0.1A, V
O
= 3.3V
1 V
Shutdown Supply Current
I
SD
0.1 1 µA
Quiescent Current Iq
No load, switching (measured with
external feedback); V
O
= 5V
150 µA
Oscillator Frequency
f
OSC
0.8 1 1.2 MHz
Maximum Duty Cycle
D
MAX
87.5 %
Output-Voltage Adjust Range
V
O
2.5 5 V
FB Regulation Voltage
V
FB
No Load 0.588 0.6 0.612 V
Load Regulation LDR
I
OUT
= 1mA to 1000mA
2.5 %
Line Regulation LNR
V
O
= 2.5V to 4.75V, I
O
= 0.5A
0.3 %/V
Drain-Source On-State Resistance
R
DS(ON)
P MOSFET 150 250 mΩ
N MOSFET 100 170 mΩ
N-Channel Current Limit (Note)
I
LIMIT
R
SET
Floating or R
SET
> 200KΩ
3 A
R
SET
= 100KΩ
1.5 A
R
SET
= 66KΩ
1 A
Pre-charge Current I-Charge
V
OUT
+0.5V < V
IN
500 mA
Pre-charge Time T-Charge
V
OUT
+0.5V < V
IN
400 µs
SW Leakage Current ILSW 0.1 2 µA
Power Good Threshold VPG 92 %
EN Threshold High
V
H
V
IN
= 0.9V
0.8
V
V
H
V
IN
= 3.3V
1.5
EN Threshold Low
V
L
V
IN
> 1.2V
0.2 V
Over Temperature Threshold TOTSD 160 °C
Over Temperature Hysteresis THYS 50 °C
Note: N-Channel current limit is guaranteed by design.