PAM2310 Datasheet, PDF (4/11 Pages) Power Analog Micoelectronics – 2A Low Noise Step-Down DC-DC Converter

PAM2310
2A Low Noise Step-Down DC-DC Converter
Electrical Characteristic
T_A =25°C , Vin=5.0V, Vo=1.8V, Cin=22uF,Co=22uF, L=2.2uH, unless otherwise noted.
PARAMETER
SYM BOL
Test Co nditions
MIN TYP
Input Voltage Range
VIN
2.7
Output Voltage Range
V_O
0.6
Regulated Output Voltage Accuary
V_O
I_O = 0 to 2A,V_IN=2.7V to 5.5V
-2
Regulated Feedback Voltage
FB Leak age Current
Output Voltage Line Regulation
V_{F B}
I_FB
LNR
V_O= 1 V
VIN = 2.7V t o 5V
0.588 0.6
0.2
Output Voltage Load Regulation
LDR IO=0A to 2A
0.5
Quies cent Current
Shutdown C urrent
Peak Inductor Current
IQ
No load
I_SD
V_{E N} = 0V
ILIM
42
3
Oscillator Frequency
fOS C
1.5
High Side
90
Drain-Source On-State Res istance RDS( ON) Isw=100mA
Low Side
70
Start up Time
tS
From enable to output regulation
0.5
EN Threshold High
VEH
1.5
EN Threshold Low
EN Leakage Current
Over T emperature Protection
V_{E L}
I_EN
OTP
V_IN=V_EN = 0V
- 1.0
150
OTP Hysteresis
OT H
30
M AX
5.5
V_IN
+2
0.612
0.2
90
1
0.3
1.0
UNITS
V
V
%
V
µA
%/V
%/A
µA
µA
A
MH z
mΩ
mΩ
ms
V
V
µA
°C
°C
Power Analog Microelectronics, Inc
www.poweranalog.com
4
05/2011 Rev1.0